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WON BIN IM's GROUP
Opto-Functional Materials and Energy Lab.
[광기능성 신소재 및 에너지저장 연구실]
새 홈페이지 주소: http://funmat.org
In press, or submitted (*corresponding author)
187. H. B. Cho, J. Y. Han, H. J. Kim, N. S. M. Viswanath, Y. M. Park, J. W. Min, S. W. Jang, H. Yang, and W. B. Im*, "Utilizing VO2 as a hole injection layer for efficient charge injection in quantum-dot light-emitting diodes enable high device performance", (submitted).
186. Y. J. Hong, S. Lee, S. Choi, D. Y. Kim, S. Moon, S.-H. Kim, J. Suk, W. B. Im, M. Wu, "Carbon-doped Graphitic Carbon nitride microspheres as a three-dimensional lithium host for Dendrite Suppression", (submitted).
185. K. W. Min, J H. Cho, Y. Jung, Y. M. Byun, W. B. Im, and H.-J. Kim, "Accelerated Life Testing of Glass Bottles Chemically Strengthened by Spray Coating", (submitted).
184. K. W. Min, J. H. Choi, Y. Jung, Y. M. Byun, W. B. Im, and H.-J. Kim, "Weibull Reliability and Mechanical Properties of Chemical Strengthened Lightweight Glass Containers using Spray Coating", (submitted).
183. H. Lee, J. Lee; W. B. Im, and W. J. Chung, "Modifying the Composition of Oxyfluoride Glass Ceramics Containing Eu2+-doped Nepheline and LaF3 Crystals for White LED", Opt. Mater., 2023 (accepted).
182. C. Jang, K. Kim, H.-W. Nho, S. M. Lee, H. Mubarok, J. H. Han, H. Kim, D. Lee, Y. Jang, M. H. Lee, O.-H. Kwon, S. K. Kwak, W. B. Im, and M. H. Song, and J. Park, " Synthesis of Thermally Stable and Highly Luminescent Cs5Cu3Cl6I2 Nanocrystals with Nonlinear Optical Response", Small, 2023 (accepted).
181. T. Samanta, N. S. M. Viswanath, S. W. Jang, J. W. Min, H. B. Cho, J. H. Han, and W. B. Im*, "Thermally Stable Self-Trapped Assisted Single Component White-Light from Pb-free Zero-dimensional Metal Halide Nanocrystals", Adv. Opt. Mater., 2023 (accepted).
180. Y. Jung, J. H. Choi, K. W. Min, Y. M. Byun, W. B. Im, and H.-J. Kim, "Interpretation of the asymmetric color and shape of brownish ring", (submitted).
179. K. W. Min, J. H. Choi, Y. Jung, Y. M. Byun, W. B. Im, and H.-J. Kim, "Study on the Errors of an Impact Strength Tester for Glass Containers", (submitted).
178. K. Kim, B. Kim, J. Baek, T. Kim, S. Kang, W. B. Im*, and J. Yoo, "Interlayer-spacing engineering in amine-intercalated MoS2 for efficient Al-ion batteries with long-term stability", (submitted).
177. J. H. Choi, W. B. Im, and H.-J. Kim, "Plasma resistant glass (PRG) for reducing particulate contamination during of the dry etching process in semiconductor manufacturing process: A review", Mater. Today Commun., 2023 (accepted).
176. N. H. Vu, V.-D. Dao, H. Ha, T. Vu, and W. B. Im, "Conflicting roles of F doping on electrochemical performance of layered-spinel Li1.2Mn0.75Ni0.25O2-zFz as cathode materials for Li-ion batteries", (submitted).
175. Y.-R. Jeon, D. Lee, H. B. Cho, B, Ku, W. B. Im*, and C. Choi, "Light-stimulated synaptic characteristics of photo synapstor using non-toxic Mn2+-based organic-inorganic hybrid halide perovskites", Ceram. Inter., 2023 (accepted).
174. J. Lee, H. Lee, U. KIM, W. J. Chung and W. B. Im*, "Flexible Remote Phosphor Color Converter based on Ultra-Thin Glass and CsPbBr3 Perovskite Nanocrystal Embedded Glass for Wide Color Gamut White LED", J. Mater. Chem. C, 2023 (accepted).
173. H. B. Cho, J. W. Min, H. J. Kim, N. S. M. Viswanath, T. Samanta, J. H. Han, Y. M. Park, S. W. Jang, and W. B. Im*, "Three-Dimensional Lead Halide Perovskites Embedded in Zero-Dimensional Lead Halide Perovskites: Synthesis, Stability, and Applications", ACS Appl. Electron. Mater., 2023 (accepted).
[2023 ~ present]
172. J. H. Han, T. Samanta, Y. M. Park, H. J. Kim, N. S. M. Viswanath, H. W. Kim, B. K. Cha, S. B. Cho, and W. B. Im*, “Highly Stable Zero-Dimensional Lead-Free Metal Halides for X-ray Imaging”, ACS Energy Lett., Vol. 8, pp. 545-552, 2023.
[2022]
171. Z. Yu, W. H. Jeong, K. Kang, H. Song, X. Shen, S. W. Lee, X. Fan, J. W. Jang, S. R. Ha, J. W. Min, J. H. Park, J. Han, E. D. Jung, M. H. Song, D. W. Chang, W. B. Im, S. H. Park, H. Choi, and B. R. Lee, "Polymer/Small-Molecule Binary-Blend Hole Transport Layer for Enhancing Charge Balance in Blue Perovskite Light Emitting Diodes", J. Mater. Chem. A, Vol. 10, pp. 13928-13935, 2022.
170. J. Choi, K. Song, W. B. Im*, and C. Ahn, "Enhanced Thermal and Electrical Properties of Hybrid Polymer Composites Containing Al2O3 Microspheres and Nanowires", Ceram. Inter., Vol. 48, pp. 32081-32088, 2022.
169. J. H. Han, T. Samanta, Y. M. Park, H. B. Cho, S. J. Hwang, S. W. Jang, J. W. Min, and W. B. Im*, "Effect of self-trapped excitons in the optical properties of manganese-alloyed hexagonal-phased metal halide perovskite", Chem. Eng. J., Vol. 450, p. 138325, 2022.
168. J. H. Han, N. S. M. Viswanath, Y. M. Park, H. B. Cho, S. W. Jang, J. W. Min, and W. B. Im*, "Zero-thermal-quenching layered metal halide perovskite", Chem. Mater., Vol. 34, No.12, pp. 5690–5697, 2022.
167. N. S. M. Viswanath, M.-H. Fang, H. T. Huu, J. H. Han, R.-S. Liu, and W. B. Im*, "Correlated Na+ Ion Migration Invokes Zero-Thermal-Quenching in a NASICON-Type Phosphor", Chem. Mater., Vol. 34, pp. 107-115, 2022.
166. K. W. Min, Y. Jung, J. H. Choi, J. Yoon, W. B. Im, H.-J. Kim, "Study on Plasma-resistant Characteristics of CaO-Al2O3-SiO2 Glass Layers Coated on Alumina", J. Korean Ceram. Soc., Vol. 59, pp. 86–93, 2022.
165. H. T. Huu, H. T. T. Le, T. H. Nguyen, L. N. Thi, V. Vo, and W. B. Im*, "One-pot Synthesis of SnS2 Nanosheets Supporting on g-C3N4 as High Capacity and Cycling-stable Anode for Sodium Ion Batteries", Int. J. Energy Res., Vol. 46, pp. 3233-3248, 2022.
164. H. J. Kim, S. Ji, G. K. Grandhi, H. B. Cho, G. G. Kim, Y. G. Park, Y. H. Kim, D. W. Choi, J. U. Park, and W. B. Im*, “Detection of the cracked tooth using mechanoluminescence phosphor with a stretchable photodetector array”, NPG Asia Mater., Vol. 14, p. 26, 2022.
[2021]
163. N. H. Vu, V.-D. Dao, and W. B. Im*, "Elucidating roles of cation disorder and spinel phase in high-capacity integrated spinel-layered cathodes", J. Power Sources, Vol. 507, p. 230315, 2021.
162. H.-J. Kang, J.-W. Park, H. J. Hwang, H. Kim, K.-S. Jang, H. J. Kim, W. B. Im,* and Y.-S. Jun, "Electrocatalytic and Stoichiometric Reactivity of 2D Layered Siloxene to Enable High-Energy-Dense Lithium-Sulfur Batteries", Carbon Energy, Vol. 3, pp. 976-990, 2021.
161. G. K. Grandhi, K. Mokurala, J. H. Han, H. B. Cho, J. Y. Han, and W. B. Im*, "Recent Advances and Challenges in Obtaining Stable CsPbX3 (X = Cl, Br, and I) Nanocrystals Toward White Light-Emitting Applications", ECS J. Solid State Sci. Technol., Vol. 10, p. 106001, 2021.
160. Y. H. Nam, K. Han, W. J. Chung, and W. B. Im*, "Double Encapsulation of CsPbBr3 Perovskite Nanocrystals with Inorganic Glasses for Robust Color Converters with Wide Color Gamut", ACS Appl. Nano Mater., Vol. 4, pp. 7072-7078, 2021.
159. M.-J. Kim, H.-J. Kang, H. Kim, J.-Y. Song, H. Hwang, K.-S. Jang, H. J. Kim, Y. S. Huh, W. B. Im*, and Y.-S. Jun, "Thick Free-Standing Electrode Based on Carbon-Carbon Nitride Microspheres with Large Mesopores for High-Energy-Density Lithium-Sulfur Batteries", Carbon Energy, Vol. 3, pp. 410-423, 2021.
158. J. Y. Hyun, K. Linganna, K. H. Kim, J. P. Kim, W. B. Im, and J. H. Choi, "Enhancement of luminescence efficiency of Y2O3 nanophosphor via core/shell structure", Nanomaterials, Vol. 11, p. 1563, 2021.
157. K. Han, J. Heo, W. B. Im, and W. J. Chung, "Cd-S-Se quantum dot embedded glasses with dual emissions for wide color gamut white LED", Int. J. Appl. Glass Sci., Vol. 12, pp. 415-423, 2021.
156. J. H. Choi, J. Yoon; Y. Jung, K. W. Min, W. B. Im, and H.-J. Kim, "Analysis of plasma etching resistance for commercial quartz glasses used in semiconductor apparatus in fluorocarbon plasma", Mater. Chem. Phys., Vol. 272, p. 125015, (submitted).
155. N. S. M. Viswanath, G. K. Grandhi, H. T. Huu, H. Choi, H. J. Kim, S. M. Kim, H. Y. Kim, C.-J. Park, and W. B. Im*, "Zero-Thermal-Quenching and Improved Chemical Stability for a UCr4C4-Type Phosphor via Crystal Site Engineering", Chem. Eng. J., Vol. 420, p. 127664, 2021.
154. H. T. Huu, N. H. Vu, H. Ha, J. Moon, H. Y. Kim, and W. B. Im,* "Sub-micro droplet reactors: Green synthesis of Li3VO4 anode materials for lithium ion batteries", Nat. Comumm., Vol. 12, p. 3081, 2021.
-. 신문보도자료 [아시아경제], [뉴스1] etc.
153. J. Jang, S. Ji, G. K. Grandhi, H. B. Cho, W. B. Im*, J.-U. Park, "Multimodal Integration of Flexible and High-resolution X-ray Detectors with Synchronous Mapping of Tactile Pressure", Adv. Mater., p. 2008539, 2021.
152. N. S. M. Viswanath, J. B. Cho, H. R. Byun, J. H. Han, S. Unithrattil, J. I. Jang, K. M. Ok, W. B. Im*, "Third-Order Nonlinear Optical Response-Driven Upconversion Phosphors", Adv. Opt. Mater., p. 2100549, 2021.
151. H. Lee, W. B. Im, and W. J. Chung, "Pr3+-doped oxyfluoride glass ceramic as a white LED color converter with wide color gamut", J. Lumin., Vol. 236, p. 118064, 2021.
150. H. T. Huu, H. T. T. Le, T. H. Nguyen, L. N. Thi, V. Vo, and W. B. Im*, "Facile Synthesis of SnS2@g-C3N4 Composites as High Performance Anodes for Lithium Ion Batteries", Appl. Surf. Sci., Vol. 549, p. 149312, 2021.
149. [Invited review paper] Y. H. Kim, J. Ha, and W. B. Im*, "Towards green synthesis of Mn4+-doped fluoride phosphors: A review”, J. Mater. Res. Technol., Vol. 11, pp. 181-195, 2021.
148. [Invited review paper] G. K. Grandhi, H. J. Kim, N. S. M. Viswanath, H. B. Cho, J. H. Han, S. M. Kim, and W. B. Im*, "Strategies for Improving Luminescence Efficiencies of Blue-Emitting Metal Halide Perovskites", J. Korean Ceram. Soc., Vol. 58, pp. 28–41, 2021.
147. J. H. In, H. S. Jang, H. J. Kim, W. J. Chung, and W. B. Im*, "Up-conversion phosphor plate for white lighting device using NIR excitation source", J. Am. Ceram. Soc., Vol. 104, pp. 877-885, 2021.
146. Y. H. Nam, W. J. Chung, and W. B. Im*, "Phosphor in glass using β-SiAlON:Eu2+, CaAlSiN3:Eu2+ and Nd-doped silicate glass for enhanced color gamut of white LED", J. Alloys Comp., Vol. 851, p. 156945, 2021.
145. N. H. Vu, H. T. T. Le, V. H. Hoang, V.-D. Dao, H. T. Huu, Y.-S. Jun, and W. B. Im*, "Highly N-doped, H-containing mesoporous carbon with modulated physicochemical properties as high-performance anode materials for Li-ion and Na-ion batteries", J. Alloys Comp., Vol.851, p. 156881, 2021.
[2020]
144. H. Kang, K. N. Lee, S. Unithrattil, H. J. Kim, J. H. Oh, J. S. Yoo, W. B. Im*, and Y. R. Do, "Narrow-band SrMgAl10O17:Eu2+, Mn2+ Green Phosphors for Wide-Color-Gamut Display Backlight", ACS Omega, Vol. 5, pp. 19516-19524, 2020.
143. G. K. Grandhi, N. S. M. Viswanath, H. B. Cho, J. H. Han, S. M. Kim, S. Choi, and W. B. Im*, "Mechanochemistry as a green route: Synthesis, thermal stability, and post-synthetic reversible phase transformation of highly-luminescent cesium copper halides", J. Phys. Chem. Lett., Vol. 11, pp. 7723-7729, 2020.
142. H. T. Huu and W. B. Im*, "A facile synthesis of pseudocapacitance contributed ultrahigh capacity Fe2(MoO4)3 as anode for lithium ion batteries", ACS Appl. Mater. Interfaces, Vol. 12, pp. 35152-35163, 2020.
141. H. Park, S. K. Choi. E. G. Lee, M. Wu, H. T. Huu, Y. Kang, D. Y. Kim, W. B. Im*, S. Choi, "Comparative electrochemical property of solvent-free ceramic/polymer hybrid electrolytes incorporating sol-gel prepared Li-phosphates, Li(Al,Ge)(PO4)3 and Li(Al,Ti)(PO4)3", J. Alloys Comp., Vol. 843, p. 155878, 2020.
140. Y. J. Yun, J.-K. Kim, S. Unithrattil, S. K. Choi, H. Park, D. W. Kim, S. S. Lee, H.-K. Jung, Y. Kang, W. B. Im*, and S. Choi, "Ant-cave-structured nanopore-embedded CoMn2O4 microspheres with stable electrochemical reaction for Li+-air battery" J. Electrochem. Soc., Vol. 167, p. 080537, 2020.
139. G. K. Grandhi, N. S. M. Viswanath, J. H. In, H. B. Cho, and W. B. Im*, "Robust, Brighter Red Emission from CsPbI3 Perovskite Nanocrystals via Endotaxial Protection", J. Phys. Chem. Lett., Vol. 11, pp. 3699-3704, 2020.
138. K.-N. Jung, J.-Y. Choi, H.-S. Shin, H. T. Huu, W. B. Im, and J. Lee, "Mg-doped Na[Ni1/3Fe1/3Mn1/3]O2 with enhanced cycle stability as a cathode material for sodium-ion batteries", Solid State Sci., Vol. 106, 106334, 2020.
137. N. H. Vu, V.-D. Dao, H. T. Huu, and W. B. Im*, "Effect of synthesis temperature on structure and electrochemical performance of spinel-layered Li1.33MnTiO4+z in Li-ion batteries", Energies, Vol. 13, p. 2962, 2020.
136. G. K. Grandhi, H. C. Manas Likhit, S. P. Ong, and W. B. Im*, "Jahn-Teller distortion-driven robust blue-light-emitting perovskite nanoplatelets", Appl. Mater. Today, Vol. 20, p. 100668, 2020
135. Y. H. Kim, H. J. Kim, S. P. Ong, Z. Wang, and W. B. Im*, "Cation-Size-Mismatch as a Design Principle for Enhancing the Efficiency of Garnet Phosphors", Chem. Mater., Vol. 32, pp. 3097-3108, 2020.
134. S. Han, S.-H. Yi, S. Park, W. B. Im*, and S. Chun, "Effect of Potential and Current on Electrodeposited MnO2 as a Pseudocapacitor Electrode: Surface Morphology/Chemistry and Stability", J. Alloys Comp., Vol. 831, p. 154138, 2020.
133. Y. H. Nam, K. Han, W. J. Chung, and W. B. Im*, "Color conversion properties of various thick-film phosphor-in-glasses depending on structural design for white LEDs", J. Am. Ceram. Soc., Vol. 103, pp. 4266-4274, 2020.
132. N. H. Vu, V.-D.Dao, H. N. Van, L. T. Huy, N. T. Quang, H. T. Huu, S. Choi, and W. B. Im*,"Spinel-layered Li2MnTiO4+z nanofibers as cathode materials for Li-ion batteries", Solid State Sci., Vol. 103, p. 106178, 2020.
131. H. J. Kim, S. Unithrattil, and W. B. Im*, "A new mechanoluminescence phosphor: Phase transition-assisted defect formation in a polymorphic composition", Ceram. Int., Vol. 46, pp. 12138-12144, 2020.
130. T.-H. Le, Y. Choi, S. Kim, E. Heo, U. Lee, E. Heo, S. Chae, W. B. Im*, and H. Yoon, "Highly elastic and >200% reversibly stretchable down-conversion white light-emitting diodes based on quantum dot gel emitters", Adv. Opt. Mater., p. 1901972, 2020.
129. M.-J. Kim, H.-J. Kang, T.-G. Lee, W. B. Im*, and Y.-S. Jun, "Rechargeable intermetallic calcium-lithium-O2 batteries", ChemSusChem, Vol. 13, pp. 574-581, 2020.
128. H. LEE, S. H. Lee, Y. G. Choi, W. B. Im, and W. J. Chung, "Eu2+ and Mn2+ co-doped oxyfluoride glass ceramic for white color conversion of 400 nm UV-LED", J. Lumin., Vol. 222, p. 117156, 2020.
127. J. Jang, H. Kim, S. Ji, H. Kim, M. S. Kang, T. S. Kim, J.-e. Won, C. Park, J.-H. Lee, J. Cheon, K. Kang, W. B. Im*, J.-U. Park, "Mechanoluminescent, air-dielectric MoS2 transistors as active-matrix pressure sensors for all detection ranges from footsteps to cellular motions", Nano Lett., Vol. 20, pp. 66-74, 2020.
126. I.-S. Son, Y. Oh, S.-H. Yi, W. B. Im*, and S.-E. Chun, "Facile Synthesis of Mesoporous Carbon from Mixed Precursor of PVDF and PTFE for High-Power Supercapacitors", Carbon, Vol. 159, pp. 283-291, 2020.
125. T.-H. Le, S. Kim, S. Chae, Y. Choi, C. S. Park, E. Heo, U. Lee, O. S. Kwon, W. B. Im*, and H. Yoon, "Zero-reduction luminescence and nonblinking property of aqueous-phase alloy core–shell quantum dots via ambient-condition ligand-exchange", J. Colloid Interface Sci, Vol. 564, pp. 88-98, 2020.
124. J. K. Kim, H. Park, S. S. Lee, S. U. Son, Y. Kang, W. B. Im*, and S. Choi, "Fishing net-shaped cobalt oxide microspheres as for the effective polysulfide reservoirs of rechargeable Li-S battery cathode", Mater. Chem. Phys., Vol. 243, p.122567, 2020.
123. N. S. M. Viswanath, G. K. Grandhi, H. J. Kim, Y. Zhuang, R.-J. Xie, and W. B. Im*, "A new persistent blue-emitting phosphor: Tailoring the trap density for enhancing the persistent time", Appl. Mater. Today, Vol. 18, p. 100518, 2020.
122. K. Bertschinger, H. Park, H. J. Kim, W. B. Im, S. Choi, and J. Y. Suh, "Energy Transfer between Eu2+ and Mn2+ for Single Emission Ba2Mg(BO3)2 and Dual Emission Na(Sr,Ba)PO4", J. Lumin., Vol. 220, p. 116958, 2020.
121. J. Ha, E. Novitskaya, N. Lam, M. Sanchez, Y. H. Kim, Z. Li, W. B. Im, O. A. Grave, J. McKittrick, "Synthesis of Na2SiF6 for Mn4+ activated red-emitting phosphor using an ionic liquid", J. Lumin., Vol. 218, p. 116835, 2020.
120. [Invited review paper] N. S. M. Viswanath, J. H. In, H. J. Kim, G. K. Grandhi, and W. B. Im*, "A promising Cs3CoCl5 prototype phosphor towards the discovery of next-generation LED phosphor", ECS J. Solid State Sci. Technol., Vol. 9, p.016016, 2020.
[2019]
119. G. K. Grandhi, N. S. M. Viswanath, H. B. Cho, S. M. Kim, and W. B. Im*, "Highly stable hetero-structured supercell, green-emitting cesium lead bromide by ligand-mediated phase control", Nanoscale, Vol. 11, pp. 21137-21146, 2019.
118. H.-J. Kang, Y. S. Huh, W. B. Im* and Y.-S. Jun, "Molecular Cooperative Assembly-mediated Synthesis of Ultra-high Performance Hard Carbon Anodes for All-organic Sodium Hybrid Capacitors", ACS Nano, Vol. 13, pp. 11935-11946, 2019.
117. N. S. M. Viswanath, P. Arunkumar, H. J. Kim, and W. B. Im*, "A nanosheet phosphor of double-layered perovskite with unusual intrananosheet site activator concentration", Chem. Eng. J., Vol. 373, p. 122044, 2019.
116. J. Ha, Y. H. Kim, E. Novitskay, M. Sanchez, O. A. Graeve, S. P. Ong, W. B. Im, J. McKittric, "Color tunable single-phase Eu2+ and Ce3+ co-activated Sr2LiAlO4 phosphors", J. Mater. Chem. C, Vol. 7, pp. 7734-7744, 2019.
115. S. Unithrattil, H. J. Kim, and W. B. Im*, "Phase formation and luminescence properties of ternary solid-solution among tetragonal systems", J. Alloys Comp., Vol. 798, pp. 635-643, 2019.
114. J. C. Im, N. H. Vu, H. H. Tran, D. S.-H. Lee, and W. B. Im*, "Effects of fluorine doping on electrochemical performance of spinel-layered Li3Mn3O7.5-xFx as cathode materials for Li-ion batteries”, J. Electrochem. Soc., Vol. 166, pp. A1568-A1573, 2019.
113. J. Y. Ju, S. Ji, J. K. Kim, S. K. Choi, S. Unithrattil, S. S. Lee, Y. Kang, Y. Kim, W. B. Im*, and S. Choi, "Rational design of electrochemically active polymorphic MnOx/rGO composites for Li+-rechargeable battery electrodes", Ceram. Int., Vol. 45, pp. 9522-9528, 2019.
112. K. Han, W. B. Im, J. Heo, W. J. Chung, "Compositional dependency of Cd‐S‐Se quantum dots within silicate glass on color conversion for a white LED", J. Am. Ceram. Soc., Vol. 102, pp. 1703-1709, 2019.
[2018]
111. J. Y. Ju, S. Ji, S. Unithrattil, S. S. Lee, Y. S. Kim, H.-K. Jung, Y. Kang, W. B. Im*, and S. Choi, "Comparative electrochemical study for the polymorphic MnOx/rGO composites derived from well-stacked MnO2/GO templates as for Li-rechargeable battery electrodes" Electrochim. Acta, Vol. 290, pp. 322-331, 2018.
110. P. Arunkumar, H. B. Cho, K. H. Gil, S. Unithrattil, Y. H. Kim, and W. B. Im*, "Probing molecule-like isolated octahedra – Phase stabilization of zero-dimensional cesium lead halide nanocrystals", Nat. Commun., Vol. 9, p. 4691, 2018.
-. 신문보도자료 [전자신문], [대학저널] etc.
109. T.-H. Le, Y. Choi, S. Noh, C. S. Park, H. Han, S. Kim, S. B. Chae, H. J. Kim, W. B. Im, T. H. Ha, O. S. Kwon, and H. Yoon, "Highly Luminescent Quantum Dots in Remote-Type Liquid-Phase Color Converters for White Light Emitting Diodes", Adv. Mater. Tech., 1800235, 2018.
108. Z. Wang, J. Ha, Y. H. Kim, W. B. Im*, J. McKittrick, and S. P. Ong, "Mining Unexplored Chemistries for Phosphors for High-Color-Quality White-Light-Emitting Diodes", Joule, Vol. 2, pp. 1-13, 2018.
-. 신문보도자료 [전자신문], [아시아경제] etc.
107. N. S. Waluyo, S.-S. Park, R.-H. Song, S.-B. Lee, T.-H. Lim, J.-E. Hong, K. H. Ryu, W. B. Im, J.-W. Lee, "Protective coating based on manganese–copper oxide for solid oxide fuel cell interconnects: Plasma spray coating and performance evaluation", Ceram. Int., Vol. 44, pp. 11576-11581, 2018.
106. N. H. Vu, J. C. Im, S. Unithrattil, and W. B. Im*, "Synergic coating and doping effects of Ti-modified integrated layered–spinel Li1.2Mn0.75Ni0.25O2+δ as a high capacity and long lifetime cathode material for Li-ion batteries", J. Mater. Chem. A, Vol. 6, pp. 2200-2211, 2018.
105. D. T. Ngo, H. T. T. Le, X.-M. Pham, J.-W. Jung, N. H. Vu, J. G. Fisher, W. B. Im, I.-D. Kim, and C.-J. Park, "Highly porous coral-like silicon particles synthesized by an ultra-simple and mass-scalable thermal-reduction method" J. Mater. Chem. A, Vol. 6, pp. 2834-2846, 2018.
104. J. K. Kim, J. Y. Ju, S. K. Choi, S. Unithrattil, S. S. Lee, Y. Kang, H.-K. Jung, Y. Kim, W. B. Im*, and S. Choi, "In-situ preparation of pore-embedding spherical CoO/Co3O4 inter-mixed compound for high performance Li+ rechargeable battery electrode materials", J. Power Sources, Vol. 378, pp. 562-570, 2018.
103. [Invited review paper] Y. H. Kim , N. S. M. Viswanath, S. Unithrattil, H. J. Kim, and W. B. Im*, "Phosphor plates for high-power LED applications: Challenges and opportunities towards perfect lighting", ECS J. Solid State Sci. Technol., Vol. 7, pp. R3134-R3147, 2018.
[2017]
102. S. Unithrattil, P. Arunkumar, Y. H. Kim, H. J. Kim, N. H. Vu, J. Heo, W. J. Chung, and W. B. Im*, "A phosphosilicate compound, NaCa3PSiO8: Structure solution and luminescence properties", Inorg. Chem., Vol. 56, pp. 15130–15137, 2017.
101. P. Arunkumar, K. H. Gil, S. Won, S. Unithrattil, Y. H. Kim, H. J. Kim, and W. B. Im*, "Colloidal organometal halide perovskite with a high Mn solubility limit: A step towards Pb-free luminescent quantum dots", J. Phys. Chem. Lett. Vol. 8, pp. 4161-4166, 2017.
100. [Invited paper] Y. H. Kim, B. Y. Kim, N. S. M. Viswanath, P. Arunkumar, and W. B. Im*, "Structural and optical properties of yellow-emitting CaGd2ZrSc(AlO4)3:Ce3+ phosphor for solid-state lighting" J. Korean Ceram. Soc., Vol. 54, pp. 422-428, 2017.
99. Y. H. Kim, P. Arunkumar, B. Y. Kim, S. Unithrattil, E. Kim, S.-H. Moon, J. Y. Hyun, K. H. Kim, D. Lee, J.-S. Lee, and W. B. Im*, "A zero-thermal-quenching phosphor", Nat. Mater., Vol. 16, pp. 543-550, 2017.
-. This paper was selected the cover image of issue on May 2017. [Click]
-. In the section of 'News and Views' in Nat. Mater., P. F. Semt and J. J. Joos highlighted our paper, with the title "White light-emitting diodes: Stabilizing colour and intensity". [Click]
-. 신문보도자료 [동아일보], [연합뉴스], [전자신문] etc.
98. S. Kim, H.-A. Park, W. B. Im, J. Heo, J.-Y. Choi, and W. J. Chung, "Low Sintering Temperature Glass Based on SiO2-P2O5-ZnO-B2O3-R2O System for White LEDs with High Color Rendering Index", J. Am. Ceram. Soc., Vol. 100, pp. 5186-5192, 2017.
97. N. H. Vu, P. Arunkumar, J. C. Im, C.-J. Park, and W. B. Im*, “Effect of synthesis temperature on the structural defects of integrated spinel-layered Li1.2Mn0.75Ni0.25O2+δ: A strategy to develop high-capacity cathode materials for Li-ion batteries”, J. Mater. Chem. A, Vol. 5, pp. 15730-15742, 2017.
96. S. Unithrattil, H. J. Kim, K. H. Gil, N. H. Vu, V. H. Hoang, Y. H. Kim, A. Paulraj, and W. B. Im*, "Engineering the lattice site occupancy of apatite-structure phosphors for effective broad-band emission through cation pairing", Inorg. Chem., Vol. 56, pp. 5696-5703, 2017.
95. N. H. Vu, S. Unithrattil, V. H. Hoang, S. Chun, and W. B. Im*, "Template-engaged synthesis of spinel-layered Li1.5MnTiO4+δ nanorods as cathodes for Li-ion batteries", J. Power Sources, Vol. 355, pp. 134-139, 2017.
94. K. Kim, S. Kim, J. Ryu, J. Jeon, S. G. Jang, H. Kim, D.-G. Gweon, W. B. Im, Y. Han, H. Kim, and S. Q. Choi, "Processable High Internal Phase Pickering Emulsions Using Depletion Attraction", Nat. Comm., Vol. 8, p. 14305, 2017.
93. S. H. Ahn, Y. H. Nam, K. Han, W. B. Im, K. Y. Cho, and W. J. Chung, "Phosphor-in-glass thick film for color tunable white LED with high luminous efficacy and color rendering index" J. Am. Ceram. Soc., Vol. 100, pp. 1280-1284, 2017.
92. N. H. Vu, P. Arunkumar, and W. B. Im*, "High-performance spinel-rich Li1.5MnTiO4+δ ultralong nanofibers cathode materials for Li-ion batteries", Sci. Rep., Vol. 7, p. 45579, 2017.
91. P. Arunkumar, Y. H. Kim, H. J. Kim, S. Unithrattil, and W. B. Im*, "Hydrophobic organic skin as a protecting shield for moisture-sensitive phosphor-based optoelectronic devices", ACS Appl. Mater. Interfaces, Vol. 9, pp. 7232-7240, 2017.
90. N. H. Vu, P. Arunkumar, J. C. Im, and W. B. Im*, "High capacity spinel@layered Li1.5MnTiO4+δ as thermally stable core-shell-driven cathode materials for Li-ion batteries", J. Alloys Comp., Vol. 704, pp. 459-468, 2017.
89. H. J. Kim, S. Unithrattil, Y. H. Kim, W. J. Chung, and W. B. Im*, "New melilite phosphor: Structural and spectroscopic analysis for application in white LEDs", RSC Adv., Vol. 7, pp. 2025-2032, 2017.
88. N. H. Vu, P. Arunkumar, S. Won, H. J. Kim, S. Unithrattil, Y. Oh, J.-W. Lee, and W. B. Im*, "The effect of Li content on the structure and electrochemical performance of Li1+zMnTiO4+δ as cathode for Li-ion batteries", Electrochim. Acta, Vol. 225, pp. 458-466, 2017.
[2016]
87. E. Kim, H. W. Shim, S. Unithrattil, Y. H. Kim, H. Choi, K.-J. Ahn, J. S. Kwak, S. Kim, H. Yoon, and W. B. Im*, "Effective Heat Dissipation from Color-Converting Plates in High-Power White LEDs by Transparent Graphene Wrapping", ACS Nano, Vol. 10, pp.238-245, 2016.
86. P. Arunkumar, W. J. Jeong, Seob Won, and W. B. Im*, "Improved electrochemical reversibility of over-lithiated layered Li2RuO3 cathodes: Understanding aliovalent Co3+ substitution with excess lithium", J. Power Sources, Vol. 324, pp. 428-438, 2016.
85. K. Han, S. H. Lee, Y. G. Choi, W. B. Im, and W. J. Chung, "Improved color rendering index and thermal stability of white LEDs with phosphor-in-glass using the SiO2-B2O3-ZnO-Na2O glass system", J. Non-cryst. Solids, Vol. 445-446, pp. 77-80, 2016.
84. S.-H. Moon, Y. H. Kim, D.-C. Kim, E.-C. Shin, D. Lee, W. B. Im, and J.-S. Lee. "Sodium ion transport in polymorphic scandium NASICON analog with new dielectric spectroscopy approach for current-constriction effects", Solid State Ionics, Vol. 279, pp. 55-71, 2016.
83. P. Arunkumar, Y. H. Kim, and W. B. Im*, "Versatile Ca4F2Si2O7 host from defect-induced host emission to white-emitting Ce3+ doped Ca4F2Si2O7 phosphor for near-UV solid-state lighting", J. Phys. Chem. C, Vol. 120, pp. 4495-4503, 2016.
82. E. Kim, S. Unithrattil, I. S. Sohn, S. J. Kim, W. J. Chung, and W. B. Im*, "Facile one-step fabrication of 2-layered and 4-quadrant type phosphor-in-glass plates for white LEDs: an insight into angle dependent luminescence", Opt. Mater. Express, Vol. 6, pp. 804-814, 2016.
81. Y. J. Yun, J. K. Kim, J. Y. Ju, S. Unithrattil, S. S. Lee, Y. Kang, H.-K. Jung, J.-S. Park, W. B. Im*, and S. Choi, "Morphology, Porosity and Surface Conductive Layer Optimized MnCo2O4 Microsphere as for Compatible Superior Li+ Ion/Air Rechargeable Battery Electrode Materials", Dalton Trans., Vol. 45, pp. 5064-5070, 2016.
80. K. Han, W. B. Im, J. Heo, and W. J. Chung, "Complete Inorganic Colour Converter Based on Quantum-Dot-Embedded Silicate Glasses for White Light-Emitting-Diodes", Chem. Comm. Vol. 52, pp. 3564-3567, 2016.
79. S. J. Kim, H. S. Jang, S. Unithrattil, Y. H. Kim, and W. B. Im*, "Structural and luminescent properties of red-emitting SrGe4O9:Mn4+ phosphors for white light-emitting diodes with high color rendering index", J. Lumin., Vol. 172, pp. 99-104, 2016.
78. S. J. Kim, H. S. Jang, S. Unithrattil, Y. H. Kim, and W. B. Im*, "Enhanced Optical Properties of Bredigite-structure Ca13.7Eu0.3Mg2[SiO4]8 Phosphor: Effective Eu Reduction by La Co-doping", J. Am. Ceram. Soc., Vol. 99, pp. 557-563, 2016.
[2015]
77. Z. Xia, M. S. Molokeev, W. B. Im*, S. Unithrattil, and Q. Liu, "Crystal structure and photoluminescence evolution of La5(Si2+xB1–x)(O13–xNx):Ce3+ solid solution phosphors", J. Phys. Chem. C, Vol. 119, pp. 9488-9495, 2015.
76. K. Han, Y. H. Kim, W. B. Im, W. J. Chung, "Film formation of CdSe quantum dot embedded phosphate glass on an FTO glass substrate", Electron. Mater. Lett., Vol. 4, pp. 670-674, 2015.
75. A. Kareem, P. Arunkumar, D. H. Kim, J.-W. Lee, and W. B. Im*, "Influence of Ti4+ on the electrochemical performance of Li-rich layered oxides - High power and long cycle life of Li2Ru1-xTixO3 cathodes", ACS Appl. Mater. Interfaces, Vol. 7, pp. 7118-7128, 2015.
74. H.-A Park, Y. K. Lee, W. B. Im, J. Heo, and W. J. Chung, "Phosphor in glass with Eu3+ and Pr3+-doped silicate glasses for LED color conversion", Opt. Mater., Vol. 41, pp. 67-70, 2015.
73. J. E. Lee, H. W. Shim, J. Huh, G. Sampath, K.-J. Ahn, W. B. Im, Y.-I. Huh, and H. Yoon, "Role of Co-Vapors in Vapor Deposition Polymerization", Sci Rep., Vol. 5, p. 8420, 2015.
72. Y. H. Kim, P. Arunkumar, and W. B. Im*, "Facile fabrication of moisture resistance and thermally stable SrGa2S4:Eu2+ phosphor-in-glass microcubes for white LED", Ceram. Int., Vol. 41, pp. 5200-5204, 2015.
71. Y. H. Kim, P. Arunkumar, S. H. Park, H. S. Yoon, and W. B. Im*,"Tuning the diurnal natural daylight with phosphor converted White LED – Advent of new phosphor blend composition", Mater. Sci. Eng., B, Vol. 193, pp. 4-12, 2015.
70. J. Y. Hyun, C. Yun, K. H. Kim, W. H. Kim, S.-W. Jeon, W. B. Im, and J. P. Kim, "Control of the Plasmon Resonance from Poly-dispersed Silver Nanoparticles", Jpn. J. Appl. Phys., Vol. 54, pp. 02BD02-1-02BD02-4, 2015.
69. S. Unithrattil and W. B. Im*, "Blue and orange emission from Ce3+ and Yb2+ doped KNa3Al4Si4O16 phosphor: a detailed study of the luminescence mechanism", J. Alloys Comp., Vol. 618, pp. 718-723, 2015.
[2014]
68. Y. H. Kim and W. B. Im*, "Narsarsukite-structure fluorosilicate as a blue component for white LEDs: structural and optical properties", Opt. Lett., Vol. 39, pp. 4887-4890, 2014.
67. M. Kang, J. E. Lee, H. W. Shim, M. S. Jeong, W. B. Im, and H. Yoon, "Intrinsically Conductive Polymer Binders for Electrochemical Capacitor Application", RSC Adv., Vol. 4, pp. 27939-27945, 2014.
66. Y. K. Lee, Y. H. Kim, J. Heo, W. B. Im, and W. J. Chung, "Control of Chromaticity by Phosphor in Glasses (PiGs) with Low Temperature Sintered Silicate Glasses for LED Applications", Opt. Lett., Vol. 39, pp. 4084-4087, 2014.
65. C. J. Yim, S. Unithrattil, W. J. Chung, and W. B. Im*, "Comparative study of optical and structural properties of electrospun 1-dimensional CaYAl3O7:Eu3+ nanofibers and bulk phosphor", Mater. Charact., Vol. 95, pp. 27-35, 2014.
64. V. Mathew, J. Gim, E. Kim, M. H. Alfaruqi, J. Song, D. Ahn, W. B. Im, Y. Paik, and J. Kim, "A rapid polyol combustion strategy towards scalable synthesis of nanostructured LiFePO4/C cathodes for Li-ion batteries", J. Solid State Electrochem. Vol. 18, pp. 1557-1567, 2014.
63. S. Unithrattil, K. H. Lee, W. J. Chung, and W. B. Im*, “Full-Color-Emitting CaYAl3O7:Pr3+, Ce3+ Phosphor for Near-UV LED-Based White Light”, J. Lumin. Vol. 152, pp. 176-181, 2014.
62. J. W. Min, A. K. Kalathil, C. J. Yim, and W. B. Im*, "Morphology effects on the electrochemical performance of lithium-rich layered oxide cathodes prepared by electrospinning technique for lithium-ion battery applications", Mater. Charact., Vol. 92, pp. 118-126, 2014.
61. I. S. Sohn, S. Unithrattil, and W. B. Im*, "Stacked quantum dot embedded silica film on phosphor plate for superior performance of white LEDs", ACS Appl. Mater. Interfaces, Vol. 6, pp. 5744-5748, 2014.
60. S. Unithrattil, K. H. Lee, and W. B. Im*, "Enhanced luminescence of Ca14Mg2Si8O28+δN4-δ:Eu2+ phosphors by co-doping Ce3+, Mn2+ for white LEDs and their energy transfer mechanism", J. Am. Ceram. Soc., Vol. 97, pp. 874-879, 2014.
59. J. Kang, V. Mathew, J. Gim, S. Kim, J. Song, W. B. Im, J. Han, J. Y. Lee, J. Kim, "Pyro-synthesis of a high rate nano-Li3V2(PO4)3/C cathode with mixed morphology for advanced Li-ion batteries", Sci. Rep., DOI: 10.1038/srep04047, 2014.
58. S. J. Gwak, P. Arunkumar, and W. B. Im*, "A new blue-emitting oxohalide phosphor Sr4OCl6:Eu2+ for thermally stable, efficient white light-emitting devices under near UV", J. Phys. Chem. C, Vol.118, pp. 2686-2692, 2014.
57. J. S. Lee, P. Arunkumar, S. Kim, I. J. Lee, H. Lee, and W. B. Im*, “Smart design to resolve spectral overlapping of phosphor-in-glass for high powered remote type white light-emitting device", Opt. Lett., Vol. 39, pp. 762-765, 2014.
56. J. W. Min, C. J. Yim, and W. B. Im*, "Preparation and electrochemical characterization of flower-like nanostructure Li1.2Ni0.17Co0.17Mn0.5O2 cathode by electrospinning", Ceram. Int., Vol. 40, pp. 2029-2034, 2014.
[2013]
55. K.-N. Jung, J.-H.Jung, W. B. Im, S. Yoon, K.-H. Shin, and J.-W. Lee, "Doped lanthanum nickelates with a layered perovskite structure as bi-functional cathode catalysts for rechargeable metal-air batteries", ACS Appl. Mater. Interfaces, Vol. 5, pp. 9902-9907, 2013.
54. Y.-H. Lee, K.-B. Kim, J.-G. Kim, K. Park, W. B. Im, Y.-I. Kim, "Crystallographic Study of Cu(In1–xGa x)Se2 Solar Cell Module via Structural Refinement", J. Nanoelectron. Optoe., Vol. 8, pp. 575-578, 2013.
53. Y.-I. Kim, M. K. Jeon, and W. B. Im, "Crystal Structural Study of Ho-doped Ceria Using X-ray Powder Diffraction Data", J. Electroceram., Vol. 31, pp. 254-259, 2013.
52. C. J. Yim, S. Unithrattil, W. J. Chung, and W. B. Im*, “Preparation of Electrospun Pyrochlore-Structure KGdTa2O7:Eu3+ Phosphor: the Optical and Structural Properties for White LED Applications”, J. Nanosci. Nanotechnol., Vol. 13, pp.7850-7854, 2013.
51. J. W. Min, C. J. Yim, and W. B. Im*, "Facile synthesis of electrospun Li1.2Ni0.17Co0.17Mn0.5O2 nanofiber, and its enhanced high-rate performance for lithium-ion battery applications", ACS Appl. Mater. Interfaces, Vol. 5, pp.7765-7769, 2013.
50. S.-R. Bae, Y. G. Choi, W. B. Im, K. S. Lee, and W. J. Chung, “Rare earth doped silicate-oxyfluoride glass ceramics incorporating LaF3 nano-crystals for UV-LED color conversion”, Opt. Mater., Vol. 35, pp.2034-2038, 2013.
49. J. S. Lee, S. Unithrattil, S. Kim, I. J. Lee, H. Lee, and W. B. Im*, "Robust moisture and thermally stable phosphor glass plate for highly unstable sulfide phosphors in high power white LEDs", Opt. Lett., Vol. 38, pp.3298-3300, 2013.
48. K. H. Kwon, W. B. Im, and D. Y. Jeon, “Energy Transfer in Sr2MgSi2O7:Eu2+ Phosphors in Nano Scale and Their Application to Solid State Lighting with Excellent Color Rendering”, J. Nanosci. Nanotechnol., Vol.13, pp.4079-4083, 2013.
47. J. W. Min, J. Gim, J. Song, W.-H. Ryu, J.-W. Lee, Y.-I. Kim, J. Kim, and W. B. Im*, “Simple, robust metal fluoride coating on layered Li1.23Ni0.13Co0.14Mn0.56O2 and its effects on enhanced electrochemical properties”, Electrochim. Acta, Vol.100, pp.10-17, 2013.
46. K. H. Kim, Y. G. Choi, W. B. Im, and W. J. Chung, “Rare Earth Dependent Formation of PbF2 Nanocrystals and Its Effect on the Emission Properties in Oxyfluoride Glasses”, Met. Mater. Int., Vol. 19, pp.347-352, 2013.
45. K. H. Lee and W. B. Im*, “Efficiency Enhancement of Bredigite-Structure Ca14Mg2[SiO4]8:Eu2+ Phosphor via Partial Nitridation for Solid-State Lighting Applications”, J. Am. Ceram. Soc., Vol. 96, pp.503-508, 2013.
44. G.-Y. Lee, W. B. Im, A. Kirakosyan, S. H. Cheong, J. Y. Han, and D. Y. Jeon, “Tunable emission from blue to white light in single-phase Na0.34Ca(0.66-x-y)Al1.66Si2.34O8: xEu2+,yMn2+ (x=0.07) phosphor for white-light UV LEDs”, Opt. Express, Vol.21, pp.3287-3297, 2013.
43. J. S. Lee, S. Unithrattil, and W. B. Im*, “Color-tunable binary solid-solution phosphor, (Sr3SiO5)1-x(Sr3AlO4F)x, for white LEDs: Energy transfer mechanism between Ce3+ and Tb3+”, J. Alloys Comp., Vol. 555, pp.297-303, 2013.
[2012]
42. G.-Y. Lee, J. Y. Han, W. B. Im, S. H. Cheong, and D. Y. Jeon,” Novel Blue-Emitting NaxCa1‑xAl2‑xSi2+xO8:Eu2+ (x=0.34) Phosphor with High Luminescent Efficiency for UV-Pumped Light-Emitting Diodes”, Inorg. Chem., Vol. 51, pp.10688-10694, 2012.
41. S. H. Park, K. H. Lee, S. Unithrattil, H. S. Yoon, H. G. Jang, and W. B. Im*, “Melilite-Structure CaYAl3O7:Eu3+ Phosphor: Structural and Optical Characteristics for Near-UV LED-Based White Light”, J. Phys. Chem. C, Vol. 116, pp.26850-26856, 2012.
40. K. H. Lee, S. Choi, H.-K. Jung, and W. B. Im*, “Bredigite-Structure Ca14Mg2[SiO4]8:Eu2+,Mn2+: a Tunable Green-Red-Emitting Phosphor with Efficient Energy Transfer for Solid-State Lighting”, Acta Mater. Vol. 60, pp.5783-5790, 2012.
39. K.-N. Jung, J.-I. Lee, W. B. Im, K.-H. Shin, and J.-W. Lee,“La1.7Ca0.3Ni0.75Cu0.25O4 layered perovskite: a potential electrocatalyst for Li2O2 oxidation in lithium-oxygen batteries”, Chem. Commun., Vol.48, pp.9406-9408, 2012.
38. Y. K. Lee, J. S. Lee, J. Heo, W. B. Im*, and W. J. Chung, “Phosphor in Glass with Pb-free Silicate Glass As a Color Converting Materials for White LED”, Opt. Lett. Vol. 37, pp.3276-3278, 2012.
37. J. Lim, J. Moon, J. Gim, S. Kim, K. Kim, J. Song, J. Kang, W. B. Im, and J. Kim, “Fully activated Li2MnO3 nanoparticles by oxidation reaction”, J. Mater. Chem. Vol. 22, pp.11772-11777, 2012.
36. J. Y. Han, W. B. Im, G.-Y. Lee, and D. Y. Jeon, “Near UV-pumped yellow-emitting Eu2+-doped Na3K(Si1-xAlx)8O16±δ phosphor for white-emitting LEDs”, J. Mater. Chem. Vol. 22, pp.8793-8798, 2012.
35. K. H. Lee, S. H. Park, H. S. Yoon, Y.-I. Kim, H. G. Jang, and W. B. Im*, “Bredigite-structure orthosilicate phosphor as a green component for white LED: the structural and optical properties”, Opt. Express Vol.20, pp.6248-6257, 2012.
34. B.-K. Park, J.-W. Lee, S.-B. Lee, T.-H. Lim, S.-J. Park, R.-H. Song, W. B. Im, D.-R. Shin, “La-doped SrTiO3 interconnect materials for anode-supported flat-tubular solid oxide fuel cells”, Int. J. Hydrogen. Energ. Vol.37, pp.4319-4327, 2012.
33. J. Y. Han, W. B. Im, D. Kim, S. H. Cheong, G.-Y. Lee, and D. Y. Jeon, “New full-color-emitting phosphor, Eu2+-doped Na2-xAl2-xSixO4 (0 ≤ x ≤ 1), obtained using phase transitions for solid-state white lighting”, J. Mater. Chem. Vol. 22, pp.5374-5381, 2012.
32. S. H. Park, H. S. Yoon, H. M. Boo, H. G. Jang, K. H. Lee, and W. B. Im*, “Efficiency and Thermal Stability Enhancements of Sr2SiO4:Eu2+ Phosphor via Bi3+ Codoping for Solid-State White Lighting”, Jpn. J. Appl. Phys. Vol. 51, pp.022602-5, 2012.
[2011]
31. W. B. Im, N. George, J. Kurzman, S. Brinkley, A. Mikhailovsky, J. Hu, B. F. Chmelka, S. P. DenBaars, and R. Seshadri, “Efficient and color-tunable oxyfluoride solid solution phosphors for solid-state white lighting”, Adv. Mater. Vol.23, pp. 2300-2305, 2011.
30. Y.-I. Kim, W. B. Im, M. K. Jeon, Y.-H. Lee, K.-B. Kim, and K.-S. Ryu, "Preferential Site of Gd in Gd-doped Fe3O4 Nanopowder", J. Nanosci. Nanotechnol. Vol.11, pp. 810-814, 2011.
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