"Kihyung Sim","Enhancement of EL performance and flexibility of Perovskite-light emitting diodes",,,,,,,2022,Sept. "Kihyung Sim","Enhancement of EL performance and flexibility of Perovskite-light emitting diodes",,,,,,,2022,Sept. "Kihyung Sim","Enhancement of EL performance and flexibility of Perovskite-light emitting diodes",,,,,,,2022,Sept. "Kihyung Sim","Enhancement of EL performance and flexibility of Perovskite-light emitting diodes",,,,,,,2022,Sept. "Kihyung Sim,Takuya Nakao,Masato Sasase,Soshi Iimura,Junghwan Kim,Hideo Hosono","18-Crown-6 Additive to Enhance Performance and Durability in Solution-Processed Halide Perovskite Electronics",,"Small","Wiley",,,"p. 2202298",2022,July "Junghwawn Kim,Kihyung Sim,Hideo Hosono,Junghwan Kim","100,000 Times Foldable Perovskite Light-Emitting Diodes","MRM2021",,,,,,2021,Dec. "Junghwan Kim,Yu-Shien Shiah,Kihyung Sim,Soshi Iimura,Katsumi Abe,Masatake Tsuji,Masato Sasase,Hideo Hosono","High-Performance P-Channel Tin Halide Perovskite Thin Film Transistor Utilizing a 2D?3D Core?Shell Structure",,"Advanced Science",,,,,2021,Dec. "Yu-Shien Shiah,Kihyung Sim,Yuhao Shi,Katsumi Abe,Shigenori Ueda?,Masato Sasase,Junghwan Kim?,Hideo Hosono","Mobility?stability trade-off in oxide thin-film transistors",,"Nature Electronics",,"Vol. 4",,"pp. 800-807",2021,Nov. "Yu-Shien Shiah,Kihyung Sim,Shigenori Ueda,Junghwan Kim,Hideo Hosono","Unintended Carbon-Related Impurity and Negative Bias Instability in High-Mobility Oxide TFTs",,"IEEE Electron Device Letters",,"Vol. 42",,"pp. 1319 - 1322",2021,July "Taehwan Jun,Taketo Handa,Kihyung Sim,Soshi Iimura,Masato Sasase,Junghwan Kim,Yoshihiko Kanemitsu,Hideo Hosono","One-step solution synthesis of white-light emitting films via dimensionality control of the Cs?Cu?I system",,"APL Materials","AIP","Vol. 7",,"p. 111113",2019,Nov. "Junghwan Kim,Kihyung Sim,Hideo Hosono","Dimensionality Issue of Recent Halide Perovskites and Strategy for High Performance Perovskite LEDs","TOEO-11",,,,,,2019,Oct. "Junghwan Kim,Kihyung Sim,Hideo Hosono","Realization of High-Performance Perovskite LEDs using a Novel Device Architecture","iLIM-4",,,,,,2019,Oct. "Kihyung Sim,Taehwan Jun,Joonho Bang,Hayato Kamioka,Junghwan Kim,Hidenori Hiramatsu,Hideo Hosono","Performance boosting strategy for perovskite light-emitting diodes",,"Applied Physics Reviews","American Institute of Physics (AIP)","Vol. 6",,"p. 031402",2019,July "Taehwan Jun,Kihyung Sim,Soshi Iimura,Masato Sasase,Hayato Kamioka,Junghwan Kim,Hideo Hosono","Pb-free Blue-emitting 0D Cs3Cu2I5 with High PLQY of ~90%","Society for Information Display (SID)","SID international symposium digest of technical papers",,,,"pp. 1176-1178",2019,May "Taehwan Jun,Kihyung Sim,Soshi Iimura,Masato Sasase,Hayato Kamioka,Junghwan Kim,Hideo Hosono","Lead-Free Highly Efficient Blue-Emitting Cs3Cu2I5 with 0D Electronic Structure",,"Advanced Materials","Wiley","Vol. 30","No. 43","p. 1804547",2018,Sept.