Improved Performance of GaN-Based Light-Emitting Diodes Grown on Si (111) Substrates with NH₃ Growth Interruption

by Sang-Jo Kim, Semi Oh, Kwang-Jae Lee, Sohyeon Kim, Kyoung-Kook Kim
Published 2021-04-01

Self-Aligned Hierarchical ZnO Nanorod/NiO Nanosheet Arrays for High Photon Extraction Efficiency of GaN-Based Photonic Emitter

by Won-Seok Lee, Soon-Hwan Kwon, Hee-Jung Choi, Kwang-Gyun Im, Hannah Lee, Semi Oh, Kyoung-Kook Kim
Published 2020-03-01

Enhanced Photon Emission Efficiency Using Surface Plasmon Effect of Pt Nanoparticles in Ultra-Violet Emitter

by Hee-Jung Choi, Sohyeon Kim, Eun-Kyung Chu, Beom-Rae Noh, Won-Seok Lee, Soon-Hwan Kwon, Semi Oh, Kyoung-Kook Kim
Published 2019-08-01

Ultraviolet Photoactivated Room Temperature NO₂ Gas Sensor of ZnO Hemitubes and Nanotubes Covered with TiO₂ Nanoparticles

by Hee-Jung Choi, Soon-Hwan Kwon, Won-Seok Lee, Kwang-Gyun Im, Tae-Hyun Kim, Beom-Rae Noh, Sunghoon Park, Semi Oh, Kyoung-Kook Kim
Published 2020-03-01