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Ceramist 2018;21(1):24-43.
Published online March 31, 2018.
Sa-Rang Bae, , Su-Yeong Kim
고효율 할로겐화 페로브스카이트 발광 다이오드의 최근 연구 동향
배사랑, 쿠엣반, 김수영
중앙대학교 화학신소재공학부
Abstract
Organic-inorganic halide perovskite materials have attracted significant attention during the last few years because of their superior properties for electronic and optoelectronic devices, such as their long charge carrier diffusion lengths and high photoluminescence quantum yields of up to 100% with tunable bandgaps over the entire visible spectral range. In addition to solar cells, light emitting diodes (LEDs) represent a fascinating application for halide perovskite materials. In this study, we review the recent progress in halide perovskite LEDs. The current strategies for improving the performance of halide LEDs, focusing on morphological engineering, dimensional engineering, compositional engineering, surface passivation, interfacial engineering, and the plasmonic effect are discussed. The challenges and perspectives for the future development of halide perovskite LEDs are also considered.
Key Words: halide perovskite LEDs, dimensional engineering, interfacial engineering, surface passivation, plasmonic
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