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도로 상태에 따라 모양 바꾸고 1t 무게도 견디는 변신 바퀴 개발됐다
donga.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from donga.com Daily Mail and Mail on Sunday newspapers.
난치병 후원기업 주식 샀어요 … 나만의 가치에 투자하는 MZ세대
donga.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from donga.com Daily Mail and Mail on Sunday newspapers.
연세대 이용재 교수 연구팀, 섭입대 지진발생과 마그마 형성의 새 원리 제시
hani.co.kr - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hani.co.kr Daily Mail and Mail on Sunday newspapers.
미세먼지 원인 효과적으로 없애는 촉매 기술 개발
donga.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from donga.com Daily Mail and Mail on Sunday newspapers.
Highly efficient perovskite light-emitting diodes for next-generation display technology
IMAGE: Figure1. Perovskite nanoparticle structure developed by a joint research team (Left), device efficiency (EQE)-versus-luminance curve of perovskite light-emitting diodes and image of large-area light-emitting devices (Right).
Image:
seoul national university
Research team at Seoul National University (Prof. Tae-Woo Lee) and University of Pennsylvania (Prof. Andrew M. Rappe) developed perovskite light-emitting diodes (PeLEDs) with an external quantum efficiency (EQE) of 23.4%. The research results were published in Nature Photonics, which is the world-renowned international academic journal, on January 4th (Title: Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes).
Metal halide perovskites have very narrow spectral emission, excellent color purity, low material cost, and wide and easy color-tunability. Based on these advantages, per