Oxalic Acid Enabled Emission Enhancement and Continuous Extraction of Chloride from Cesium Lead Chloride/Bromide Perovskite Nanocrystals

All‐inorganic cesium lead halide perovskite nanocrystals (NCs) have demonstrated excellent optical properties and an encouraging potential for optoelectronic applications; however, mixed‐halide perovskites, especially CsPb(Cl/Br)3 NCs, still show lower photoluminescence quantum yields (PL QY) than t...

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Veröffentlicht in:	Small (Weinheim an der Bergstrasse, Germany) Germany), 2019-08, Vol.15 (34), p.e1901828-n/a
Hauptverfasser:	Wang, Shixun, Shen, Xinyu, Zhang, Yu, Zhuang, Xingwei, Xue, Dingke, Zhang, Xiangtong, Wu, Jinlei, Zhu, Jinyang, Shi, Zhifeng, Kershaw, Stephen V., Yu, William W., Rogach, Andrey L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Additives Anions blue‐emitting materials Cesium chelating action Chelation Emission Lead chlorides Lead compounds Metal halides mixed‐halide perovskites Nanocrystals Nanotechnology Optical properties Optoelectronics Oxalic acid Perovskites Photoluminescence Surface defects
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