期刊
ADVANCED OPTICAL MATERIALS
卷 5, 期 21, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.201700520
关键词
cation exchange; CsPbCl3-Mn; lead halide perovskite; Mn doped nanocrystals; solid state lighting
资金
- National Natural Scientific Foundation of China [21675133, 21375112]
- Major Projects Science and Technology of Fujian Province [2011YZ0001-1]
- National Found for Fostering Talents of Basic Science [J1310024]
Mn doped caesium lead halide perovskite (CsPbCl3-Mn) nanocrystals are obtained from CsPbBr3 nanocrystals via ion exchange with MnCl2. The doping of Mn and the activity in energy acceptance in different stages of ion exchange are proved using photoluminescence (PL) lifetime measurement and inductively coupled plasma mass spectrometry measurements. During the ion exchange, ultrasonic treatment and cold flow (in a KCl matrix) are used to assist Mn incorporation. The resulting CsPbCl3-Mn@KCl shows excellent PL properties and stability. Finally, the CsPbCl3-Mn@KCl tablet is applied to the production of a light emitting diode prototype.
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