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Lead-Free Sodium-Indium Double Perovskite Nanocrystals through Doping Silver Cations for Bright Yellow Emission

文献类型：期刊论文

作者Han, Peigeng1,2,3; Mao, Xin2,3; Yang, Songqiu3; Zhang, Fei2,3; Yang, Bin3; Wei, Donghui4; Deng, Weiqiao1,3; Han, Keli1,3
刊名JOURNAL OF ULTRASOUND IN MEDICINE
出版日期2019-10-16
页码6
关键词double perovskites nanocrystals photoluminescence silver ion doping self-trapped excitons (STEs)
ISSN号0278-4297
DOI10.1002/anie.201909525
通讯作者Han, Keli(klhan@dicp.ac.cn)
英文摘要Lead-free halide perovskite nanocrystals (NCs) have drawn wide attention for solving the problem of lead perovskites toxicity and instability. Herein, we synthesize the direct band gap double perovskites undoped and Ag-doped Cs2NaInCl6 NCs by variable temperature hot injection. The Cs2NaInCl6 NCs have little photoluminescence because of dark self-trapped excitons (STEs). The dark STEs can be converted into bright STEs by doping with Ag+ to produce a bright yellow emission, with the highest photoluminescence quantum efficiency of 31.1%. The dark STEs has been directly detected experimentally by ultrafast transient absorption (TA) techniques. The dynamics mechanism is further studied. In addition, the Ag-doped NCs show better stability than the undoped ones. This result provides a new way to enhance the optical properties of lead-free perovskites NCs for high-performance light emitters.
WOS关键词WHITE-LIGHT EMISSION ; HALIDE PEROVSKITES ; COLLOIDAL NANOCRYSTALS ; ANION-EXCHANGE ; RB ; BI ; BR
资助项目National Key Research and Development Program of China[2017YFA0204800] ; National Natural Science Foundation of China[21833009] ; National Natural Science Foundation of China[21533010] ; National Natural Science Foundation of China[21525315] ; DICP[DMTO201601] ; DICP[ZZBS201703] ; Science Challenging Program[JCKY2016212A501]
WOS研究方向Acoustics ; Radiology, Nuclear Medicine & Medical Imaging
语种英语
WOS记录号WOS:000490306700001
出版者WILEY
资助机构National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; DICP ; DICP ; Science Challenging Program ; Science Challenging Program ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; DICP ; DICP ; Science Challenging Program ; Science Challenging Program ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; DICP ; DICP ; Science Challenging Program ; Science Challenging Program ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; DICP ; DICP ; Science Challenging Program ; Science Challenging Program
源URL[http://cas-ir.dicp.ac.cn/handle/321008/172302]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Han, Keli
作者单位1.Shandong Univ, Inst Mol Sci & Engn, Qingdao 266237, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Inst Chem Phys, State Key Lab Mol React Dynam Dalian, Dalian 116023, Peoples R China
4.Zhengzhou Univ, Coll Chem & Mol Engn, 100 Sci Ave, Zhengzhou 450001, Henan, Peoples R China
推荐引用方式
GB/T 7714		 Han, Peigeng,Mao, Xin,Yang, Songqiu,et al. Lead-Free Sodium-Indium Double Perovskite Nanocrystals through Doping Silver Cations for Bright Yellow Emission[J]. JOURNAL OF ULTRASOUND IN MEDICINE,2019:6.
APA Han, Peigeng.,Mao, Xin.,Yang, Songqiu.,Zhang, Fei.,Yang, Bin.,...&Han, Keli.(2019).Lead-Free Sodium-Indium Double Perovskite Nanocrystals through Doping Silver Cations for Bright Yellow Emission.JOURNAL OF ULTRASOUND IN MEDICINE,6.
MLA Han, Peigeng,et al."Lead-Free Sodium-Indium Double Perovskite Nanocrystals through Doping Silver Cations for Bright Yellow Emission".JOURNAL OF ULTRASOUND IN MEDICINE (2019):6.

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来源：大连化学物理研究所

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