DICP OpenIR
Lead-Free Sodium-Indium Double Perovskite Nanocrystals through Doping Silver Cations for Bright Yellow Emission
Han, Peigeng1,2,3; Mao, Xin1,3; Yang, Songqiu1; Zhang, Fei1,3; Yang, Bin1; Wei, Donghui4; Deng, Weiqiao1,2; Han, Keli1,2
Corresponding AuthorHan, Keli(klhan@dicp.ac.cn)
Keyworddouble perovskites nanocrystals photoluminescence silver ion doping self-trapped excitons (STEs)
Source PublicationJOURNAL OF ULTRASOUND IN MEDICINE
2019-10-16
ISSN0278-4297
DOI10.1002/anie.201909525
Pages6
Funding ProjectNational 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]
Funding OrganizationNational 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
WOS SubjectAcoustics ; Radiology, Nuclear Medicine & Medical Imaging
WOS Research AreaAcoustics ; Radiology, Nuclear Medicine & Medical Imaging
WOS KeywordWHITE-LIGHT EMISSION ; HALIDE PEROVSKITES ; COLLOIDAL NANOCRYSTALS ; ANION-EXCHANGE ; RB ; BI ; BR
AbstractLead-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.
Language英语
Funding OrganizationNational 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
WOS IDWOS:000490306700001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/172303
Collection中国科学院大连化学物理研究所
Corresponding AuthorHan, Keli
Affiliation1.Chinese Acad Sci, Inst Chem Phys, State Key Lab Mol React Dynam Dalian, Dalian 116023, Peoples R China
2.Shandong Univ, Inst Mol Sci & Engn, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.Zhengzhou Univ, Coll Chem & Mol Engn, 100 Sci Ave, Zhengzhou 450001, Henan, Peoples R China
Recommended Citation
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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