Bright and tunable emissive monodisperse CsPbI3@Cs4PbI6 nanocomposites via a precise and controllable dissolution—recrystallization method

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成果类型：

期刊论文

作者：

Cao, Luyu;Liu, Bomei;Huang, Lin;Zhou, Zhi;Ma, Chong-Geng;...

作者机构：

[Cao, Luyu; Wang, Jing] Sun Yat Sen Univ, Sch Chem, Key Lab Bioinorgan & Synthet Chem, State Key Lab Optoelect Mat & Technol,Minist Educ, Guangzhou 510275, Peoples R China.

[Liu, Bomei; Huang, Lin] Sun Yat Sen Univ, Sch Mat Sci & Engn, Guangzhou 510275, Peoples R China.

[Zhou, Zhi] Hunan Agr Univ, Coll Sci, Hunan Opt Agr Engn Technol Res Ctr, Changsha 410128, Peoples R China.

[Ma, Chong-Geng] Chongqing Univ Posts & Telecommun, CQUPT BUL Innovat Inst, Chongqing 400065, Peoples R China.

[Zhang, Jian] Guilin Univ Elect Technol, Engn Res Ctr Elect Informat Mat & Devices, Guangxi Collaborat Innovat Ctr Struct & Property, Minist Educ,Sch Mat Sci & Engn,Guangxi Key Lab In, Guilin 541004, Peoples R China.

语种：

英文

关键词：

Dissolution;Lead compounds;Nanocrystals;Photoluminescence;Recrystallization (metallurgy);Semiconductor quantum dots;CsPbI3@cs4PbI6;Dissolution—recrystallization;matrix;Methyl cyclohexane;Mono-disperse;Recrystallisation;Tunable emissions;Tunables;Visible emissions;Zero-dimensional;Nanocomposites

期刊：

纳米研究：英文版

ISSN：

1998-0124

年：

2023

卷：

期：

页码：

1586-1594

DOI：

10.1007/s12274-022-4791-7

基金类别：

This work was financially supported by the Joint Funds of the National Natural Science Foundation of China and Yunnan Province (No. U1902222), the National Natural Science Foundation of China (Nos. 51961145101 and 52102195), China Postdoctoral Science Foundation (Nos. 2020M672960 and 2021M703656), Guangzhou Science & Technology Project (No. 202007020005), Hunan High Level Talent Gathering Project (Nos. 2019RS1077 and 2020RC5007), and the Guangdong Provincial Key Laboratory of Semiconductor Micro Display (No. 2020B121202003)

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本校为其他机构

院系归属：

理学院

摘要：

Nowadays, due to uncontrolled synthesis and lack of more direct and systematic evidences, the photoluminescence origin of “zero-dimensional” Cs4PbI6 remains great controversy and the luminescence cannot be controlled. Here we propose a controllable dissolution-recrystallization method to synthesize “emissive” and “non-emissive” Cs4PbI6 nanocrystals (NCs) respectively. Through comparing “emissive” and “non-emissive” Cs4PbI6 NCs, it is clearly proved that the visible emission in “emissive” Cs4PbI6 NCs comes from embedded CsPbI3 quantu...

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Bright and tunable emissive monodisperse CsPbI3@Cs4PbI6 nanocomposites via a precise and controllable dissolution—recrystallization method

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