Chemical Transformation of Lead Halide Perovskite into Insoluble, Less Cytotoxic, and Brightly Luminescent CsPbBr3/CsPb2Br5 Composite Nanocrystals for Cell Imaging

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成果类型：

期刊论文

作者：

Lou, Sunqi;Zhou, Zhi;Xuan, Tongtong*;Li, Huili;Jiao, Ju;...

通讯作者：

Xuan, Tongtong;Gautier, Romain

作者机构：

[Jiao, Ju; Xuan, Tongtong; Gautier, Romain; Lou, Sunqi; Wang, Jing] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Key Lab Bioinorgan & Synthet Chem, Minist Educ,Sch Chem,Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China.

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

[Gautier, Romain] Univ Nantes, Inst Mat Jean Rouxel IMN, 2 Rue Houssiniere,BP 32229, F-44322 Nantes 3, France.

[Li, Huili] East China Normal Univ, Sch Phys & Mat Sci, Minist Educ, Engn Res Ctr Nanophoton & Adv Instrument, Shanghai 200062, Peoples R China.

[Zhang, Hongwu] Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 361021, Fujian, Peoples R China.

通讯机构：

[Xuan, TT; Gautier, R] S

[Gautier, Romain] U

[Xuan, Tongtong] X

Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Key Lab Bioinorgan & Synthet Chem, Minist Educ,Sch Chem,Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China.

Univ Nantes, Inst Mat Jean Rouxel IMN, 2 Rue Houssiniere,BP 32229, F-44322 Nantes 3, France.

语种：

英文

关键词：

perovskite;nanocrystals;water stability;photoluminescence;cell imaging

期刊：

ACS Applied Materials & Interfaces

ISSN：

1944-8244

年：

2019

卷：

期：

页码：

24241-24246

DOI：

10.1021/acsami.9b05484

基金类别：

National Key R&D Program of China [2018YFB0406800, 2018YFB0406801]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51702373, 51772336, 51572302]; "973" programsNational Basic Research Program of China [2014CB643801]; Guangdong Provincial Science & Technology Project [2015B090926011, 2017A050501008, 2013B090800019]; Teamwork Projects of Guangdong Natural Science Foundation [S2013030012842]; Guangzhou Science & Technology Project [201807010104]; National Agency for Research (ANR Young Researchers)French National Research Agency (ANR) [ANR-16-CE08-0003-01]; Etoiles Montantes en Pays de La Loire

机构署名：

本校为其他机构

院系归属：

理学院

摘要：

Lead halide perovskite nanocrystals (NCs) have been widely investigated owing to their potential applications as optoelectronic devices. However, these materials suffer from poor water stability, which make them impossible to be applied in biomedicine. Here, insoluble CsPbBr3/CsPb2Br5 composite NCs were successfully synthesized via simple water-assisted chemical transformation of perovskite NCs. Water plays two key roles in this synthesis: (i) stripping CsBr from CsPbBr3/Cs4PbBr6 and (ii) modifying the coordination number of Pb2+ (six in CsPbBr...

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Chemical Transformation of Lead Halide Perovskite into Insoluble, Less Cytotoxic, and Brightly Luminescent CsPbBr3/CsPb2Br5 Composite Nanocrystals for Cell Imaging

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