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  4. 应用技术研究所
Large-grained formamidinium-based films via a 2D-3D conversion mechanism for high-performance perovskite solar cells without anti-solvent

文献类型：期刊论文

作者Xu, Xiaoxiao2,4; Li, Zhaoqian2; Zhu, Liangzheng2,4; Zheng, Haiying2,4; Liu, Guozhen2,4; Hayat, Tasawar1,3; Alsaedi, Ahmed3; Zhang, Xianxi5; Huang, Yang2; Pan, Xu2
刊名JOURNAL OF MATERIALS CHEMISTRY A
出版日期2019-01-21
卷号7期号:3页码:1341-1348
ISSN号2050-7488
DOI10.1039/c8ta06044d
英文摘要

High quality and uniform dense perovskite films are essential to exciton dissociation and charge transportation in perovskite solar cells (PSCs). Although MA(1-x)FA(x)PbI(3) planar films can be fabricated by a solution process with chlorobenzene anti-solvent, the fabrication still suffers from problems such as environmental pollution, high cost and low reproducibility. In this work, we present a HI and MACl assisted 2D-3D conversion mechanism (HI-MACl ACM), defined as an anti-solvent-free method, to fabricate pure phase MA(1-x)FA(x)PbI(3) and enhance the quality of perovskite films. The intermediate 2D HMA(1-x)FA(x)PbI(3)Cl derived from HI-MACl ACM eventually transforms to 3D MA(1-x)FA(x)PbI(3) perovskite. This 2D structure also has an impact on retarding nucleation. The obtained films were composed of highly crystallized and large grains (over 1000 nm), which minimized grain boundaries and trap sites, giving a power conversion efficiency above 18.86% in PSCs.

WOS关键词HALIDE PEROVSKITES ; EFFICIENT ; GROWTH
资助项目National Key Research and Development Program of China[2016YFA0202401] ; National High Technology Research and Development Program of China[2015AA050602] ; CASHIPS Director's Fund[YZJJ2018QN21]
WOS研究方向Chemistry ; Energy & Fuels ; Materials Science
语种英语
WOS记录号WOS:000457268300049
出版者ROYAL SOC CHEMISTRY
资助机构National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/41698]  
专题合肥物质科学研究院_应用技术研究所
通讯作者Huang, Yang; Pan, Xu
作者单位1.Quaid I Azam Univ, Dept Math, Islamabad 44000, Pakistan
2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Appl Technol, Key Lab Photovolta & Energy Conservat Mat, Hefei 230031, Peoples R China
3.King Abdulaziz Univ, Fac Sci, Dept Math, NAAM Res Grp, Jeddah 21589, Saudi Arabia
4.Univ Sci & Technol China, Hefei 230026, Peoples R China
5.Liaocheng Univ, Collaborat Innovat Ctr Chem Energy Storage & Nove, Shandong Prov Key Lab, Liaocheng 252000, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Xiaoxiao,Li, Zhaoqian,Zhu, Liangzheng,et al. Large-grained formamidinium-based films via a 2D-3D conversion mechanism for high-performance perovskite solar cells without anti-solvent[J]. JOURNAL OF MATERIALS CHEMISTRY A,2019,7(3):1341-1348.
APA Xu, Xiaoxiao.,Li, Zhaoqian.,Zhu, Liangzheng.,Zheng, Haiying.,Liu, Guozhen.,...&Pan, Xu.(2019).Large-grained formamidinium-based films via a 2D-3D conversion mechanism for high-performance perovskite solar cells without anti-solvent.JOURNAL OF MATERIALS CHEMISTRY A,7(3),1341-1348.
MLA Xu, Xiaoxiao,et al."Large-grained formamidinium-based films via a 2D-3D conversion mechanism for high-performance perovskite solar cells without anti-solvent".JOURNAL OF MATERIALS CHEMISTRY A 7.3(2019):1341-1348.

入库方式： OAI收割

来源：合肥物质科学研究院

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