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题名	Inverted perovskite solar cells using dimethylacridine-based dopants
作者	Tan，Qin1 ; Li，Zhaoning1 ; Luo，Guangfu1 ; Zhang，Xusheng 1 ; Che，Bo 2; Chen，Guocong1 ; Gao，Han 1 ; He，Dong1 ; Ma，Guoqiang1 ; Wang，Jiafeng1 ; Xiu，Jingwei 1; Yi，Huqiang1 ; Chen，Tao 2; He，Zhubing1
通讯作者	He，Zhubing
发表日期	2023-08-17
DOI	10.1038/s41586-023-06207-0
发表期刊	Nature 影响因子和分区
ISSN	0028-0836
EISSN	1476-4687
卷号	620 期号:7974页码:545-551
摘要	Doping of perovskite semiconductors and passivation of their grain boundaries remain challenging but essential for advancing high-efficiency perovskite solar cells. Particularly, it is crucial to build perovskite/indium tin oxide (ITO) Schottky contact based inverted devices without predepositing a layer of hole-transport material. Here we report a dimethylacridine-based molecular doping process used to construct a well-matched p-perovskite/ITO contact, along with all-round passivation of grain boundaries, achieving a certified power conversion efficiency (PCE) of 25.39%. The molecules are shown to be extruded from the precursor solution to the grain boundaries and the bottom of the film surface in the chlorobenzene-quenched crystallization process, which we call a molecule-extrusion process. The core coordination complex between the deprotonated phosphonic acid group of the molecule and lead polyiodide of perovskite is responsible for both mechanical absorption and electronic charge transfer, and leads to p-type doping of the perovskite film. We created an efficient device with a PCE of 25.86% (reverse scan) and that maintained 96.6% of initial PCE after 1,000 h of light soaking.
相关链接	[Scopus记录]
收录类别	SCI
语种	英语
重要成果	NI期刊 ; ESI热点 ; ESI高被引 ; NI论文
学校署名	第一 ; 通讯
资助项目	National Natural Science Foundation of China["U2001216","52273266"] ; Shenzhen Key Laboratory Project[ZDSYS201602261933302] ; Guangdong Provincial Key Laboratory of Computational Science and Material Design[2019B030301001] ; Shenzhen Science and Technology Innovation Committee[JCYJ20200109141412308]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:001045210800001
出版者	NATURE PORTFOLIO
ESI学科分类	BIOLOGY & BIOCHEMISTRY;CLINICAL MEDICINE;MULTIDISCIPLINARY;PLANT & ANIMAL SCIENCE;ENVIRONMENT/ECOLOGY;SOCIAL SCIENCES, GENERAL;MICROBIOLOGY;ECONOMICS BUSINESS;IMMUNOLOGY;MATERIALS SCIENCE;COMPUTER SCIENCE;SPACE SCIENCE;MOLECULAR BIOLOGY & GENETICS;CHEMISTRY;NEUROSCIENCE & BEHAVIOR;PHYSICS;GEOSCIENCES;ENGINEERING
Scopus记录号	2-s2.0-85163081129
来源库	Scopus
引用统计	被引频次[WOS]：166
成果类型	期刊论文
条目标识符	//www.snoollab.com/handle/2SGJ60CL/559718
专题	工学院_材料科学与工程系
作者单位	1.Department of Materials Science and Engineering,Institute of Innovative Materials,Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation,Southern University of Science and Technology,Shenzhen,China 2.Hefei National Laboratory for Physical Sciences at the Microscale,Department of Materials Science and Engineering,University of Science and Technology of China,Hefei,China
第一作者单位	材料科学与工程系
通讯作者单位	材料科学与工程系
第一作者的第一单位	材料科学与工程系
推荐引用方式 GB/T 7714	Tan，Qin,Li，Zhaoning,Luo，Guangfu,et al. Inverted perovskite solar cells using dimethylacridine-based dopants[J]. Nature,2023,620(7974):545-551.
APA	Tan，Qin.,Li，Zhaoning.,Luo，Guangfu.,Zhang，Xusheng.,Che，Bo.,...&He，Zhubing.(2023).Inverted perovskite solar cells using dimethylacridine-based dopants.Nature,620(7974),545-551.
MLA	Tan，Qin,et al."Inverted perovskite solar cells using dimethylacridine-based dopants".Nature 620.7974(2023):545-551.