Electric-field assisted perovskite crystallization for high-performance solar cells
Zhang, CC; Wang, ZK; Li, M; Liu, ZY; Yang, JE; Yang, YG; Gao, XY; Ma, H
2018
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
卷号6期号:3页码:1161-1170
文章类型期刊论文
摘要We develop an external-electric-field (EEF)-assisted annealing treatment to improve the photoelectric performance of planar organic-inorganic perovskite solar cells (PSCs). The new strategy can control the ion polarization orientation of perovskite films to obtain a good crystallization film and enhance the built-in electric field (BIF), which facilitates the effective promotion of charge separation and transport. Under an optimized treatment of up-EEF-assisted (2.5 V mu m(-1)) annealing, the power conversion efficiency (PCE) of the inverted PSC is improved from 15.33% to 17.26%, and from 16.77% to 19.18% for regular PSCs, compared with the thermal-annealing-only process. The ion polarization and ferroelectricity in the perovskite layer induced by the EEF are intensively discussed. The finding in this work provides a new route to improve perovskite film quality and cell performance.
关键词Methylammonium Lead Iodide Ferroelectric Polarization Photovoltaic Performance Ch3nh3pbi3 Perovskite Interfacial Layer Ion migratIon Efficiency Hysteresis Nanoparticles Enhancement
DOI10.1039/c7ta08204e
收录类别SCI
语种英语
WOS记录号WOS:000422949700047
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28993
专题中科院上海应用物理研究所2011-2018年
作者单位1.Zhang, CC
2.Wang, ZK
3.Li, M
4.Liu, ZY
5.Yang, JE
6.Yang, YG
7.Gao, XY
8.Ma, H
推荐引用方式
GB/T 7714
Zhang, CC,Wang, ZK,Li, M,et al. Electric-field assisted perovskite crystallization for high-performance solar cells[J]. JOURNAL OF MATERIALS CHEMISTRY A,2018,6(3):1161-1170.
APA Zhang, CC.,Wang, ZK.,Li, M.,Liu, ZY.,Yang, JE.,...&Ma, H.(2018).Electric-field assisted perovskite crystallization for high-performance solar cells.JOURNAL OF MATERIALS CHEMISTRY A,6(3),1161-1170.
MLA Zhang, CC,et al."Electric-field assisted perovskite crystallization for high-performance solar cells".JOURNAL OF MATERIALS CHEMISTRY A 6.3(2018):1161-1170.
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