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	In situ grain boundary modification via two-dimensional nanoplates to remarkably improve stability and efficiency of perovskite solar cells
	Zhu, Xuejie1,2,3; Zuo, Shengnan1,2,3; Yang, Zhou1,2,3; Feng, Jiangshan1,2,3; Wang, Ziyu5; Zhang, Xiaorong1,2,3; Priya, Shashank4; Liu, Shengzhong Frank1,2,3,5; Yang, Dong1,2,3,4
刊名	Acs applied materials & interfaces
	2018-11-21
卷号	10期号:46页码:39802-39808
关键词	Perovskite solar cell In situ Two-dimensional Grain boundary Stability
ISSN号	1944-8244
DOI	10.1021/acsami.8b14954
通讯作者	Liu, shengzhong frank(szliu@dicp.ac.cn) ; Yang, dong(dongyang@vt.edu)
英文摘要	Even though a record efficiency of 23.3% has been achieved in organic-inorganic hybrid perovskite solar cells, their stability remains a critical issue, which greatly depends on the morphology of perovskite absorbers. herein, we report a practical grain boundary modification to remarkably improve the humidity and thermal stability by gradually growing in situ two-dimensional nanoplates between the grain boundaries of perovskite films using phenylethylammonium iodide (peat). the experimental results show that peal nanoplates play a critical role in stabilizing perovskite thin films by reducing the moisture sensitivity and suppressing phase transition at the grain boundaries. in addition to the significant improved ambient stability, the grain boundary modification by peal can effectively suppress the nonradiative charge recombination at grain boundaries. as a result, the efficiency of perovskite solar cells is up to 20.34% with significant humidity and thermal stability.
WOS关键词	ELECTRON ; HYSTERESIS
WOS研究方向	Science & Technology - Other Topics ; Materials Science
WOS类目	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000451496000044
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2373039
专题	大连化学物理研究所
通讯作者	Liu, Shengzhong Frank; Yang, Dong
作者单位	1.Shaanxi Normal Univ, Minist Educ, Key Lab Appl Surface & Colloid Chem, Sch Mat Sci & Engn, Xian 710119, Shaanxi, Peoples R China 2.Shaanxi Normal Univ, Shaanxi Key Lab Adv Energy Devices, Sch Mat Sci & Engn, Xian 710119, Shaanxi, Peoples R China 3.Shaanxi Normal Univ, Shaanxi Engn Lab Adv Energy Technol, Sch Mat Sci & Engn, Xian 710119, Shaanxi, Peoples R China 4.Penn State Univ, Mat Sci & Engn, University Pk, PA 16802 USA 5.Chinese Acad Sci, Dalian Inst Chem Phys, iChEM, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
推荐引用方式 GB/T 7714	Zhu, Xuejie,Zuo, Shengnan,Yang, Zhou,et al. In situ grain boundary modification via two-dimensional nanoplates to remarkably improve stability and efficiency of perovskite solar cells[J]. Acs applied materials & interfaces,2018,10(46):39802-39808.
APA	Zhu, Xuejie.,Zuo, Shengnan.,Yang, Zhou.,Feng, Jiangshan.,Wang, Ziyu.,...&Yang, Dong.(2018).In situ grain boundary modification via two-dimensional nanoplates to remarkably improve stability and efficiency of perovskite solar cells.Acs applied materials & interfaces,10(46),39802-39808.
MLA	Zhu, Xuejie,et al."In situ grain boundary modification via two-dimensional nanoplates to remarkably improve stability and efficiency of perovskite solar cells".Acs applied materials & interfaces 10.46(2018):39802-39808.

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