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Flexible Perovskite Solar Cells onto Plastic Substrate Exceeding 13% Efficiency Owing to the Optimization of CH3NH3PbI3-xClx Film via H2O Additive

文献类型：期刊论文

作者Du, Yangyang1; Cai, Hongkun1; Bao, Xichang2; Xing, Zhixue1; Wu, Yunhao1; Xu, Jian1; Huang, Like1; Ni, Jian1; Li, Juan1; Zhang, Jianjun1
刊名ACS SUSTAINABLE CHEMISTRY & ENGINEERING
出版日期2018
卷号6期号:1页码:1083-1090
关键词Flexible Perovskite Solar Cells (F-pscs) H2o Additive Pet Substrate Crystallization Stability
ISSN号2168-0485
DOI10.1021/acssuschemeng.7b03382
文献子类Article
英文摘要In this work, flexible perovskite solar cells (F-PSCs) are fabricated utilizing the device polyethylene terephthalate (PET) substrate/ITO/PEDOT:PSS/CH3NH3PbI3-xClx/PCBM/Ag, which exhibits the optimal power conversion efficiency (PCE) reaching 13.27%, superb stability against bending deformation, and advantageous stability in ambient atmosphere without encapsulation. Meanwhile, we herein confirm a fact that incorporating suitable H2O additive into the perovskite precursor solution leads to an enhanced CH3NH3PbI3-xClx perovskite quality for F-PSCs application, including the improvement of morphology and electrical properties. To better summarize the mechanism concerning how H2O additive affects the perovskite film quality, CH3NH3PbI3-xClx films are prepared by a simple one-step spinning method from a solution containing CH3NH3I, PbI2, and PbCI2 in a mixed solvent of H2O and dimethylformamide (DMF) with solely various volume ratio ranging from 0.1% to 0.9%. Through a comparative analysis, it is proposed that H2O additive prolongs the CH3NH3PbI3-xClx recrystallization process contributing to slower crystallization rate. Additionally, it can merge adjacent perovskite grain together by accelerating the diffusion of ions within the predeposited films toward the grain boundary, thereby yielding large and densely packed perovskite grain size.
WOS关键词CONTROLLED HUMIDITY ; LAYER ; HYSTERESIS ; GROWTH ; AIR
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Engineering
语种英语
WOS记录号WOS:000419536800114
出版者AMER CHEMICAL SOC
资助机构National Natural Science Foundation of China(61504068) ; Natural Science Foundation of Tianjin(16JCYBJC16800)
源URL[http://ir.qibebt.ac.cn/handle/337004/10539]  
专题青岛生物能源与过程研究所_先进有机功能材料团队
通讯作者Cai, Hongkun; Bao, Xichang
作者单位1.Nankai Univ, Coll Elect Informat & Opt Engn, Tianjin 300071, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
推荐引用方式
GB/T 7714		 Du, Yangyang,Cai, Hongkun,Bao, Xichang,et al. Flexible Perovskite Solar Cells onto Plastic Substrate Exceeding 13% Efficiency Owing to the Optimization of CH3NH3PbI3-xClx Film via H2O Additive[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2018,6(1):1083-1090.
APA Du, Yangyang.,Cai, Hongkun.,Bao, Xichang.,Xing, Zhixue.,Wu, Yunhao.,...&Zhang, Jianjun.(2018).Flexible Perovskite Solar Cells onto Plastic Substrate Exceeding 13% Efficiency Owing to the Optimization of CH3NH3PbI3-xClx Film via H2O Additive.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,6(1),1083-1090.
MLA Du, Yangyang,et al."Flexible Perovskite Solar Cells onto Plastic Substrate Exceeding 13% Efficiency Owing to the Optimization of CH3NH3PbI3-xClx Film via H2O Additive".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 6.1(2018):1083-1090.

入库方式： OAI收割

来源：青岛生物能源与过程研究所

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