Improved performance and air stability of planar perovskite solar cells via interfacial engineering using a fullerene amine interlayer

被引：70
作者：
Xie, Jiangsheng [1 ,2 ]
Yu, Xuegong [1 ,2 ]
Sun, Xuan [3 ]
Huang, Jiabin [1 ,2 ]
Zhang, Yunhai [4 ]
Lei, Ming [3 ]
Huang, Kun [1 ,2 ]
Xu, Dikai [1 ,2 ]
Tang, Zeguo [5 ]
Cui, Can [4 ]
Yang, Deren [1 ,2 ]
机构：
[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China
[3] Zhejiang Univ, Dept Chem, Hangzhou 310027, Zhejiang, Peoples R China
[4] Zhejiang Sci Tech Univ, Dept Phys, Ctr Optoelect Mat & Devices, Hangzhou 310018, Zhejiang, Peoples R China
[5] Ritsumeikan Univ, Ritsumeikan Global Innovat Res Org, Shiga 5258577, Japan
来源：
NANO ENERGY | 2016年 / 28卷
基金：
中国国家自然科学基金;
关键词：
Perovskite solar cell; Air stability; Hydrophobic interlayer; Interfacial engineering; OPEN-CIRCUIT VOLTAGE; DIFFUSION LENGTHS; EFFICIENT; RECOMBINATION; LAYER; ESTER; FILMS;
D O I：
10.1016/j.nanoen.2016.08.048
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The recent rapid rise in power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) has attracted worldwide extensive attention. However, the PSC applications are limited by their poor stability due to perovskite degradation in moisture. We used a fullerene amine interlayer in planar PSCs to reduce the interface barrier between ETL and metal electrode and also resist the moisture. The utilization of fullerene amine interlayer allowed for the enhancement of PSCs' performance, showing a highest power conversion efficiency (PCE) > 17.2% with negligible hysteresis. More importantly, the air stability of PSCs with fullerene amine was improved: the unpackaged devices stored in air can keep their high performance with no obvious PCE loss in 10% humidity and > 90% of the initial PCE in 45% humidity after 20 days. (C) 2016 Published by Elsevier Ltd.
引用
收藏
页码：330 / 337
页数：8
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