Sequential Deposition of CH3NH3PbI3 on Planar NiO Film for Efficient Planar Perovskite Solar Cells

被引：237

作者：

Hu, Long ^{[1
,2
]}

Peng, Jun ^{[3
]}

Wang, Weiwei ^{[3
]}

Xia, Zhe ^{[1
,2
]}

Yuan, Jianyu ^{[3
]}

Lu, Jialing ^{[3
]}

Huang, Xiaodong ^{[3
]}

Ma, Wanli ^{[3
]}

Song, Huaibing ^{[1
,2
]}

Chen, Wei ^{[1
]}

Cheng, Yi-Bing ^{[1
,4
]}

Tang, Jiang ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China

[3] Soochow Univ, Inst Funct Nano & Soft Mat FUNSOM, Suzhou 215123, Jiangsu, Peoples R China

[4] Monash Univ, Dept Mat Engn, Clayton, Vic 3800, Australia

来源：

ACS PHOTONICS | 2014年 / 1卷 / 07期

基金：

中国国家自然科学基金;

关键词：

perovskite; solar cell; NiO; sequential deposition; TEMPERATURE; LENGTHS; LAYER;

D O I：

10.1021/ph5000067

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The new emerging organometal trihalide perovskite,holds great potential for high-efficiency, low-cost solar cells because of its high solar to electricity conversation, efficiency (>16%) achieved within 4 years of research and its low-temperature solution processing. In this Letter we introduce NiO as the hole-collecting and -conducting layer in perovskite solar cells. Through a modified sequential deposition strategy, we successfully fabricated high-quality CH3NH3PbI3 onto a planar NiO layer and built a planar inverted ITO/NiO/CH3NH3PbI3/PCBM/Al photovoltaic device. A device efficiency of 7.6% was achieved with an impressively high open-circuit voltage (V-oc) of 1.05 V. Our study demonstrates the potential application of a deep work function NiO layer for perovskite solar cells.

引用

页码：547 / 553

页数：7

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