Perovskite Solar Cell with an Efficient TiO2 Compact Film

被引：294

作者：

Ke, Weijun ^{[1
,2
]}

Fang, Guojia ^{[1
,2
]}

Wang, Jing ^{[1
]}

Qin, Pingli ^{[1
]}

Tao, Hong ^{[1
]}

Lei, Hongwei ^{[1
]}

Liu, Qin ^{[1
]}

Dai, Xin ^{[1
]}

Zhao, Xingzhong ^{[1
]}

机构：

[1] Wuhan Univ, Sch Phys & Technol, Key Lab Artificial Micro & Nanostruct, Minist Educ China,Dept Elect Sci & Technol, Wuhan 430072, Peoples R China

[2] Wuhan Univ, Shenzhen Inst, Shenzhen 518055, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 18期

基金：

中国博士后科学基金;

关键词：

perovskite; solar cell; compact electron transporting layer; interface resistance; one-step sintering; THIN-FILM; COUNTER ELECTRODE; SEQUENTIAL DEPOSITION; HALIDE PEROVSKITES; TITANIUM-DIOXIDE; BLOCKING LAYERS; PERFORMANCE;

D O I：

10.1021/am503728d

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A perovskite solar cell with a thin TiO2 compact film prepared by thermal oxidation of sputtered Ti film achieved a high efficiency of 15.07%. The thin TiO2 film prepared by thermal oxidation is very dense and inhibits the recombination process at the interface. The optimum thickness of the TiO2 compact film prepared by thermal oxidation is thinner than that prepared by spin-coating method. Also, the TiO2 compact film and the TiO2 porous film can be sintered at the same time. This one-step sintering process leads to a lower dark current density, a lower series resistance, and a higher recombination resistance than those of two-step sintering. Therefore, the perovskite solar cell with the TiO2 compact film prepared by thermal oxidation has a higher short-circuit current density and a higher fill factor.

引用

页码：15959 / 15965

页数：7

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