Improve the Operational Stability of the Inverted Organic Solar Cells Using Bilayer Metal Oxide Structure

被引：20

作者：

Chang, Jingjing ^{[1
]}

Lin, Zhenhua ^{[2
]}

Jiang, Changyun ^{[3
]}

Zhang, Jie ^{[3
]}

Zhu, Chunxiang ^{[2
]}

Wu, Jishan ^{[1
,3
]}

机构：

[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119260, Singapore

[3] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 21期

关键词：

inverted solar cell; metal oxide; ZnO; TiOx; photoinduced degradation; bilayer structure; THIN-FILM TRANSISTORS; INTERFACIAL LAYER; BUFFER LAYER; ZNO; PERFORMANCE; EFFICIENT; MORPHOLOGY;

D O I：

10.1021/am504654m

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Operational stability is a big obstacle for the application of inverted organic solar cells (OSCs), however, less talked about in the research reports. Due to photoinduced degradation of the metal oxide interlayer, which can cause shunts generation and degeneration in ZnO interlayer, a significant degradation of open circuit voltage (V-oc) and fill factor (FF) has been observed by in situ periodic measurements of the device current density voltage (J-V) curves with light illumination. By combining TiOx and ZnO to form bilayer structures on ITO, the photovoltaic performance is improved and the photoinduced degradation is reduced. It was found that the device based on ZnO/TiOx bilayer structure achieved better operational stability as compared to that with ZnO or TiOx interlayer.

引用

页码：18861 / 18867

页数：7

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