Indium tin oxide modified by titanium dioxide nanoparticles dispersed in poly(N-vinylpyrrolidone) for use as an electron-collecting layer in organic solar cells with an inverted structure

被引：4
|
作者：
Shim, Jae Won [1 ]
Cheun, Hyeunseok [1 ]
Dindar, Amir [1 ]
Kim, Yunsang [2 ,3 ]
Zhou, Yinhua [1 ]
Fuentes-Hernandez, Canek [1 ]
Hwang, Do-Kyung [1 ]
Perry, Joseph W. [2 ]
Kippelen, Bernard [1 ]
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, COPE, Atlanta, GA 30332 USA
[2] Georgia Inst Technol, Sch Chem & Biochem, COPE, Atlanta, GA 30332 USA
[3] Georgia Inst Technol, Sch Mat Sci & Engn, COPE, Atlanta, GA 30332 USA
来源：
JOURNAL OF MATERIALS RESEARCH | 2013年 / 28卷 / 03期
基金：
美国国家科学基金会;
关键词：
POLYMER;
D O I：
10.1557/jmr.2012.278
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the photovoltaic properties of polymer solar cells with an inverted structure wherein the electron-collecting electrode comprises an indium tin oxide (ITO) electrode coated with titanium dioxide (TiO2) nanoparticles dispersed into poly(N-vinylpyrrolidone) (PVP). The optimization of performance of polymer solar cells in which the TiO2 concentration in PVP was varied is presented. Pristine solar cells with the TiO2: PVP-coated ITO electrodes showed S-shape current-voltage characteristics. The S-shaped feature disappeared after the continuous exposure of the solar cells to light from an AM 1.5G solar simulator, leading to an improved device performance compared with solar cells that use an ITO or ITO/TiO2 electron-collecting electrodes.
引用
收藏
页码：535 / 540
页数：6
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