Polymer-TiO2 solar cells:: TiO2\ interconnected network for improved cell performance

被引:60
作者
Oey, CC [1 ]
Djurisic, AB
Wang, H
Man, KKY
Chan, WK
Xie, MH
Leung, YH
Pandey, A
Nunzi, JM
Chui, PC
机构
[1] Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China
[2] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
[3] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
[4] Univ Angers, Lab Proprietes Opt Mat & Applicat, UMR 6136, CNRS, F-49045 Angers, France
关键词
D O I
10.1088/0957-4484/17/3/015
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A titanium dioxide porous network structure was synthesized using a poly(styrene-block-polyethylene oxide) diblock copolymer template. The influence of the titanium precursor concentration and annealing temperature on the obtained morphology was studied. Heterojunction solar cells consisting of TiO2 porous network structure and poly(2-methoxy-5-(2-ethyl-hexyloxy)-p-phenylene vinylene) (MEH-PPV) were fabricated. The influence of the MEH-PPV layer thickness and device architecture on the solar cell performance was investigated. For an optimized device structure, a short-circuit current as high as 3.3 mA cm(-2) is obtained under simulated solar illumination with an air mass AM 1.5 filter. The improved higher short-circuit current compared to other reports on MEH-PPV/TiO2 heterojunction cells can be attributed to improved morphology of the TiO2 layer.
引用
收藏
页码:706 / 713
页数:8
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