Effect of Annealing Temperature on the Performances and Electrochemical Properties of TiO2 Dye-Sensitized Solar Cells

被引：45

作者：

Xi, Junting ^{[1
,2
]}

Al Dahoudi, Naji ^{[2
,3
]}

Zhang, Qifeng ^{[2
]}

Sun, Yueming ^{[1
]}

Cao, Guozhong ^{[2
]}

机构：

[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China

[2] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA

[3] Al Azhar Univ Gaza, Dept Phys, Gaza, Israel

来源：

SCIENCE OF ADVANCED MATERIALS | 2012年 / 4卷 / 07期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

Dye-Sensitized Solar Cells; Annealing Temperature; Morphology; Surface Area; Impedance Spectroscopy; RUTILE PHASE-TRANSITION; TRANSPORT PROPERTIES; MESOPOROUS TIO2; SOLID-STATE; FILMS; IMPEDANCE; ANATASE; RECOMBINATION; ELECTROLYTE; EFFICIENCY;

D O I：

10.1166/sam.2012.1339

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The influences of thermal annealing on the microstructure, dye-adsorption, surface area, electrical properties and power conversion efficiency of well-crystallized TiO2 photoelectrodes of dye-sensitized solar cells have been systematically investigated. Although the heat treatment of TiO2 photoelectrodes at higher temperatures was found to result in an enhanced electron transport, it was accompanied with a reduced specific surface area and less adsorbed dye molecules. A power conversion efficiency of 5.1 +/- 0.2% was obtained with a negligible deviation for the samples heat-treated at temperatures ranging from 350 degrees C to 600 degrees C.

引用

页码：727 / 733

页数：7

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