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
收藏
页码：727 / 733
页数：7
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