Enhanced DSSC performance with tri-pyridine-ruthenium heteropolytungstate

被引：4

作者：

Shan, Chun-Hui ^{[1
]}

Sang, Xiao-Jing ^{[1
]}

Zhang, Hong ^{[1
]}

Li, Jian-Sheng ^{[1
]}

Chen, Wei-Lin ^{[1
]}

Su, Zhong-Min ^{[1
]}

Wang, En-Bo ^{[1
]}

机构：

[1] NE Normal Univ, Dept Chem, Key Lab Polyoxometalate Sci, Minist Educ, Changchun 130024, Jilin, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2014年 / 50卷

基金：

中国国家自然科学基金;

关键词：

Polyoxometalate; Pyridine ruthenium; TiO2; Dye-sensitized solar cell; SENSITIZED SOLAR-CELLS; POLYOXOMETALATE; RECOMBINATION; PHOTOANODE;

D O I：

10.1016/j.inoche.2014.10.004

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

In this paper, we load TiO2 on the surface of the tri-pyridine-ruthenium heteropolytungstate [Ru(bipy)(3)](2)[SiW12O40]center dot 2C(2)H(5)OH center dot 8H(2)O (1), which is mixed with P25 powder to get photoanode material and then adsorb N719 dyes to assemble a dye-sensitized solar cell. It is important that the performance of the DSSCs with 1-doped TiO2 (1 @ TiO2) is superior to ones with H4SiW12O40-doped TiO2 ({SiW12) @ TiO2), although their photoelectric conversion efficiencies are both higher than pure P25-based cells. The investigation of the EIS shows that 1 @ TiO2 can restrain charge recombination and doping the transition metal ruthenium improves the performance of the cell. The photovoltaic performance of the cell is enhanced and the short-circuit photocurrent density (J(sc)) is as high as 16.272 mA cm(-2), which is 20.4% higher than pure P25-based cells and 4.4% higher than the {SiW12} @ TiO2-based cells under simulated AM 1.5 irradiation. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：13 / 16

页数：4

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