A dye-sensitized solar cell based on platinum nanotube counter electrode with efficiency of 9.05%

被引：72

作者：

Wu, Jihuai ^{[1
]}

Tang, Ziying ^{[1
]}

Huang, Yunfang ^{[1
]}

Huang, Miaoliang ^{[1
]}

Yu, Haijun ^{[1
]}

Lin, Jianming ^{[1
]}

机构：

[1] Huaqiao Univ, Inst Mat Phys Chem, Minist Educ, Engn Res Ctr Environm Friendly Funct Mat, Quanzhou 362021, Fujian, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2014年 / 257卷

基金：

中国国家自然科学基金;

关键词：

Dye-sensitized solar cell; Platinum nanotubes; Polycarbonate template method; Counter electrode; LOW-COST; TIO2; ARRAYS; FABRICATION; GRAPHENE; BEHAVIOR; FILMS;

D O I：

10.1016/j.jpowsour.2014.01.090

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Platinum nanotubes (PNTs) are directly grown on fluorine-doped tin oxide substrates by a facile polycarbonate template method. Morphology observation and electrochemical measurements indicate that the PNTs show a one-dimensional structure, lower charge-transfer resistance, larger exchange current density and higher electrocatalytic activity for iodide/triiodide redox reaction. Using the PNT as counter electrode and MgO as block layer on TiO2 film, the fabricated dye-sensitized solar cell achieves a light-toelectric energy conversion efficiency of 9.05% under a simulated solar light irradiation of 100 mW cm(-2), the efficiency is increased by 25.5% compared to that of DSSC based on conventional Pt counter electrode. Higher efficiency for the PNT electrode is due its one-dimensional nanostructure, large surface area and good electrochemical activity to iodide/triiodide couple. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：84 / 89

页数：6

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