Solvent-Free Ionic Liquid Electrolytes for Mesoscopic Dye-Sensitized Solar Cells

被引：384

作者：

Zakeeruddin, Shaik M. ^{[1
]}

Graetzel, Michael ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

来源：

ADVANCED FUNCTIONAL MATERIALS | 2009年 / 19卷 / 14期

基金：

瑞士国家科学基金会;

关键词：

TEMPERATURE MOLTEN-SALT; NANOCRYSTALLINE TIO2 FILMS; SOLID STATE ELECTROLYTE; HIGH-EFFICIENCY; CONVERSION EFFICIENCY; REDOX COUPLE; ORGANIC SENSITIZERS; CHARGE-TRANSPORT; HIGHLY-EFFICIENT; LOW-VISCOSITY;

D O I：

10.1002/adfm.200900390

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ionic liquids have been identified as a new class of solvent that offers opportunities to move away from the traditional solvents. The physical-chemical properties of ionic liquids can be tuned and controlled by tailoring their structures. The typical properties of ionic liquids, such as non-volatility, electrochemical stability and high conductivity, render them attractive as electrolytes for dye-sensitized solar cells. However, the high viscosity of ionic liquids leads to mass transport limitations on the photocurrents in the solar cells at full sunlight intensity, but the contribution of a Grotthous-type exchange mechanism in these viscous electrolytes helps to alleviate these diffusion problems. This article discusses recent developments in the field of high-performance dye-sensitized solar cells with ionic liquid-based electrolytes and their characterization by electrochemical impedance analysis.

引用

收藏

页码：2187 / 2202

页数：16

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