Ionic liquid-based electrolyte solidified with SiO2 nanoparticles for dye-sensitized solar cells

被引：47

作者：

Berginc, M. ^{[1
]}

Hocevar, M. ^{[1
]}

Krasovec, U. Opara ^{[1
]}

Hinsch, A. ^{[2
]}

Sastrawan, R. ^{[2
]}

Topic, M. ^{[1
]}

机构：

[1] Univ Ljubljana, Fac Elect Engn, Ljubljana 1000, Slovenia

[2] Fraunhofer Inst Solar Energy Syst ISE, D-79110 Freiburg, Germany

来源：

THIN SOLID FILMS | 2008年 / 516卷 / 14期

关键词：

dye-sensitized solar cell; ionic liquid; electrolyte; nanoparticle; charge transport;

D O I：

10.1016/j.tsf.2007.06.079

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The performance of dye-sensitized solar cells (DSSC) based on the propyl-methyl-imidazolium iodide (PMII) ionic liquid (IL) with and without the addition of SiO2 nanoparticles is studied. Results confirm that the presence of SiO2 nanoparticles in PMII electrolyte improves the charge transport of iodide/tri-iodide redox couple in the electrolyte and consequently increases the efficiency of DSSC up to 20%, relatively. Short circuit current density (J(SC)) of the DSSC under illumination may be limited by the charge transport of the redox couple in the IL-based electrolytes and a theoretical maximum of J(SC) can be evaluated from the cyclic voltammetry measurements of simple symmetric cells (TCO-Pt//electrolyte//Pt-TCO). The results show a strong temperature dependence of the DSSC performance if the PMII/I-2-based electrolytes are used. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：4645 / 4650

页数：6

共 14 条

[1]

BERGINC M, 2007, ENERGY MAT SOL CELLS, V91, P821

[2]

CALLISTER WD, 2005, FUNDAMENTALS MAT SCI, P164

[3] Diffusion in the electrolyte and charge-transfer reaction at the platinum electrode in dye-sensitized solar cells [J].