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A Nanocomposite Gel Electrolyte Made by the Sol-Gel Route for a Solid-State Dye-Sensitized Photoelectrochemical and Electrochromic Cells

Published online by Cambridge University Press:  01 February 2011

Boris Orel ,
Urska Lavreněiě Štangar ,
Angela Šurca Vuk ,
Panagiotis Lianos  and
Philippe Colomban
Boris Orel
Affiliation:
National Institute of Chemistry, Hajdrihova 19, SI - 1000 Ljubljana, Slovenia
Urska Lavreněiě Štangar
Affiliation:
National Institute of Chemistry, Hajdrihova 19, SI - 1000 Ljubljana, Slovenia
Angela Šurca Vuk
Affiliation:
National Institute of Chemistry, Hajdrihova 19, SI - 1000 Ljubljana, Slovenia
Panagiotis Lianos
Affiliation:
Engineering Science Department, University of Patras, 26500 Patras, Greece
Philippe Colomban
Affiliation:
LADIR UMR 7075 CNRS & Paris VI University, 2 Rue Henry Dunant, 94320 Thiais, France
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Abstract

This work describes the properties of an organic-inorganic hybrid gel with an incorporated I-/I3-redox couple that serves as a solid electrolyte for a dye-sensitized TiO2 photoelectrochemical (DSPEC) cell with an efficiency of 4% [1]. The influence of the AcOH on the hydrolysis and condensation reactions of the gels was studied with the help of infrared spectroscopy, while the presence and the formation of the I3 - species were established from the UV-visible spectra of the gels and independently evaluated from the confocal micro-resonance Raman spectra of the electrolyte encapsulated in the DSPEC during open- and short-circuit conditions. Finally, the same gel electrolyte was used for the construction of an electrochromic (EC) window without a counter electrode with intercalation properties (transmission and reflective configuration).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 725: Symposium P – Organic and Polymeric Materials and Devices-Optical, Electrical, and Optoelectronic Properties , 2002 , P7.3
Copyright
Copyright © Materials Research Society 2002

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