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Type: Artigo de periódico
Title: Solid-state photoelectrochemical device using poly(o-methoxy aniline) as sensitizer and an ionic conductive elastomer as electrolyte
Author: Nogueira, AF
Alonso-Vante, N
De Paoli, MA
Abstract: We report on a photoelectrochemical cell based on polymers (electrolyte and sensitizer) and TiO2. Poly(epichlorohydrin-co-ethylene oxide) filled with NaI/I-2 was used as electrolyte and poly(o-methoxy aniline) doped with p-toluenesulfonic (PoAni-TSA) as dye. The short-circuit current and open-circuit voltage obtained with illumination at 120 mW cm(-2) are 12.2 mu A cm(-2) and 0.048 V, respectively, indicating that the ionic conductive elastomer is appropriated for assembling a totally solid device. The monochromatic photon-to-current conversion efficiency decreases from 1.3% to 0.1%, from 410 to 600 nm, respectively, showing that the conducting polymer acts as a dye for TiO2, injecting electrons into its conduction band. (C) 1999 Elsevier Science S.A. All rights reserved.
Subject: photoelectrochemical cell
poly(o-methoxy aniline)
poly(epichlorohydrin-co-ethylene oxide)
titanium dioxide
Country: Suíça
Editor: Elsevier Science Sa
Citation: Synthetic Metals. Elsevier Science Sa, v. 105, n. 1, n. 23, n. 27, 1999.
Rights: fechado
Identifier DOI: 10.1016/S0379-6779(99)00078-8
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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