Photoelectrochemical studies of the junction between poly[3-(4-octylphenyl)thiophene] and a redox polymer electrolyte
Photoelectrochemical studies of the junction between poly[3-(4-octylphenyl)thiophene] and a redox polymer electrolyte
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DOI：
10.1016/s0927-0248(97)00213-4
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发表时间：
1998-02
影响因子：
6.9
通讯作者：
T. Yohannes;O. Inganäs
中科院分区：
文献类型：
--
作者：
T. Yohannes;O. Inganäs
研究了由共轭聚合物聚[3-（4-辛基苯基）噻吩]和无定形聚氧化乙烯与碘/三碘氧化还原电对复合而成的全固态光电化学电池的光电化学性能。为了开发柔性光电化学电池，我们使用了透明的聚合物金属，掺杂的聚（3，4-乙撑二氧噻吩），作为对电极。结果表明，聚（3，4-乙撑二氧噻吩）改善了铟锡氧化物和碘/三碘氧化还原对之间的电荷转移。研究了其光谱响应、光电流时间、开路电压和短路电流与光强的关系。所获得的光子到电子的转换效率低。光电流和光电压依赖于光强度的研究表明激子复合和/或陷阱的限制因素。
The photoelectrochemical properties of all-solid-state photoelectrochemical cell constructed from a conjugated polymer poly[3-(4-octylphenyl)thiophene] and an amorphous poly(ethylene oxide) complexed with iodide/triiodide redox couple were studied. In order to develop flexible photoelectrochemical cells, we have used a transparent polymeric metal, doped poly(3,4-ethylenedioxythiophene), as a counter electrode. It was shown that poly(3,4-ethylenedioxythiophene) improved the charge transfer between indium tin-oxide and iodide/triiodide redox couple. The spectral response, photocurrent time, and open-circuit voltage and short-circuit current dependence on light intensity have been studied. The photon to electron conversion efficiency obtained was low. The photocurrent and photovoltage dependence studies on light intensity indicate exciton recombination and/or traps as limiting factors.