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首页> 外文期刊>RSC Advances >Improved performance of dye-sensitized solar cells upon sintering of a PEDOT cathode at various temperatures
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Improved performance of dye-sensitized solar cells upon sintering of a PEDOT cathode at various temperatures

机译：在各种温度下烧结染色阴极时染料敏化太阳能电池的性能

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摘要

Poly(3,4-ethylenedioxythiophene) (PEDOT) thin films have attracted considerable attention as cathodes for dye-sensitized solar cells (DSSCs) due to their air-stable, light-weight and conductive nature. To demonstrate their thermal stability as cathodes, PEDOT thin films coated via electrochemical polymerization on fluorine doped tin oxide (FTO) plates were sintered at different temperatures (50, 100, 150, 200, and 300 °C) for 1 h and a comparison was made with the as-prepared PEDOT thin films. We observed a negative temperature coefficient effect up to 200 °C along with lower surface roughness upon increasing the sintering temperature. Dye solar cells were fabricated using PEDOT thin films (sintered at different temperatures) and as-prepared PEDOT cathodes, and their respective performances were studied. The results showed increased efficiency with the increase in sintering temperatures of the cathode up to 200 °C ( η = 4.33%) under the present experimental conditions. Cathodes sintered at 300 °C had poor electrochemical behavior and J – V performance, which may be due to polymer degradation.
机译：聚（3,4-亚乙二氧基噻吩）（PEDOT）薄膜由于其空气稳定，轻质和导电性而引起了染料敏化太阳能电池（DSSCs）的阴极的显着关注。为了证明它们作为阴极的热稳定性，在不同温度（50,100,150,200和300℃）的不同温度下烧结通过电化学聚合涂覆的电化学聚合涂覆的PEDot薄膜烧结1小时并进行比较用AS准备的佩特薄膜制成。在增加烧结温度时，我们观察到最高可达200​​°C的负温度系数效果高达200°C的表面粗糙度。使用PEDOT薄膜（在不同温度下烧结）和制备的佩特阴极制造染料太阳能电池，研究了它们各自的性能。结果表明，在本实验条件下，阴极的烧结温度的增加升高至200℃（η= 4.33％）。在300℃下烧结的阴极具有差的电化学行为和J - V性能，这可能是由于聚合物降解。

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