Improving Performance of Dye Sensitized Solar Cells Based On Composite Quasi Solid-State Electrolytes of Poly (ionic liquid) / Ionic liquid / TiO2

IF 0.7 4区材料科学 Q4 ELECTROCHEMISTRY

Journal of New Materials For Electrochemical Systems Pub Date : 2021-12-31 DOI:10.14447/jnmes.v24i4.a06

A. Benabdellah, K. Negadi, Y. Chaker, B. Fetouhi, M. Debdab, H. Bélarbi, M. Hatti

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引用次数: 0

Abstract

Composite gel electrolytes of poly(IL) /IL/TiO 2 containing poly [1-(hydroxyethyl)-3-vinylimidazolium hydrogen sulfate] (poly [EtOHVIM ⁺ ][HSO 4 ⁻ ]) as Poly(IL), 1-butyl-3-methyl- imidazolium hexafluorophosphate ([BMIM] PF 6 ) as IL and Titanium Dioxide (TiO 2 ) are prepared for dye-sensitized solar cells (DSSCs), without any volatile organic solvent. The performance of most (DSSCs) based on TiO 2 was limited by the low electron mobility within TiO 2 . To produce a much higher power conversion efficiency performance and better long-term stability of the composite electrolyte without TiO 2 , a proper amount of TiO 2 was added. Overall power conversion efficiency of 7.46% under simulated AM 1.5 solar spectrum irradiation for (DSSCs) based on the composite electrolytes were showed. This type of composite electrolytes had long-term stability of the (DSSCs), could overcome the drawbacks of volatile liquid electrolytes, and offer a feasible method to fabricate (DSSCs) in future practical applications.

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基于聚(离子液体)/离子液体/ TiO2复合准固态电解质提高染料敏化太阳能电池性能

制备了以聚[1-(羟乙基)-3-乙烯基咪唑硫酸氢](聚[EtOHVIM +][hso4 -⁻])为聚(IL)， 1-丁基-3-甲基-咪唑六氟磷酸([BMIM] PF 6)为IL和二氧化钛(tio2)为IL的聚(IL) /IL/ tio2复合凝胶电解质，用于染料敏化太阳能电池(DSSCs)，不含任何挥发性有机溶剂。大多数基于二氧化钛的DSSCs的性能受到二氧化钛内部电子迁移率低的限制。为了使复合电解质在不添加tio2的情况下具有更高的功率转换效率和更好的长期稳定性，需要添加适量的tio2。在模拟AM - 1.5太阳光谱照射下，复合电解质(DSSCs)的总功率转换效率为7.46%。该复合电解质具有长期稳定性，克服了液体电解质易挥发的缺点，为DSSCs的制备提供了一种可行的方法。

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来源期刊

Journal of New Materials For Electrochemical Systems ELECTROCHEMISTRY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

1.90

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： This international Journal is intended for the publication of original work, both analytical and experimental, and of reviews and commercial aspects related to the field of New Materials for Electrochemical Systems. The emphasis will be on research both of a fundamental and an applied nature in various aspects of the development of new materials in electrochemical systems.