期刊
SOLAR ENERGY
卷 111, 期 -, 页码 125-134出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2014.10.034
关键词
Dye-sensitized Solar Cell; gamma-Al2O3 nanoparticles; Quasi-solid state electrolyte; Stability
资金
- Regione Piemonte Poli di Innovazione Programme under grant agreement Project FLEXMAT
In this study, we report on the effect of gamma-Al2O3 nanoparticle (NP) addition into liquid electrolyte for Dye-sensitized Solar Cell (DSC) application. gamma-Al2O3 was prepared by a fast ultrasound-assisted sol gel procedure allowing the formation of gamma-Al2O3 crystals with nanometric size and high specific surface area. A quasi-solid state electrolyte was prepared by dispersing 5 wt% of gamma-Al2O3 NPs in commercially available electrolytic solution, and optical and electrical properties were analyzed and compared to the bare liquid electrolyte. DSCs were fabricated exploiting NP-based electrolyte and fully characterized. In comparison with liquid electrolyte-based cells, the quasi-solid ones exhibit the same photovoltaic performances and a noticeable extended stability over the time. (C) 2014 Elsevier Ltd. All rights reserved.
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