Nanostructured ZnO, TiO2, and Composite ZnO/TiO2Films for Application in Dye-Sensitized Solar Cells | Zendy

Myrsini Giannouli | Zendy

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Nanostructured ZnO, TiO₂, and Composite ZnO/TiO₂Films for Application in Dye-Sensitized Solar Cells

Author(s) -

Myrsini Giannouli

Publication year - 2013

Publication title -

international journal of photoenergy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.426

H-Index - 51

eISSN - 1687-529X

pISSN - 1110-662X

DOI - 10.1155/2013/612095

Subject(s) - composite number , materials science , semiconductor , dye sensitized solar cell , energy conversion efficiency , chemical engineering , photovoltaic system , electrolyte , rose bengal , nanotechnology , optoelectronics , composite material , chemistry , electrode , organic chemistry , ecology , engineering , biology

The effects of using composite semiconductor films on the efficiency and stability of dye-sensitized solar cells (DSSCs) were investigated. Four different types of composite ZnO/TiO2 cells were developed and sensitized with the organic molecules Coumarin 343 (C343) and Rose Bengal (RB). A comparative assessment of the different composite cells was conducted, and the photovoltaic performance of single-semiconductor ZnO and TiO2 solar cells was also compared to that of the composite ZnO/TiO2 cells. It was observed that composite cells with ZnO/TiO2 ratio equal to 90/10 have comparable efficiency to single-semiconductor cells and have the advantage of higher stability. The effects of using various multicomponent electrolytes on the efficiency and stability of the ZnO/TiO2 cells were also investigated. It was observed that the combined properties of the materials used in these electrolytes enhance the efficiency of the composite ZnO/TiO2 cells

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