Improved Composite Gel Electrolyte by Layered Vermiculite for Quasi-Solid-State Dye-Sensitized Solar Cells | Zendy

Hongcai He | Zendy; Shuangshuang Ren | Zendy; Deting Kong | Zendy; Ning Wang | Zendy

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Improved Composite Gel Electrolyte by Layered Vermiculite for Quasi-Solid-State Dye-Sensitized Solar Cells

Author(s) -

Hongcai He,

Shuangshuang Ren,

Deting Kong,

Ning Wang

Publication year - 2014

Publication title -

advances in condensed matter physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.314

H-Index - 26

eISSN - 1687-8124

pISSN - 1687-8108

DOI - 10.1155/2014/521493

Subject(s) - electrolyte , triiodide , photovoltaic system , dye sensitized solar cell , materials science , quasi solid , iodide , composite number , vermiculite , energy conversion efficiency , chemical engineering , composite material , optoelectronics , inorganic chemistry , chemistry , electrode , ecology , biology , engineering

A composite quasisolid electrolyte is prepared by adding a layered vermiculite (VMT) into the iodide/triiodide electrolyte including 4-tert-butylpyridine, which obviously improves the photovoltaic properties of quasisolid dye-sensitized solar cells (DSSCs). When adding 6 wt% VMT, the maximum photovoltaic conversion efficiency of 3.89% is obtained, which reaches more than two times greater than that without VMT. This enhancement effect is primarily explained by studying the Nyquist spectra, dark currents, and photovoltaic conversion efficiency

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