Quasi-Solid Dye-Sensitized Solar Cells Using PS Microspheres as Pore-Forming Materials in TiO<sub>2</sub> Photoelectrodes

化学工业与工程

Chemcial Industry and Engineering

2017, Vol. 34

Issue (6) :43-50,94 DOI: 10.13353/j.issn.1004.9533.20151035

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Quasi-Solid Dye-Sensitized Solar Cells Using PS Microspheres as Pore-Forming Materials in TiO₂ Photoelectrodes

Chen Si^1,2, Peng Xiao², Feng Yaqing^1,2, Meng Shuxian^1,2

1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China

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Abstract

A novel polymer gel electrolyte was used to improve the short-current density and the overall performance in dye-sensitized solar cells. The polymer gel electrolyte was prepared by mixing 5% PVDF-HFP (poly(vinylidene fluoride-co-hexafluoropropylene)) and 2% TiO₂ nanoparticles. The monodispersed PS microspheres were synthesized by surfactant-free emulsion polymerization. Different photoelectrodes were obtained by adding different content of PS microspheres as pore-forming materials in photoelectrodes. In conclusion, the gel electrolyte is more conducive to the TiO₂ electrodes with more pores, the short current density (J_sc) increased from 12.80 mA·cm^-2 to 13.53 mA·cm^-2. The overall efficiency of DSSC with gel electrolyte and 7.5% PS microspheres as pore-forming material was 6.63%, which was 11.43% higher than the liquid electrolyte under the same test condition.

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	Chen Si
	Peng Xiao
	Feng Yaqing
	Meng Shuxian

Keywords： dye-sensitized solar cells (DSSCs)； PS microspheres； quasi-solid electrolyte； PVDF-HFP

Received 2015-03-23;

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Chen Si, Peng Xiao, Feng Yaqing, Meng Shuxian.Quasi-Solid Dye-Sensitized Solar Cells Using PS Microspheres as Pore-Forming Materials in TiO₂ Photoelectrodes[J] Chemcial Industry and Engineering, 2017,V34(6): 43-50,94

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