Highly Efficient Dye-Sensitized Solar Cells Using a Composite Electrolyte Consisting of LiI(CH3OH)4-I2, SiO2 Nano-Particles and an Ionic Liquid

Chin. Phys. Lett.

2004, Vol. 21

Issue (9): 1828-1830 DOI:

Original Articles

Highly Efficient Dye-Sensitized Solar Cells Using a Composite Electrolyte Consisting of LiI(CH₃OH)₄-I₂, SiO₂ Nano-Particles and an Ionic Liquid

XUE Bo-Fei;WANG Hong-Xia;HU Yong-Sheng;LI Hong;WANG Zhao-Xiang;MENG Qing-Bo;HUANG Xue-Jie,CHEN Li-Quan;O. Sato;A. Fujishima

Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 Research Laboratory for Optical Science, Kanagawa Academy of Science and Technology, KSP BLDG. EAST 412, Sakado, Kawasaki 213-0012, Japan

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XUE Bo-Fei, WANG Hong-Xia, HU Yong-Sheng et al 2004 Chin. Phys. Lett. 21 1828-1830

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Abstract Solid-state electrolyte LiI(CH₃OH)₄-I₂ is used in dye-sensitized solar cells (DSSCs). The DSSCs using only the LiI(CH₃OH)₄-I₂ electrolyte show very poor performance due to the quick crystal growth of LiI(CH₃OH)₄. In order to improve the performance of DSSCs, we prepare a composite electrolyte by adding SiO₂ nano-particles and an ionic liquid, 1-methyl-3-ethylimidazolium iodide, into the original solid-state electrolyte. High efficiency of 4.3% is achieved by applying this composite electrolyte to DSSCs.

Keywords: 81.05.Lg 81.10.Dn 84.60.Jt

Published: 01 September 2004

PACS:	81.05.Lg	(Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials)
	81.10.Dn	(Growth from solutions)
	84.60.Jt	(Photoelectric conversion)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I9/01828

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	XUE Bo-Fei
	WANG Hong-Xia
	HU Yong-Sheng
	LI Hong
	WANG Zhao-Xiang
	MENG Qing-Bo
	HUANG Xue-Jie
	CHEN Li-Quan
	O. Sato
	A. Fujishima

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