Solid-state composite electrolyte Lil/3-hydroxypropionitrile/SiO2 for dye-sensitized solar cells

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	Solid-state composite electrolyte Lil/3-hydroxypropionitrile/SiO2 for dye-sensitized solar cells
	Wang, HX ; Li, H ; Xue, BF ; Wang, ZX ; Meng, QB ; Chen, LQ
刊名	JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
	2005
卷号	127 期号:17 页码:6394
关键词	PLASTIC-CRYSTAL ELECTROLYTE POLYMER ELECTROLYTES NANOCRYSTALLINE TIO2 PHOTOELECTROCHEMICAL CELLS CHARGE RECOMBINATION EFFICIENT CONDUCTIVITY PERFORMANCE CONVERSION DIFFUSION
ISSN号	0002-7863
通讯作者	Meng, QB (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China.
中文摘要	A new compound, Lil(3-hydroxypropionitrile)2, is reported here. According to its single-crystal structure (C2/c), this compound has 3-D transporting paths for iodine. Further ab initio calculation shows that the activation energy for diffusion of iodine (0.73 eV) is much lower than that of lithium ion (8.39 eV) within the lattice. Such a mono-ion transport feature is favorable as solid electrolyte to replace conventional volatile organic liquid electrolytes used in dye-sensitized solar cells (DSSC). Lil and 3-hydroxypropionitrile (HPN) can form a series of solid electrolytes. The highest ambient conductivity is 1.4 x 10(-3) S/cm achieved for Lil(HPN)(4). However, it tends to form large crystallites and leads to poor filling and contact within porous TiO2 electrodes in DSSC. Such a drawback can be greatly improved by introducing micrometer-sized and nanosized SiO2 particles into the solid electrolyte. It is helpful not only in enhancing the conductivity but also in improving the interfacial contact greatly. Consequently, the light-to-electricity conversion efficiency of 5.4% of a DSSC using Lil(HPN)(4)/15 wt % nano-SiO2 was achieved under AM 1.5 simulated solar light illumination. Due to the low cost, easy fabrication, and relatively high conversion efficiency, the DSSC based on this new solid-state composite electrolyte is promising for practical applications.
收录类别	SCI
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/52750]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Wang, HX,Li, H,Xue, BF,et al. Solid-state composite electrolyte Lil/3-hydroxypropionitrile/SiO2 for dye-sensitized solar cells[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2005,127(17):6394.
APA	Wang, HX,Li, H,Xue, BF,Wang, ZX,Meng, QB,&Chen, LQ.(2005).Solid-state composite electrolyte Lil/3-hydroxypropionitrile/SiO2 for dye-sensitized solar cells.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,127(17),6394.
MLA	Wang, HX,et al."Solid-state composite electrolyte Lil/3-hydroxypropionitrile/SiO2 for dye-sensitized solar cells".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 127.17(2005):6394.