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Characterization of Interactions Among 3-Hydroxypropionitrile/LiI Electrolytes

Wang, Hongxia, Xue, Bofei, Hu, YongSheng, Wang, Zhaoxiang, Meng, Qingbo, Huang, Xuejie, & Chen, Liquan (2004) Characterization of Interactions Among 3-Hydroxypropionitrile/LiI Electrolytes. Electrochemical and Solid-State Letters, 7(10), A302-A305.

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Abstract

Solid electrolyte-based on lithium iodide (LiI) and 3-hydroxypropionitrile (HPN) for dye-sensitized solar cells (DSSCs) has been synthesized. Fourier transform infrared, ac impedance spectroscopy, and differential scanning calorimetry are employed to characterize the properties of the composite. Its conductivity increases with decreasing LiI content. Maximum conductivity of 3.1× 10–3 S cm–1 is obtained at LiI/HPN = 1:4 (molar ratio) at room temperature. Comparison on the interactions of the Li+ ions with the hydroxyl and with the nitrile groups indicates that Li+-nitrile coordination is preferential. A light-to-electricity conversion efficiency of 1.8% at AM 1.5 illumination has been obtained on a DSSC employing this electrolyte. ©2004 The Electrochemical Society. All rights reserved.

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25 citations in Web of Science®

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ID Code: 10373
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see hypertext link) or contact the author.
DOI: 10.1149/1.1789831
ISSN: 1099-0062
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2004 Electrochemical Society
Deposited On: 24 Oct 2007
Last Modified: 15 Jan 2009 17:51

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