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FTIR spectra of plasticized high molecular weight PVC–LiCF3SO3 electrolytes

FTIR spectra of plasticized high molecular weight PVC–LiCF3SO3 electrolytes Fourier transform infrared spectroscopy studies have been conducted to investigate the interaction among components in a system of high molecular weight polyvinylchloride (PVC)–lithium trifluoromethanesulfonate (LiCF3SO3) incorporated with different type of plasticizers, namely, ethylene carbonate (EC), propylene carbonate (PC), and dibutylphthalate (DBP). Interaction between PVC and LiCF3SO3 was confirmed by C–H rocking mode at 1,255 cm−1 for PVC shift to 1,252 cm−1 in PVC–LiCF3SO3. The plasticizers’ carbonyl (C=O) oxygen atom which carries lone pair electrons interact with Li+ of LiCF3SO3 and methine hydrogen of PVC in LiCF3SO3–plasticizer system and PVC–plasticizer system, respectively. Changes in peaks assigned to 1,264 cm−1 (ν as(SO3)), 1,033 cm−1 (ν s(SO3)), 1,181 cm−1 (ν as(CF3)), 1,230 cm−1 (ν s(CF3)), 765 cm−1 (δ s(CF3)), 644 cm−1 (δ s(SO3)), 578 cm−1 (δ as(CF3)), and 519 cm−1 (δ as(SO3)) indicate the occurrence of complexation in the PVC–LiCF3SO3 system, LiCF3SO3–plasticizer system, and PVC–LiCF3SO3–plasticizer system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ionics Springer Journals

FTIR spectra of plasticized high molecular weight PVC–LiCF3SO3 electrolytes

Ramesh, S.; Yi, Lim
Ionics , Volume 15 (4) – Sep 30, 2008
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References (13)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Chemistry; Electrochemistry; Renewable and Green Energy; Optical and Electronic Materials; Condensed Matter Physics; Energy Storage
ISSN
0947-7047
eISSN
1862-0760
DOI
10.1007/s11581-008-0279-z
Publisher site
See Article on Publisher Site

Abstract

Fourier transform infrared spectroscopy studies have been conducted to investigate the interaction among components in a system of high molecular weight polyvinylchloride (PVC)–lithium trifluoromethanesulfonate (LiCF3SO3) incorporated with different type of plasticizers, namely, ethylene carbonate (EC), propylene carbonate (PC), and dibutylphthalate (DBP). Interaction between PVC and LiCF3SO3 was confirmed by C–H rocking mode at 1,255 cm−1 for PVC shift to 1,252 cm−1 in PVC–LiCF3SO3. The plasticizers’ carbonyl (C=O) oxygen atom which carries lone pair electrons interact with Li+ of LiCF3SO3 and methine hydrogen of PVC in LiCF3SO3–plasticizer system and PVC–plasticizer system, respectively. Changes in peaks assigned to 1,264 cm−1 (ν as(SO3)), 1,033 cm−1 (ν s(SO3)), 1,181 cm−1 (ν as(CF3)), 1,230 cm−1 (ν s(CF3)), 765 cm−1 (δ s(CF3)), 644 cm−1 (δ s(SO3)), 578 cm−1 (δ as(CF3)), and 519 cm−1 (δ as(SO3)) indicate the occurrence of complexation in the PVC–LiCF3SO3 system, LiCF3SO3–plasticizer system, and PVC–LiCF3SO3–plasticizer system.

Journal

Ionics – Springer Journals

Published: Sep 30, 2008

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