Novel dye plus solid polymer electrolyte material for optical humidity sensing

被引:40
作者
Somani, P. R. [1 ]
Viswanath, A. K. [1 ]
Aiyer, R. C. [2 ]
Radhakrishnan, S. [3 ]
机构
[1] C MET, Photon & Adv Mat Lab, Pune 411008, Maharashtra, India
[2] Univ Poona, Dept Phys, Pune 411007, Maharashtra, India
[3] Natl Chem Lab, Pune 411008, Maharashtra, India
关键词
Solid polymer electrolyte; Poly(vinyl alcohol); Crystal violet; Relative humidity; Optical humidity sensing;
D O I
10.1016/S1566-1199(01)00014-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Our experimental observations show that certain dyes when incorporated in solid polymer electrolytes (SPE) can serve as an excellent candidates for optical humidity sensing. Crystal violet (CV) have been incorporated in poly(vinyl alcohol) (PVA)/H3PO4, which is known to be a SPE and a good proton conductor. Films of PVA/H3PO4 containing CV dye have been studied for use in optical humidity sensing and the interesting results have been discussed here in this paper. We have also tried to give a mechanism for the changes observed in the optical properties of such films by the variation of humidity. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码:83 / 88
页数:6
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