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Nanosystems: Physics, Chemistry, Mathematics, 2016, Volume 7, Issue 4, Pages 732–739
DOI: https://doi.org/10.17586/2220-8054-2016-7-4-732-739 (Mi nano275) 		 
This article is cited in 26 scientific papers (total in 26 papers)

Polyaniline-Titanium dioxide composite as humidity sensor at room temperature

S. Kotresha, Y. T. Ravikirana, H. G. Raj Prakashb, S. C. Vijaya Kumaric

a Department of PG Studies and Research in Physics, Government Science College, Chitradurga 577501, India
b Department of Physics, JNN College of Engineering, Shivamogga 577204, India
c Department of Physics, SJM College of Arts, Science and Commerce, Chitradurga 577501, India
Full-text PDF (495 kB) Citations (26)
DOI: https://doi.org/10.17586/2220-8054-2016-7-4-732-739
Abstract: In the present work, Polyaniline (PANI) and Polyaniline-Titanium dioxide (PANI-TiO$_2$) composite have been synthesized separately by chemical polymerization of aniline without/with TiO$_2$. Characteristic absorption bands of PANI and TiO$_2$ in the composite were confirmed by FTIR studies, indicating the interaction of PANI with TiO$_2$. Comparative study of XRD patterns of PANI and the composite confirmed superficial deposition of PANI on TiO$_2$ and the average size of the composite particle was found to be 25 nm. The aggregated granular porous morphology of the composite was confirmed by its SEM image. The composite's sensing response to humidity at room temperature was tested and was found to be 84.21 % in the range 25 % – 95 % RH. The response and recovery time of the composite at 95 % RH were measured to be 60s and 100s respectively and its sensing stability over a period of one month was also confirmed.
Keywords: polyaniline composites, humidity sensor, sensitivity, stability.
Funding agency Grant number
University Grants Commission 41917/2012 (SR)
The author is thankful to the University Grants Commission, New Delhi, for their financial support provided under major research project (41917/2012 (SR) dated: 23/07/2012), to carry out this work.
Received: 09.02.2016
Revised: 26.04.2016
Bibliographic databases:
Document Type: Article
PACS: 81.07.Pr
Language: English
Citation: S. Kotresh, Y. T. Ravikiran, H. G. Raj Prakash, S. C. Vijaya Kumari, “Polyaniline-Titanium dioxide composite as humidity sensor at room temperature”, Nanosystems: Physics, Chemistry, Mathematics, 7:4 (2016), 732–739
Citation in format AMSBIB
\Bibitem{KotRavRaj16}
\by S.~Kotresh, Y.~T.~Ravikiran, H.~G.~Raj Prakash, S.~C.~Vijaya Kumari
\paper Polyaniline-Titanium dioxide composite as humidity sensor at room temperature
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2016
\vol 7
\issue 4
\pages 732--739
\mathnet{http://mi.mathnet.ru/nano275}
\crossref{https://doi.org/10.17586/2220-8054-2016-7-4-732-739}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000387463500032}
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    • This publication is cited in the following 26 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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