Flexible camphor sulfonic acid-doped PAni/α-Fe2O3 nanocomposite films and their room temperature ammonia sensing activity

D. K. Bandgar; S. T. Navale; Y. H. Navale; S. M. Ingole; F. J. Stadler; N. Ramgir; D. K. Aswal; S. K. Gupta; R. S. Mane; V. B. Patil

doi:10.1016/j.matchemphys.2016.12.050

Flexible camphor sulfonic acid-doped PAni/α-Fe₂O₃ nanocomposite films and their room temperature ammonia sensing activity

D. K. Bandgar, S. T. Navale, Y. H. Navale, S. M. Ingole, F. J. Stadler, N. Ramgir, D. K. Aswal, S. K. Gupta, R. S. Mane, V. B. Patil^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

Abstract

Composite nanostructures play a crucial role in gas sensing applications owing to their tunable properties and sizes. The main goal of this article is to prepare camphor sulfonic acid (10–50 wt%)-doped PAni/α-Fe₂O₃ (PFC) composite nanostructured films on flexible polyethylene terephthalate (PET) substrate through in-situ polymerization process and study their gas sensing activity towards various gases. Structural and morphological measurements along with gas sensing properties in terms of selectivity, response, stability, and response-recovery times are investigated and reported. The gas selectivity tests of flexible PFC nanostructured composite films are performed towards different gases such as NO₂, NH₃, LPG, CH₃OH, and C₂H₅OH etc., wherein all the flexible PFC (10–50%) films demonstrate a superior selectivity towards NH₃ gas even in the presence of other test gases. Among the different compositions, 30% PFC flexible film exhibits highest response of 72% to 100 ppm NH₃ with good response time of 65 s. The systematic study between PFC flexible nanocomposite films and NH₃ gas is conducted and reported. In addition, the interfacial charge transfer kinetics across NH₃ and PFC film interface was investigated by means of impendence spectroscopy study.

Original language	English
Pages (from-to)	191-197
Number of pages	7
Journal	Materials Chemistry and Physics
Volume	189
DOIs	https://doi.org/10.1016/j.matchemphys.2016.12.050
State	Published - 1 Mar 2017
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V.

Keywords

Flexible films
Gas sensor
Hybrid nanocomposite
Impedance spectroscopy

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

Access to Document

10.1016/j.matchemphys.2016.12.050

Cite this

Bandgar, D. K., Navale, S. T., Navale, Y. H., Ingole, S. M., Stadler, F. J., Ramgir, N., Aswal, D. K., Gupta, S. K., Mane, R. S., & Patil, V. B. (2017). Flexible camphor sulfonic acid-doped PAni/α-Fe₂O₃ nanocomposite films and their room temperature ammonia sensing activity. Materials Chemistry and Physics, 189, 191-197. https://doi.org/10.1016/j.matchemphys.2016.12.050

@article{0c36a9e1ca5c4f388c1ee0aac58f5c1c,

title = "Flexible camphor sulfonic acid-doped PAni/α-Fe2O3 nanocomposite films and their room temperature ammonia sensing activity",

abstract = "Composite nanostructures play a crucial role in gas sensing applications owing to their tunable properties and sizes. The main goal of this article is to prepare camphor sulfonic acid (10–50 wt\%)-doped PAni/α-Fe2O3 (PFC) composite nanostructured films on flexible polyethylene terephthalate (PET) substrate through in-situ polymerization process and study their gas sensing activity towards various gases. Structural and morphological measurements along with gas sensing properties in terms of selectivity, response, stability, and response-recovery times are investigated and reported. The gas selectivity tests of flexible PFC nanostructured composite films are performed towards different gases such as NO2, NH3, LPG, CH3OH, and C2H5OH etc., wherein all the flexible PFC (10–50\%) films demonstrate a superior selectivity towards NH3 gas even in the presence of other test gases. Among the different compositions, 30\% PFC flexible film exhibits highest response of 72\% to 100 ppm NH3 with good response time of 65 s. The systematic study between PFC flexible nanocomposite films and NH3 gas is conducted and reported. In addition, the interfacial charge transfer kinetics across NH3 and PFC film interface was investigated by means of impendence spectroscopy study.",

keywords = "Flexible films, Gas sensor, Hybrid nanocomposite, Impedance spectroscopy",

author = "Bandgar, \{D. K.\} and Navale, \{S. T.\} and Navale, \{Y. H.\} and Ingole, \{S. M.\} and Stadler, \{F. J.\} and N. Ramgir and Aswal, \{D. K.\} and Gupta, \{S. K.\} and Mane, \{R. S.\} and Patil, \{V. B.\}",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier B.V.",

year = "2017",

month = mar,

day = "1",

doi = "10.1016/j.matchemphys.2016.12.050",

language = "English",

volume = "189",

pages = "191--197",

journal = "Materials Chemistry and Physics",

issn = "0254-0584",

}

TY - JOUR

T1 - Flexible camphor sulfonic acid-doped PAni/α-Fe2O3 nanocomposite films and their room temperature ammonia sensing activity

AU - Bandgar, D. K.

AU - Navale, S. T.

AU - Navale, Y. H.

AU - Ingole, S. M.

AU - Stadler, F. J.

AU - Ramgir, N.

AU - Aswal, D. K.

AU - Gupta, S. K.

AU - Mane, R. S.

AU - Patil, V. B.

PY - 2017/3/1

Y1 - 2017/3/1

N2 - Composite nanostructures play a crucial role in gas sensing applications owing to their tunable properties and sizes. The main goal of this article is to prepare camphor sulfonic acid (10–50 wt%)-doped PAni/α-Fe2O3 (PFC) composite nanostructured films on flexible polyethylene terephthalate (PET) substrate through in-situ polymerization process and study their gas sensing activity towards various gases. Structural and morphological measurements along with gas sensing properties in terms of selectivity, response, stability, and response-recovery times are investigated and reported. The gas selectivity tests of flexible PFC nanostructured composite films are performed towards different gases such as NO2, NH3, LPG, CH3OH, and C2H5OH etc., wherein all the flexible PFC (10–50%) films demonstrate a superior selectivity towards NH3 gas even in the presence of other test gases. Among the different compositions, 30% PFC flexible film exhibits highest response of 72% to 100 ppm NH3 with good response time of 65 s. The systematic study between PFC flexible nanocomposite films and NH3 gas is conducted and reported. In addition, the interfacial charge transfer kinetics across NH3 and PFC film interface was investigated by means of impendence spectroscopy study.

AB - Composite nanostructures play a crucial role in gas sensing applications owing to their tunable properties and sizes. The main goal of this article is to prepare camphor sulfonic acid (10–50 wt%)-doped PAni/α-Fe2O3 (PFC) composite nanostructured films on flexible polyethylene terephthalate (PET) substrate through in-situ polymerization process and study their gas sensing activity towards various gases. Structural and morphological measurements along with gas sensing properties in terms of selectivity, response, stability, and response-recovery times are investigated and reported. The gas selectivity tests of flexible PFC nanostructured composite films are performed towards different gases such as NO2, NH3, LPG, CH3OH, and C2H5OH etc., wherein all the flexible PFC (10–50%) films demonstrate a superior selectivity towards NH3 gas even in the presence of other test gases. Among the different compositions, 30% PFC flexible film exhibits highest response of 72% to 100 ppm NH3 with good response time of 65 s. The systematic study between PFC flexible nanocomposite films and NH3 gas is conducted and reported. In addition, the interfacial charge transfer kinetics across NH3 and PFC film interface was investigated by means of impendence spectroscopy study.

KW - Flexible films

KW - Gas sensor

KW - Hybrid nanocomposite

KW - Impedance spectroscopy

UR - https://www.scopus.com/pages/publications/85010868134

U2 - 10.1016/j.matchemphys.2016.12.050

DO - 10.1016/j.matchemphys.2016.12.050

M3 - Article

AN - SCOPUS:85010868134

SN - 0254-0584

VL - 189

SP - 191

EP - 197

JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

ER -