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Fast response and recovery polyaniline montmorillonite reduce graphene oxide polymer nanocomposite material for detection of hydrogen cyanide gas.
Singh, Aparna; Dipak, Pukhrambam; Iqbal, Asif; Samadhiya, Anuradha; Dwivedi, Shailendra Kumar; Tiwari, Dinesh Chandra; Tiwari, Rajendra Kumar; Pandey, Kailash Nath.
Afiliación
  • Singh A; School of Studies in Physics, Jiwaji University, Gwalior, India.
  • Dipak P; Vikrant University, Gwalior, India.
  • Iqbal A; School of Studies in Physics, Jiwaji University, Gwalior, India. pukchaokhuman@gmail.com.
  • Samadhiya A; Department of Physics, School of Sciences, ITM University, Gwalior, India. pukchaokhuman@gmail.com.
  • Dwivedi SK; School of Studies in Physics, Jiwaji University, Gwalior, India.
  • Tiwari DC; School of Studies in Physics, Jiwaji University, Gwalior, India.
  • Tiwari RK; School of Studies in Physics, Jiwaji University, Gwalior, India.
  • Pandey KN; Applied Science and Humanities Department, IPS Group of Colleges, Gwalior, India.
Sci Rep ; 13(1): 8074, 2023 May 18.
Article en En | MEDLINE | ID: mdl-37202389
In the present work, we have developed a polymer based gas sensor. The polymer nanocomposites are synthesized by the chemical oxidative polymerization of aniline with ammonium persulfate and sulfuric acid. The fabricated sensor is able to achieve a sensing response of 4.56% for PANI/MMT-rGO at 2 ppm of hydrogen cyanide (HCN) gas. The sensitivity of the sensors PANI/MMT and PANI/MMT-rGO are 0.89 ppm-1 and 1.1174 ppm-1 respectively. The increase in the sensitivity of the sensor may be due to an increase in the surface area provided by MMT and rGO which provided more binding sites for the HCN gas. The sensing response of the sensor increases as the concentration of the gas exposed increases but saturates after 10 ppm. The sensor recovers automatically. The sensor is stable and can work for 8 months.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Sci Rep Año: 2023 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido
Texto completo
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Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Sci Rep Año: 2023 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido