Journal
POLYMER-PLASTICS TECHNOLOGY AND MATERIALS
Volume 59, Issue 13, Pages 1429-1446Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/25740881.2020.1744011
Keywords
CeO2; GO; PVDF; NH3 sensing; chemiresistive sensors
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In this work, novel room temperature (RT) ammonia (NH3) sensors comprising graphene oxide (GO) integrated polyvinylidenefluoride (PVDF)/cerium oxide (CeO2) nanocomposite films have been prepared via simple solution casting technique. The structural and morphological characteristics of flexible tertiary PVDF/CeO2/GO nanocomposite films have been investigated using various analytical techniques and their NH3 gas-sensing performance was evaluated at RT and the relevant sensing mechanism was established. The flexible PVDF/CeO2/GO nanocomposite films responded strongly to NH3 gas with enhanced gas sensing properties at RT as compared with various other volatile organic compounds (VOCs) such as acetone, ethanol, formaldehyde and toluene.
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