Morphology-inspired low-temperature liquefied petroleum gas sensors of indium oxide

Vijaykumar V. Jadhav, Dipak V. Shinde, Supriya A. Patil, Shude Liu, Sandesh U. Mutkule, Mu Naushad, Rajaram S. Mane*, K. N. Hui, Sung Hwan Han

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Low-temperature wet chemical method has been applied to produce indium oxide (In2O3) nanostructures viz. cracked-cubes and the maize-corns which were then employed for their structure, morphology and surface-related measurements and finally envisaged in detection of liquefied petroleum gas (LPG) at different temperatures and concentrations. At 1000 ppm LPG, cracked-cube-based In2O3 sensor demonstrated lower operating temperature (135 °C) and gas sensitivity (44.35%) than the maize-corn-type (155 °C, 36.51%). Except moderate difference in sensitivity there was negligible difference in response and recovery periods.

Original languageEnglish
Pages (from-to)54-58
Number of pages5
JournalScripta Materialia
Volume107
DOIs
StatePublished - 1 Oct 2015
Externally publishedYes

Keywords

  • In<inf>2</inf>O<inf>3</inf>
  • LPG sensors
  • Nanostructures

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