Synthesis and characterization of CuO nanodisks for high-sensitive and selective ethanol gas sensor applications

Ahmad Umar, Jong Heun Lee, Rajesh Kumar, O. Al-Dossary

    Research output: Contribution to journalArticlepeer-review

    26 Citations (Scopus)

    Abstract

    Herein, the fabrication and characterization of highly sensitive and selective ethanol gas sensor based on CuO nanodisks is reported. The CuO nanodisks were synthesized by facile hydrothermal process and detailed characterization revealed the well-crystallinity, high-purity and high density growth of the prepared material. To fabricate the ethanol gas sensor, the prepared nanodisks were coated on alumina substrate. The fabricated sensor exhibited high-sensitivity and the recorded gas response (resistance-ratio), response time by (τres) and recovery time (τrecov) were 6.2, 119 and 35 s, respectively for 100 ppm of C2H5OH at 300 °C. Further, the fabricated sensor shows high selectivity towards ethanol gas compared to H2 and CO gases.

    Original languageEnglish
    Pages (from-to)1455-1459
    Number of pages5
    JournalJournal of Nanoscience and Nanotechnology
    Volume17
    Issue number2
    DOIs
    Publication statusPublished - 2017

    Bibliographical note

    Publisher Copyright:
    Copyright © 2017 American Scientific Publishers All rights reserved.

    Keywords

    • CuO nanodisks
    • Ethanol
    • Gas sensor
    • Hydrothermal

    ASJC Scopus subject areas

    • Bioengineering
    • General Chemistry
    • Biomedical Engineering
    • General Materials Science
    • Condensed Matter Physics

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