Composite of ZnO spheres and functionalized SnO2 nanofibers with an enhanced ethanol gas sensing properties

Weiwei Guo, Zhongchang Wang

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    Many studies have proven that composite type sensor utilizing two or multiple oxide material could prove to be an effective way to enhance the gas sensing performance. We have fabricated successfully the composite of ZnO spheres and functionalized SnO2 nanofibers as a novel sensing material. The structure and morphology of the samples were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET test. A systematic comparison study reveals an enhanced gas sensing performance for the sensor made of ZnO-SnO2 composite toward ethanol over undecorated ZnO spheres, SnO2 nanofibers. The enhanced gas sensing properties is attributed to the unique hierarchical and n-n heterojunction structures.

    Original languageEnglish
    Pages (from-to)246-249
    Number of pages4
    JournalMaterials Letters
    Volume169
    DOIs
    Publication statusPublished - 2016 Apr 15

    Keywords

    • Semiconductors
    • Sensors
    • SnO
    • Structural
    • ZnO

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanical Engineering
    • Mechanics of Materials

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