Effect of the sheet thickness of hierarchical SnO2 on the gas sensing performance

Wenlong Zhang, Wen Zeng, Bin Miao, Zhongchang Wang

    研究成果: Article査読

    18 被引用数 (Scopus)


    A unique hierarchical SnO2 nanoflower was successfully synthesized via a facile one-step hydrothermal method. The nanoflower was analyzed in detail using X ray diffraction, field-emission electron microscope and transmission electron microscope. It was found that the nanoflowers are all assembled from nanosheets. The nanosheet thickness could be precisely controlled by tuning the dosage of NaOH. Gas sensing tests demonstrated that the thickness of the sheet significantly affects the gas sensing performance. The improved gas sensing properties are attributed to the thinned petals as well as their pores and defects. These results show that the thickness and morphology of hierarchical nanostructures affect the functionality of gas sensors.

    ジャーナルApplied Surface Science
    出版ステータスPublished - 2015 11 15

    ASJC Scopus subject areas

    • Surfaces, Coatings and Films

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