Construction of 3D hierarchical SnO2 microspheres from porous nanosheets towards NO decomposition

Thi Hang Le, Quang Duc Truong, Takeshi Kimura, Huihui Li, Chongsen Guo, Shu Yin, Tsugio Sato, Yong Chien Ling

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)


    Three-dimensional (3D) hierarchical architectures are currently attracting worldwide interest owing to their fascinating morphology-dependent properties and potential applications. Herein we constructed SnO2 microspheres with 3D hierarchical flower-like architectures self-assembled with porous SnS2 nanosheets by a facile hydrothermal method with subsequent calcination. The chemical and physical properties as well as photocatalytic application of SnO2 microspheres were investigated. The size and morphology were examined with scanning electron microscopy and transmission electron microscopy. The phase and crystalline structure were determined with powder X-ray diffraction. The UV-Vis absorption property was determined with UV-Vis diffuse reflectance. The photocatalytic activities were evaluated with nitrogen monoxide (NO) decomposition under UV-Vis light irradiation. The effects of calcination temperature on morphology and NO decomposition were also studied.

    Original languageEnglish
    Pages (from-to)29-35
    Number of pages7
    JournalSolid State Sciences
    Publication statusPublished - 2013 Jan


    • Hierarchical structure
    • Hydrothermal method
    • Morphology
    • NO decomposition

    ASJC Scopus subject areas

    • Chemistry(all)
    • Materials Science(all)
    • Condensed Matter Physics


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