4.6 Article

Synthesis and photocatalytic performance of ZnO hollow spheres and porous nanosheets

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SPRINGER
DOI: 10.1007/s10854-015-3738-0

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  1. National Programs for High Technology Research and Development of China (863) [2013AA032202]
  2. National Nature Science Foundation of China [11204104, 61475063, 11254001]
  3. Program for New Century Excellent Talents in University [NCET-130824]
  4. Program for the Development of Science and Technology of Jilin province [201205078, 20110415]

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ZnO hollow spheres and porous nanosheets were prepared by sonochemical deposition approach and hydrothermal method, respectively. Their photodegradation efficiencies for rhodamine B dye aqueous solutions under UV light irradiation were investigated in detail. Compared with ZnO porous nanosheets, the ZnO hollow spheres exhibited a relatively higher photocatalytic activity. Both absorption and photoluminescence results testified that the synergistic effects of absorption capacity and intrinsic defects finally determined the photocatalytic activity of ZnO hollow spheres.

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