期刊
SCIENTIFIC REPORTS
卷 7, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41598-017-02501-w
关键词
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资金
- National Natural Science Foundation of China [51372279]
- Science and Technology Project of Hunan Province of China [2016TP1028]
- Hunan Provincial Natural Science Foundation of China [13JJ1005]
- Shenghua Scholar Program of Central South University
We demonstrated herein that ZnO nanoparticle with sizes in the range of 3-5 nm grown on the surface of halloysite nanotubes (HNTs) could be facile prepared in large quantities through the seed-mediated growth process using ZnAc2 center dot 2H(2)O as the zinc source. Compared with the individually dispersed ZnO nanoparticles, the as-prepared HNTs@ZnO nanocomposites showed a smaller band gap energy and relatively strong light absorption. Therefore, HNTs@ZnO nanocomposites possessed higher photocatalytic activity than individually dispersed ZnO nanoparticles, exhibiting the HNTs@ZnO nanocomposites could be used as highly efficient photocatalysts. The HNTs@ZnO nanocomposites endowed HNTs special performance and improve the catalytic activity of ZnO, which originated from narrow band gap and chemical passivation induced by a negative fixed charge in the HNTs support.
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