Tuning the morphology of ZnO nanoparticles by Zn-clusters and application on the photoreduction of Cr(VI) |
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| Institution: | 1. College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, China Three Gorges University, Yichang, PR China;2. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi''an, 710069 Shaanxi, PR China |
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| Abstract: | The ZnO nanoparticles in a uniformed size have been applied as the photocatalysts over the reduction of Cr(VI). The morphologies of the ZnO nanoparticles are decided by the cluster type of mother sample Zn-MOFs, which are prepared with the same bi-ligands 1,3,5-benzenetricarboxylic acid (H3BTC) and phenanthroline (phen) in the presence of Zn ions. The SEM, TEM, infrared spectroscopy, thermogravimetric analysis and UV–vis study reveal the physical properties and structural information of ZnO nanoparticles. The reduction rate of Cr(VI) under the UV light irradiation indicates that the ZnO nanoparticles have higher activities with promoting reduction rate comparing with the related Zn-MOFs. The test of photocurrent approves the reduction ability of each sample. |
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| Keywords: | Zn-clusters Hydrothermal synthesis Photoreduction Derived ZnO Cr (VI) |
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