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Preparation and characterization of LiInO2 nanoparticles (NPs) by a sol-gel method
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HunanSKey Laboratory of Applied Environmental Photocatalysis,Changsha University,Changsha,PR China,HunanSKey Laboratory of Applied Environmental Photocatalysis,Changsha University,Changsha,PR China,HunanSKey Laboratory of Applied Environmental Photocatalysis,Changsha University,Changsha,PR China,HunanSKey Laboratory of Applied Environmental Photocatalysis,Changsha University,Changsha,PR China,HunanSKey Laboratory of Applied Environmental Photocatalysis,Changsha University,Changsha,PR China

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NSFC(51272032) and Natural Science Foundation of Hunan Provincial of China (2016JJ6008) and Scientific Research Fund of Hunan Provincial Education Department(17B029)

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    Abstract:

    LiInO2 nanoparticles (NPs) have been successfully synthesized by a sol-gel method. The structure of the as-synthesized LiInO2 NPs were characterized using X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), and ultraviolet-visible (UV-vis) analysis technologies. The photocatalytic performances of samples were evaluated using the methyl blue (MB) as a model dye pollutant. Additionally, the photocatalytic degradation mechanism for MB of the LiInO2 NPs were also proposed. The results demonstrated that the as-prepared LiInO2 presented a LiFeO2 structure with the uniform size about 50~100 nm. The calcination temperature can severely impact the structure and photocatalytic performance of the LiInO2 NPs. The degradation rate of MB was 92% under simulated sunlight using 300W xenon lamp for 90 min. The trapping experiments of the reactive species showed that the holes played an important role in the process of the MB degradation. The results obtained from this work suggested that the LiInO2 NPs would have potential applications in wastewater treatment.

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[Xiangchao Zhang, Duan Huang, Fang Liu, Kaiqiang Xu, Shiying Zhang. Preparation and characterization of LiInO2 nanoparticles (NPs) by a sol-gel method[J]. Rare Metal Materials and Engineering,2018,47(S2):250~253.]
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History
  • Received:November 27,2017
  • Revised:August 21,2018
  • Adopted:February 01,2018
  • Online: November 01,2018
  • Published: