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<p>In this work, the different shaped CoSn(OH)<sub>6</sub> nanocrystallines were prepared by hydrothermal method. The morphology, microstructure, and composition of the prepared nanocrystallines were characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and other methods. The optical properties of CoSn(OH)<sub>6</sub> nanocrystallines with different morphologies were analyzed using UV–vis DRS. With the reduction of 4-nitrophenol as a model reaction, the photocatalytic performance of CoSn(OH)<sub>6</sub> nanocrystallines with the different morphologies was investigated. The results show that the CoSn(OH)<sub>6</sub> nanorings significantly improved the photocatalytic reduction 4-nitrophenol performance. The conversion rate of 4-nitrophenol reached 94% within 6 min. Finally, a potential mechanism for the photocatalytic process of CoSn(OH)<sub>6</sub> nanorings is discussed.</p>

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Morphology-controlled synthesis of CoSn(OH)6 nanocrystallines for enhanced photocatalytic reduction of 4-nitrophenol

  • 期刊论文

  • 发表日期：

    2025年2月7日

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  • Enlei Zhang,
  • Jiaojiao Chen,
  • Rui Xu,
  • Xiaowen Song,
  • Bengui Zhang,
  • Guosheng Wang

摘要

In this work, the different shaped CoSn(OH)6 nanocrystallines were prepared by hydrothermal method. The morphology, microstructure, and composition of the prepared nanocrystallines were characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and other methods. The optical properties of CoSn(OH)6 nanocrystallines with different morphologies were analyzed using UV–vis DRS. With the reduction of 4-nitrophenol as a model reaction, the photocatalytic performance of CoSn(OH)6 nanocrystallines with the different morphologies was investigated. The results show that the CoSn(OH)6 nanorings significantly improved the photocatalytic reduction 4-nitrophenol performance. The conversion rate of 4-nitrophenol reached 94% within 6 min. Finally, a potential mechanism for the photocatalytic process of CoSn(OH)6 nanorings is discussed.