SCI和EI收录∣中国化工学会会刊

中国化学工程学报 ›› 2023, Vol. 54 ›› Issue (2): 162-172.DOI: 10.1016/j.cjche.2022.04.008

• Full Length Article • 上一篇    下一篇

Nanodiamonds decorated yolk-shell ZnFe2O4 sphere as magnetically separable and recyclable composite for boosting antibiotic degradation performance

Jingjing Pan1, Haoran Sun1, Keyi Chen1, Yuhao Zhang1, Pengnian Shan1, Weilong Shi2,3, Feng Guo1   

  1. 1. School of Energy and Power, Jiangsu University of Science and Technology, Zhenjiang 212003, China;
    2. School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China;
    3. College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
  • 收稿日期:2021-12-15 修回日期:2022-03-06 出版日期:2023-02-28 发布日期:2023-05-11
  • 通讯作者: Weilong Shi,E-mail:shiwl@just.edu.cn;Feng Guo,E-mail:gfeng0105@126.com
  • 基金资助:
    The authors would like to acknowledge the founding support from the National Natural Science Foundation of China (21906072 and 22006057), the Natural Science Foundation of Jiangsu Province (BK20190982), Henan Postdoctoral Foundation (202003013), "Doctor of Mass entrepreneurship and innovation" Project in Jiangsu Province and Open Fund for Hebei Province Key Laboratory of Sustained Utilization & Development of Water Recourse (HSZYL2021003).

Nanodiamonds decorated yolk-shell ZnFe2O4 sphere as magnetically separable and recyclable composite for boosting antibiotic degradation performance

Jingjing Pan1, Haoran Sun1, Keyi Chen1, Yuhao Zhang1, Pengnian Shan1, Weilong Shi2,3, Feng Guo1   

  1. 1. School of Energy and Power, Jiangsu University of Science and Technology, Zhenjiang 212003, China;
    2. School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China;
    3. College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
  • Received:2021-12-15 Revised:2022-03-06 Online:2023-02-28 Published:2023-05-11
  • Contact: Weilong Shi,E-mail:shiwl@just.edu.cn;Feng Guo,E-mail:gfeng0105@126.com
  • Supported by:
    The authors would like to acknowledge the founding support from the National Natural Science Foundation of China (21906072 and 22006057), the Natural Science Foundation of Jiangsu Province (BK20190982), Henan Postdoctoral Foundation (202003013), "Doctor of Mass entrepreneurship and innovation" Project in Jiangsu Province and Open Fund for Hebei Province Key Laboratory of Sustained Utilization & Development of Water Recourse (HSZYL2021003).

摘要: Photocatalysis is an environmentally friendly and energy-saving technology, which can effectively remove persistent dangerous pollutants in the water. Pitifully, optical absorption capacity and carrier separation have become major bottlenecks for marvelous photocatalytic performance of photocatalysts. Herein, to address these issue, Nanodiamonds/yolk-shell ZnFe2O4 spheres (NDs/ZFO) nanocomposites were successfully constructed via a facile two-step of solvothermal and calcination methods. The synthesized optimal NDs/ZFO-10 nanocomposite exhibits superior photocatalytic degradation activity of antibiotic under visible light, approximately 85% of the total tetracycline (TC) is degraded, and this photocatalyst shows durable cycling stability. This stems from two aspects of refinement: improvement of light absorption capacity and photo-induced charges migration and separation. In addition, the NDs/ZFO composite photocatalyst features excellent magnetic recovery capability, facilitating the recovery of photocatalyst in industry. This study opens a new chapter in the combination of NDs with magnetic materials, and deepens the understanding of the application of NDs modified composite photocatalysts.

关键词: Nanodiamonds, ZnFe2O4, Photocatalytic, Heterojunction, Antibiotic degradation

Abstract: Photocatalysis is an environmentally friendly and energy-saving technology, which can effectively remove persistent dangerous pollutants in the water. Pitifully, optical absorption capacity and carrier separation have become major bottlenecks for marvelous photocatalytic performance of photocatalysts. Herein, to address these issue, Nanodiamonds/yolk-shell ZnFe2O4 spheres (NDs/ZFO) nanocomposites were successfully constructed via a facile two-step of solvothermal and calcination methods. The synthesized optimal NDs/ZFO-10 nanocomposite exhibits superior photocatalytic degradation activity of antibiotic under visible light, approximately 85% of the total tetracycline (TC) is degraded, and this photocatalyst shows durable cycling stability. This stems from two aspects of refinement: improvement of light absorption capacity and photo-induced charges migration and separation. In addition, the NDs/ZFO composite photocatalyst features excellent magnetic recovery capability, facilitating the recovery of photocatalyst in industry. This study opens a new chapter in the combination of NDs with magnetic materials, and deepens the understanding of the application of NDs modified composite photocatalysts.

Key words: Nanodiamonds, ZnFe2O4, Photocatalytic, Heterojunction, Antibiotic degradation