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Abstract <p>Co<sub>9</sub>S<sub>8</sub> nanotubes were prepared using a template etching method, and subsequently, Cu<sub>3</sub>(MoO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub> were grown in-situ via a hydrothermal method. The optimal composite ratio was determined by adjusting the amount of Co<sub>9</sub>S<sub>8</sub> nanotubes. Characterization using XRD, SEM, TEM, and XPS revealed that the mass ratio of Co<sub>9</sub>S<sub>8</sub> to Cu<sub>3</sub>(MoO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub> was 15.0%, the Cu<sub>3</sub>(MoO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub> material achieved a 75% degradation rate of Tetracycline (TC) and exhibited good cycling stability. Radical scavenging experiments demonstrated that the primary active species involved in the TC degradation process were SO<sub>4</sub><sup><b>•</b>−</sup>, <sup>•</sup>OH, and <sup>1</sup>O<sub>2</sub>. The study demonstrates that the Cu<sub>3</sub>(MoO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub> composite is an efficient PMS activator, significantly enhancing TC removal efficiency.</p>

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Preparation of Co9S8/Cu3(MoO4)2(OH)2 Composite and Its Performance in Activating Peroxymonosulfate for Degradation of Tetracycline

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • Y. Xing,
  • C. Zhang,
  • F. Tian,
  • X. Jin,
  • H. M. A. Javed,
  • G. Ni

摘要

Abstract

Co9S8 nanotubes were prepared using a template etching method, and subsequently, Cu3(MoO4)2(OH)2 were grown in-situ via a hydrothermal method. The optimal composite ratio was determined by adjusting the amount of Co9S8 nanotubes. Characterization using XRD, SEM, TEM, and XPS revealed that the mass ratio of Co9S8 to Cu3(MoO4)2(OH)2 was 15.0%, the Cu3(MoO4)2(OH)2 material achieved a 75% degradation rate of Tetracycline (TC) and exhibited good cycling stability. Radical scavenging experiments demonstrated that the primary active species involved in the TC degradation process were SO4•−, •OH, and 1O2. The study demonstrates that the Cu3(MoO4)2(OH)2 composite is an efficient PMS activator, significantly enhancing TC removal efficiency.