Scholarlink

<p>A ternary SnO<sub>2</sub>/ZnO/g-C<sub>3</sub>N<sub>4</sub> composite was ingeniously constructed via a facile synthetic strategy. The ternary SnO<sub>2</sub>/ZnO/g-C<sub>3</sub>N<sub>4</sub> composite displays significantly enhanced photocatalytic activity for tetracycline (TC) degradation under visible light irradiation compared to pristine g-C<sub>3</sub>N<sub>4</sub> and the binary ZnO/g-C<sub>3</sub>N<sub>4</sub> counterpart. Pristine g-C<sub>3</sub>N<sub>4</sub> exhibits weak photocatalytic performance with a degradation efficiency of 12%, but remarkably, the optimal SnO<sub>2</sub>/ZnO/g-C<sub>3</sub>N<sub>4</sub> sample achieves 88% tetracycline (TC) removal within 25&#xa0;min, highlighting its promise as a photocatalytic material with great application potential. The remarkable performance is largely due to the synergetic integration of SnO<sub>2</sub> and ZnO, which creates an efficient interfacial charge transfer route. This route significantly enhances the separation and migration of photo-excited charge carriers, and reduces the recombination of photoinduced electron-hole pairs, as supported by photoelectrochemical and photoluminescence measurements. The incorporation of SnO<sub>2</sub> and ZnO also obviously alter the optical absorption property of g-C<sub>3</sub>N<sub>4</sub>. In addition, it can be obtained that superoxide radicals (•O<sub>2</sub><sup>−</sup>) serve as the predominant active species in the photocatalytic degradation process of SnO<sub>2</sub>/ZnO/g-C<sub>3</sub>N<sub>4</sub> composite. This work not only provides a facile strategy for constructing ternary composite photocatalysts with enhanced charge separation efficiency but also offers valuable insights into the rational design of high-performance visible-light-driven photocatalytic systems for the remediation of antibiotic-contaminated water environments, thereby advancing the broader field of environmental photocatalysis.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Fabricating a Ternary SnO2/ZnO/g-C3N4 Composite Material to Boost Photocatalytic Performance for Degradation of Antibiotics

  • 期刊论文

  • 发表日期：

    2026年7月28日

查看全文
  • Huaqiang Zhuang,
  • Yanli Zhang,
  • Liqin Lin,
  • Wentao Xu,
  • Renkun Huang,
  • Shiping Chen,
  • Xiaobin Liu

摘要

A ternary SnO2/ZnO/g-C3N4 composite was ingeniously constructed via a facile synthetic strategy. The ternary SnO2/ZnO/g-C3N4 composite displays significantly enhanced photocatalytic activity for tetracycline (TC) degradation under visible light irradiation compared to pristine g-C3N4 and the binary ZnO/g-C3N4 counterpart. Pristine g-C3N4 exhibits weak photocatalytic performance with a degradation efficiency of 12%, but remarkably, the optimal SnO2/ZnO/g-C3N4 sample achieves 88% tetracycline (TC) removal within 25 min, highlighting its promise as a photocatalytic material with great application potential. The remarkable performance is largely due to the synergetic integration of SnO2 and ZnO, which creates an efficient interfacial charge transfer route. This route significantly enhances the separation and migration of photo-excited charge carriers, and reduces the recombination of photoinduced electron-hole pairs, as supported by photoelectrochemical and photoluminescence measurements. The incorporation of SnO2 and ZnO also obviously alter the optical absorption property of g-C3N4. In addition, it can be obtained that superoxide radicals (•O2−) serve as the predominant active species in the photocatalytic degradation process of SnO2/ZnO/g-C3N4 composite. This work not only provides a facile strategy for constructing ternary composite photocatalysts with enhanced charge separation efficiency but also offers valuable insights into the rational design of high-performance visible-light-driven photocatalytic systems for the remediation of antibiotic-contaminated water environments, thereby advancing the broader field of environmental photocatalysis.