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<p>Despite extensive research on photodegradation using InVO<sub>4</sub> heterojunctions for removing residual pollutants, studies on InVO<sub>4</sub> coupled with metal oxyhalide are limited, especially regarding their application in photodegradation. Thus, investigating the photocatalytic efficiency of InVO<sub>4</sub>/metal oxyhalide heterojunctions is particularly meaningful. Characterizations confirmed that the InVO<sub>4</sub>/Bi<sub>3</sub>O<sub>4</sub>Br-30 catalyst exhibited exceptional photocatalytic performance, achieving a tetracycline removal rate of 71.1% within 270&#xa0;min—significantly outperforming pure InVO<sub>4</sub>. Notably, it showed appreciable activity against multiple residual contaminants (metronidazole, norfloxacin, ciprofloxacin, Rhodamine B, Methylene Blue), demonstrating excellent versatility. HPLC–MS analysis clarified tetracycline’s degradation pathway, revealing that the final photodegradation products primarily consisted of small molecular compounds over time. These findings highlight the potential of InVO<sub>4</sub>/Bi<sub>3</sub>O<sub>4</sub>Br-30 for photocatalytic applications targeting specific antibiotics and dyes in wastewater treatment.</p>

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Facile synthesizing InVO4/Bi3O4Br heterojunction for visible light driven residual antibiotics degradations

  • 期刊论文

  • 发表日期：

    2026年4月11日

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  • Qian Yang,
  • Jiaqi Wei,
  • Xiaojiao Yu,
  • Qian Zhang

摘要

Despite extensive research on photodegradation using InVO4 heterojunctions for removing residual pollutants, studies on InVO4 coupled with metal oxyhalide are limited, especially regarding their application in photodegradation. Thus, investigating the photocatalytic efficiency of InVO4/metal oxyhalide heterojunctions is particularly meaningful. Characterizations confirmed that the InVO4/Bi3O4Br-30 catalyst exhibited exceptional photocatalytic performance, achieving a tetracycline removal rate of 71.1% within 270 min—significantly outperforming pure InVO4. Notably, it showed appreciable activity against multiple residual contaminants (metronidazole, norfloxacin, ciprofloxacin, Rhodamine B, Methylene Blue), demonstrating excellent versatility. HPLC–MS analysis clarified tetracycline’s degradation pathway, revealing that the final photodegradation products primarily consisted of small molecular compounds over time. These findings highlight the potential of InVO4/Bi3O4Br-30 for photocatalytic applications targeting specific antibiotics and dyes in wastewater treatment.