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<p>This study reports the synthesis of a novel Zn-MOF through the coordination of succinic acid and terephthalic acid as two carboxylate bi-linkers. The synthesized Zn-MOF possesses superior photocatalytic performance in the reduction of highly toxic and unstable hexavalent chromium (Cr(VI)) and the oxidative degradation of harmful Rhodamine B dye under natural sunlight. The incorporation of dual linkers enhances MOF stability and its photodegradation efficiency. The experimental results showed a substantial conversion of Chromium(VI) to the stable Chromium(III), achieving 86.70% reduction within 60&#xa0;min. Additionally, Rhodamine B was degraded via an oxidative pathway, with 93.50% efficiency after 80&#xa0;min. The findings verify that the Zn-MOF facilitates the generation of reactive oxygen species (ROS) under sunlight exposure. This sustainable approach presents a promising strategy for environmental remediation, highlighting the potential of enhanced MOFs in addressing water pollution through environmental friendly chemistry approaches.</p>

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Solar-driven photocatalytic performance of cuboidal Zn-MOF for chromium (VI) reduction and Rhodamine B degradation

  • 期刊论文

  • 发表日期：

    2025年7月2日

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  • Sai P. Katke,
  • Jayashree N. Kudalkar,
  • Ekta P. Asiwal,
  • Suresh D. Pawar

摘要

This study reports the synthesis of a novel Zn-MOF through the coordination of succinic acid and terephthalic acid as two carboxylate bi-linkers. The synthesized Zn-MOF possesses superior photocatalytic performance in the reduction of highly toxic and unstable hexavalent chromium (Cr(VI)) and the oxidative degradation of harmful Rhodamine B dye under natural sunlight. The incorporation of dual linkers enhances MOF stability and its photodegradation efficiency. The experimental results showed a substantial conversion of Chromium(VI) to the stable Chromium(III), achieving 86.70% reduction within 60 min. Additionally, Rhodamine B was degraded via an oxidative pathway, with 93.50% efficiency after 80 min. The findings verify that the Zn-MOF facilitates the generation of reactive oxygen species (ROS) under sunlight exposure. This sustainable approach presents a promising strategy for environmental remediation, highlighting the potential of enhanced MOFs in addressing water pollution through environmental friendly chemistry approaches.