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<p>In this work, a novel Fe/ND-CN composite was synthesized by anchoring iron single atoms onto nitrogen-deficient g-C<sub>3</sub>N<sub>4</sub> (ND-CN) using Fe-ZIF-8 as a precursor via calcination. This material served as a photoelectrocatalytic working electrode for U(VI) reduction under light and applied voltage. Remarkably, it achieved near-complete U(VI) removal (99.2%) at pH 5.0. The elucidated mechanism provides a highly efficient technique and theoretical foundation for low-concentration uranium wastewater treatment.</p>

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Efficient photoelectrocatalytic reductive elimination of uranium(VI) using iron single-atom-doped defect-engineered C3N4

  • 期刊论文

  • 发表日期：

    2025年8月21日

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  • Hongling Zhao,
  • Ranjie Fang,
  • Maosong Hu,
  • Jianqiang Luo,
  • Cheng Meng,
  • Shujuan Liu,
  • Jianguo Ma

摘要

In this work, a novel Fe/ND-CN composite was synthesized by anchoring iron single atoms onto nitrogen-deficient g-C3N4 (ND-CN) using Fe-ZIF-8 as a precursor via calcination. This material served as a photoelectrocatalytic working electrode for U(VI) reduction under light and applied voltage. Remarkably, it achieved near-complete U(VI) removal (99.2%) at pH 5.0. The elucidated mechanism provides a highly efficient technique and theoretical foundation for low-concentration uranium wastewater treatment.