In this work, novel Cu⁺ self-doped CuWO₄/g-C₃N₄ composites were in situ synthesized through a simple hydrothermal method. The CuWO₄ nanoparticles with the size of about 10 nm were dispersed uniformly on the surface of g-C₃N₄ nanosheets. The Fenton-like catalytic results showed that the 30 wt% CuWO₄/g-C₃N₄ composite exhibited the best catalytic activity for the degradation of organic dyes. The enhanced Fenton-like catalytic activity could be ascribed to the promoted redox cycle of Cu⁺/Cu²⁺ in the presence of abundant Cu⁺ as well as the synergistic effect between CuWO₄ and g-C₃N₄ in the CuWO₄/g-C₃N₄ composites. In addition, the highly efficient catalysts could be used repeatedly to treat variety of organic pollutants in a wide pH range at room temperature without external energy input (light, electricity and ultrasound). The reactive species quenching experiments showed that singlet oxygen played the major role in the Fenton-like reaction for the degradation of organic dyes. Based on the above results, a possible reaction mechanism was proposed in the Cu⁺ self-doped CuWO₄/g-C₃N₄/H₂O₂ system.

通过简单的水热法原位合成了新颖的Cu ⁺自掺杂CuWO ₄ / gC ₃ N ₄复合材料。将尺寸约10nm的CuWO ₄纳米颗粒均匀地分散在gC ₃ N ₄纳米片的表面上。类似于芬顿的催化结果表明，30 wt％CuWO ₄ / gC ₃ N ₄复合材料表现出对有机染料降解的最佳催化活性。富铜样存在下，增强的芬顿样催化活性可归因于Cu ⁺ / Cu ²⁺的促进的氧化还原循环。⁺以及CuWO ₄ / gC ₃ N ₄复合材料中CuWO ₄和gC ₃ N ₄之间的协同作用。此外，高效催化剂可在室温下在宽pH范围内重复使用，以处理各种有机污染物，而无需外部能量输入（光，电和超声）。反应物种猝灭实验表明，单线态氧在类Fenton反应中起主要作用，降解有机染料。基于以上结果，提出了Cu ⁺自掺杂CuWO ₄ / gC ₃ N ₄ / H中可能的反应机理。₂ O ₂系统。