Positive suppression of photocatalytic activity of TiO₂ used for an antireflection film or UV-light protection material is required while maintaining its white color and transmittance of visible light. In this study, TiO₂ nanosheets co-doped with trace amounts of transition metals were synthesized. The photocatalytic activity of the TiO₂ nanosheets for the decomposition of organic compounds was significantly suppressed by doping the Ti sites with 5% metal (Mg:Fe = 2:1). The Fe-Mg-doped nanosheets had low photocatalytic activity and were white.

中文翻译：

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金属掺杂二氧化钛纳米片光催化活性的正抑制

需要积极抑制用于抗反射膜或紫外线保护材料的 TiO ₂的光催化活性，同时保持其白色和可见光的透射率。在这项研究中，合成了与痕量过渡金属共掺杂的TiO ₂纳米片。通过用 5% 的金属 (Mg:Fe = 2:1) 掺杂 Ti 位点，显着抑制了 TiO ₂纳米片对有机化合物分解的光催化活性。Fe-Mg掺杂的纳米片光催化活性低，呈白色。