The Cover Feature shows how brookite in TiO₂ mixed phases has a positive effect on the photocatalytic degradation of the emerging contaminant N‐phenylurea under solar light. When different sol‐gel methods were used to produce mesoporous TiO₂ with different phase composition, a template‐free green synthesis at acidic pH allowed obtaining high brookite content TiO₂, with fair photocatalytic activity under either UV or simulated solar light (1 Sun). The activity of a low surface area (ca. 30 m² g^‐1) sample obtained by such procedure showed that heterojunctions between closely interconnected mixed phases, rather than surface area, improve TiO₂ photocatalytic activity, likely due to the stabilization of photogenerated e^‐/h⁺ pairs. More information can be found in the Full Paper by Francesca S. Freyria et al.

中文翻译：

---

封面特征：板钛矿相对光催化活性的N-苯基脲降解的不同纳米结构TiO2相性能的影响（ChemistryOpen 9/2020）

覆盖特征表明，在太阳光下，TiO ₂混合相中的板钛矿如何对新兴污染物N-苯基脲的光催化降解产生积极影响。当使用不同的溶胶-凝胶法生产具有不同相组成的介孔TiO ₂时，在酸性pH下无需模板即可进行绿色合成，从而可以获得高板钛矿含量的TiO ₂，在紫外线或模拟太阳光（1个阳光）下均具有良好的光催化活性。 。通过这种方法获得的低表面积（约30 m ² g ^-1）样品的活性表明，紧密相连的混合相之间的异质结而不是表面积改善了TiO ₂光催化活性，可能是由于光生e的稳定化^- / H ⁺对。可以在Francesca S. Freyria等人的论文全文中找到更多信息。