The heterogeneous photocatalysis using semiconductor nanocrystals is an important process in the field of water treatment since it is a low cost, environmentally friendly, and zero waste technique. In this work, titanate nanostructures (sheets, tubes, and wires) were prepared by simple hydrothermal method. All samples were characterized by X-ray diffraction, transmission electron microscopy, Brunauer–Emmett–Teller surface area analysis, and Zetasizer. The results revealed that tuning the morphology of TiO2 changed the activity of the prepared nanostructures, where titanate nanowires exhibited the highest photocatalytic activity toward crystal violet dye, reaching 100% at pH 3 under ultraviolet illumination for 35 min.

中文翻译：

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钛酸盐纳米结构对结晶紫光催化降解的形态学影响

使用半导体纳米晶体的多相光催化是水处理领域的一个重要过程，因为它是一种低成本、环境友好和零浪费的技术。在这项工作中，钛酸盐纳米结构（片、管和线）是通过简单的水热法制备的。所有样品均通过 X 射线衍射、透射电子显微镜、Brunauer-Emmett-Teller 表面积分析和 Zetasizer 进行表征。结果表明，调整 TiO2 的形貌改变了制备的纳米结构的活性，其中钛酸盐纳米线对结晶紫染料表现出最高的光催化活性，在紫外线照射 35 分钟的 pH 值为 3 时达到 100%。