新型光催化剂的发展,可见光和紫外线响应,对于水的分解反应是非常重要的。在这里,我们重点介绍了硼酸盐作为光催化剂在水分解反应中的应用,包括水分解反应,析氢半反应,和氧气释放半反应。此外,总结了这些硼酸盐光催化剂在不同水分解反应中的光催化析氢和析氧速率。Further,综述了用于水分解反应的现有硼酸盐光催化剂的合成化学和结构特点。合成化学主要包括高温固相法,溶胶-凝胶法,沉淀法,水热法,硼酸熔剂法,和高压法。接下来,我们总结了硼酸盐光催化剂的晶体结构,特别关注硼酸盐中B-O单元和金属-氧多面体的形式,用这个来分类硼酸盐光催化剂,这在目前的光催化文献中很少提到。最后,我们分析了硼酸盐光催化剂的结构特点与光催化性能之间的关系,讨论了硼酸盐光催化剂在水分解反应中面临的进一步挑战。
The development of novel photocatalysts, both visible and UV-responsive, for water decomposition reactions is of great importance. Here we focused on the application of the borates as photocatalysts in water decomposition reactions, including water splitting reaction, hydrogen evolution half-reaction, and oxygen evolution half-reaction. In addition, the rates of photocatalytic hydrogen evolution and oxygen evolution by these
borate photocatalysts in different water decomposition reactions were summarized. Further, the review summarized the synthetic chemistry and structural features of existing
borate photocatalysts for water decomposition reactions. Synthetic chemistry mainly includes high-temperature solid-state method, sol-gel method, precipitation method, hydrothermal method, boric acid flux method, and high-pressure method. Next, we summarized the crystal structures of the
borate photocatalysts, with a particular focus on the form of the B-O unit and metal-oxygen polyhedral in the borates, and used this to classify borate photocatalysts, which are rarely mentioned in the current photocatalysis literature. Finally, we analyzed the relationship between the structural features of the
borate photocatalysts and photocatalytic performance to discuss the further challenges faced by the
borate photocatalysts for water decomposition reactions.