The paper first introduces general characteristics of polyoxometalate, then reviews the mechanism of photochromism and generalizes the current researches involving polyoxometalate photochemistry.

• 从多酸的组成和结构入手,探讨了多酸光化学的机理,以及影响光效率的因素;总结了目前多酸光化学的发展及相关的前沿研究。