Calixarene-based titanium oxide cluster compound, preparation method thereof, and application of compound in dye photodegradation

A preparation method of a calixarene-based titanium oxide cluster compound comprises the following steps: adding a ligand H4BTC4A, sodium nitrate and isopropyl titanate into a mixed solution composedof N, N-dimethylacetamide and methanol, uniformly mixing, heating and reacting in a reaction kettle for a period of time to obtain colorless blocky transparent crystals, cleaning, filtering, and airing to obtain the calixarene-based titanium-oxygen cluster compound crystal material. The titanium-oxygen cluster compound crystal material disclosed by the invention is a novel titanium-oxygen clustercompound with a Ti2Na4 core, has good stability and can be stored in air for a long time; the forbidden band width is low; the synthesis method disclosed by the invention is simple and rapid, low in cost, high in yield, high in repeatability and easy for mass production, popularization and use; and the titanium-oxygen cluster compound crystal material disclosed by the invention can drive photodegradation of dye molecules u