Preparation method and application of porphyrin J-aggregate

The invention provides a preparation method of a porphyrin J-aggregate, and belongs to the technical field of molecular assembly and catalysis, the prepared porphyrin J-aggregate has excellent visible light response and photochemical conversion properties, and can realize efficient regeneration of NADH in the absence of noble metal electron mediators and cocatalysts. The preparation method comprises: 1) preparing a porphyrin solution, 2) preparing a metal chloride solution, 3) mixing the metal chloride solution and the porphyrin solution, adjusting the pH value, and assembling to obtain a porphyrin J-aggregate, and 4) applying the porphyrin J-aggregate to photocatalytic NADH conversion. The porphyrin J-aggregate prepared by the invention has high stability and catalytic activity, and is beneficial to commercial popularization and application. 本发明提出一种卟啉J-聚集体的制备方法，属于分子组装及催化技术领域，所制备的卟啉J-聚集体具有优异的可见光响应和光化学转化性质，在没有贵金属电子介体和助催化剂存在时，能够实现NADH的高效再生。所述制备方法包括：1)配制卟啉溶液，2)配制金属氯化物溶液，3)金属氯化物溶液与卟啉溶液混合，调节pH，使其组装得到卟啉J-聚集体，4)将卟啉J