Method for photocatalysis of aromatic nitro compound into azobenzene oxide compound

The invention discloses a method for photocatalysis of an aromatic nitro compound into an azobenzene oxide compound, and the method comprises the following steps: adding the aromatic nitro compound and a reducing agent into a metal chalcogenide super-tetrahedron cluster dispersion liquid, and stirring under illumination and nitrogen atmosphere to carry out photocatalytic reduction reaction; the metal chalcogenide super-tetrahedron cluster dispersion liquid is obtained by dispersing metal chalcogenide super-tetrahedron clusters in a solvent; the metal chalcogenide super tetrahedron cluster is [Cd < 1 > Cu < 3 > In < 16 > S < 35 >] < 17->, [Cd < 2 > Cu < 2 > In < 16 > S < 35 >] < 16->, [Cd < 3 > Cu < 1 > In < 16 > S < 35 >] < 15->, [Mn < 1 > Cu < 3 > In < 16 > S < 35 >] < 17->, [Mn < 2 > Cu < 2 > In < 16 > S < 35 >] < 16-> or [Mn < 3 > Cu < 1 > In < 16 > S < 35 >] < 15->. According to the method, the aromatic nitro compound is selectively reduced into the azobenzene oxide compound. 本发明公开了一种光催化芳香硝基化合物为氧化偶氮苯类化合物的