▎ 摘　　要

NOVELTY - Titanium dioxide mesoporous single crystal microsphere type-graphene compound photocatalyst controllable structure comprises titanium dioxide nano wire radial radiation growth assembled mesoporous single crystal microsphere type and uniform graphene compound. USE - The titanium dioxide mesoporous single crystal microsphere type-graphene compound photocatalyst controllable structure is useful for photo-catalytically degrading nitric oxide (claimed). ADVANTAGE - The structure has photoelectric and photocatalytic property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of titanium dioxide mesoporous single crystal microsphere type-graphene compound photocatalyst controllable structure comprising (i) taking titanium sulfate precursor powder, adding deionized water, hydrogen peroxide and concentrated sulfuric acid in a mass ratio of 30:1-3:0.03-1.2, uniformly stirring, adding deionized water and graphene (8.8x 10-4-4.4x 10-3 mol) in a mass ratio of 30 ml:0.21-8.4 mg and ultrasonically stirring, (ii) reacting at 110-150 degrees C for 24-72 hours, washing with ethanol until neutral and drying at 40-70 degrees C for 2-8 hours, and (iii) calcining at 250-350 degrees C for 1-3 hours and cooling to room temperature.