▎ 摘　　要

NOVELTY - Preparing hollow sphere graphene oxide carrier comprises (i) spray-drying aqueous dispersion containing aminated nano-silica particles and graphene oxide to obtain composite particles of graphene oxide-coated aminated nano-silica particles, and (ii) etching the resultant by using an acid to removing the aminated nano silica particles in the composite particles. USE - The carrier is useful for preparing photocatalyst (claimed). ADVANTAGE - The carrier: has three-dimensional hollow sphere, improves mass transfer rate, and ensures the active particles, and improves the performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for hollow sphere graphene oxide carrier prepared by the above mentioned method; # hollow sphere graphene carrier comprising photocatalyst comprising hollow spherical graphene carrier and photocatalyst active component supported on hollow spherical graphene carrier is obtained by hydrothermally reducing the hollow spherical graphene oxide carrier; #photocatalyst comprising hollow spherical graphene carrier and photocatalyst active component supported on hollow spherical graphene support; preferably, the mass ratio of the photocatalyst active component to graphene is 1: (0.05-9.9); and # producing photocatalyst comprising subjecting hollow spherical graphene oxide support to catalyst active component by hydrothermal reduction.