▎ 摘　　要

NOVELTY - Method for preparing graphene/hydroxyapatite complex material, involves (a) preparing mixed solution (I) comprising 0.5-10 %mass graphene and 0.5-3 %mass calcium ions, (b) adding phosphate solution into the mixed solution (I) in a mass ratio of 0.5-3:1, adding calcium and phosphorus to the mixture, and mixing materials to obtain mixed solution (II), and (c) carrying out atomization and pyrolysis on the mixed solution (II) by adopting ultrasonic pyrolysis. USE - The method is useful for preparing graphene/hydroxyapatite complex material (claimed). ADVANTAGE - The prepared material has good mechanical property, absorbance effect, and biocompatibility. DETAILED DESCRIPTION - Method for preparing graphene/hydroxyapatite complex material, involves (a) preparing mixed solution (I) comprising 0.5-10 %mass graphene and 0.5-3 %mass calcium ions, (b) adding phosphate solution into the mixed solution (I) in a mass ratio of 0.5-3:1, adding calcium and phosphorus to the mixture, and mixing materials to obtain mixed solution (II), and (c) carrying out atomization and pyrolysis on the mixed solution (II) by adopting ultrasonic pyrolysis, where ultrasonic power is 1000-1200 W, the transducer frequency is 5-7 MHz, the pyrolysis temperature is 550-650 degrees C and the pyrolysis reaction time is 10 minutes.