▎ 摘　　要

NOVELTY - Graphene oxide-mercapto-compound composite material is prepared by taking graphene oxide and mercapto-containing organic compound comprising amino or hydroxyl, and carrying out grafting reaction. USE - Method for preparing graphene oxide-mercapto-compound composite material (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene oxide-mercapto-compound composite material comprising taking graphene oxide, adding ultrapurified water, dispersing ultrasonicating, adding sodium hydroxide, carrying out ethanol treatment, filtering, and ethanol/water solution, washing. The method is simple and heating, strong absorbing,.