▎ 摘　　要

Graphene-Fe3O4 nanocomposite (G-Fe3O4) was synthesized by a chemical co-precipitation method which was used as an efficient catalyst for the reduction of nitroarenes with hydrazine hydrate. The method has been applied to a broad range of compounds with different properties and the yields were in the range of 75%-92%. The G-Fe3O4 catalyst can be readily recovered and reused 5 times without significant loss of the catalytic activity. (C) 2013 Chun Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.