▎ 摘　　要

NOVELTY - Preparation of nitrogen-doped graphene involves selecting appropriate organic compound, preparing a covalent organic polymer material through nickel-catalytic Yamamoto coupled reaction in heating tubular furnace, and carbonizing the material as a carbon source and a template at high temperature. USE - Preparation of nitrogen-doped graphene (claimed). ADVANTAGE - The nitrogen-doped graphene is produced by simple method, and distribution of the nitrogen element is accurately controlled by screening the matrix.