▎ 摘　　要

NOVELTY - Axial tin porphyrin covalently functionalized reducing graphene oxide nonlinear optical material (A) comprising reduced graphene oxide-tin porphyrin-1 (I) or reduced graphene oxide-tin porphyrin-2 (II) are new. USE - Used as axial tin porphyrin covalently functionalized reducing graphene oxide nonlinear optical material. ADVANTAGE - (A) have good solubility of nonlinear absorption material, improve the solubility and dispersion stability of graphene and enhance its nonlinear absorption performance. DETAILED DESCRIPTION - Axial tin porphyrin covalently functionalized reducing graphene oxide nonlinear optical material (A) comprising reduced graphene oxide-tin porphyrin-1 (RGO-SnTPP1) of formula (I) or reduced graphene oxide-tin porphyrin-2 (RGO-SnTPP2) of formula (II) are new. An INDEPENDENT CLAIM is also included for preparation of (A).