▎ 摘　　要

NOVELTY - Quantum dot-graphene oxide nanocomposite, is claimed. The quantum dots are combined with alkylated graphene oxide and indium phosphide core. USE - The nanocomposite is useful for producing reduced quantum dot-graphene oxide nanocomposite (claimed) and in optoelectronic device. ADVANTAGE - The nanocomposite does not contain toxic components thus does not affect human health and environment, and can be easily synthesized in organic solvent. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) reduced quantum dot-graphene oxide nanocomposite having quantum dot-graphene oxide nanocomposite reduced structure; (2) producing quantum dot-graphene oxide nanocomposite, comprising (a) preparing quantum dot attached to thiol ligand by mixing thiol compound and quantum dot containing indium phosphide compound and alkylated graphene oxide which is obtained by mixing amine-based compound and graphene oxide, (b) mixing alkylated graphene oxide and quantum dot attached to thiol ligand with an organic solvent, (c) synthesizing by stirring reduced quantum dot-graphene oxide in the organic solvent, and (d) evaporating the residual organic solvent; and (3) producing reduced quantum dot-graphene oxide nanocomposite, comprising (i) preparing quantum dot attached to thiol ligand by mixing thiol compound and quantum dot containing indium phosphide compound and alkylated graphene oxide which is obtained by mixing amine-based compound and graphene oxide, (ii) mixing alkylated graphene oxide and quantum dot attached to thiol ligand with an organic solvent, (iii) synthesizing by stirring reduced quantum dot-graphene oxide in the organic solvent, (iv) producing reduced quantum dot-graphene oxide nanocomposite by reducing the quantum dot-graphene oxide, and (v) evaporating the residual organic solvent.