Method for synthesizing graphene-based nanocomposite and graphene-based nanocomposite systnesized using the method

Abstract

A method of rapidly fabricating a graphene-based nanocomposite using oxidation-reduction and a graphene-based nanocomposite fabricated by the same method. A solution in which a graphene oxide is dispersed is prepared. A source material for a metal oxide is added into the solution in which the graphene oxide is dispersed. A nanocomposite is formed by forming the metal oxide on at least one surface of graphene that is reduced using oxidation-reduction between the graphene oxide and the source material for the metal oxide. The reduction voltage of the source material for the metal oxide is 1.0 V or less.

What is claimed is: 
     
         1 . A method of fabricating a graphene-based nanocomposite, comprising:
 preparing a solution in which a graphene oxide is dispersed;   adding a source material for a metal oxide into the solution in which the graphene oxide is dispersed; and   forming a nanocomposite by forming the metal oxide on at least one surface of graphene that is reduced using oxidation-reduction between the graphene oxide and the source material for the metal oxide,   wherein a reduction voltage of the source material for the metal oxide is 1.0 V or less.   
     
     
         2 . The method according to  claim 1 , wherein the reduction voltage of the source material for the metal oxide is 0.8 V or less. 
     
     
         3 . The method according to  claim 2 , wherein the metal oxide comprises one selected from the group consisting of a metal phosphorus oxide, an iron oxide and a tin oxide. 
     
     
         4 . The method according to  claim 3 , wherein the metal oxide comprises one selected from the group consisting of FePO 4 , Fe 3 O 4  and SnO 2 . 
     
     
         5 . The method according to  claim 1 , wherein the graphene-based nanocomposite comprises a nanomaterial having a diameter of 10 μm or less. 
     
     
         6 . A graphene-based nanocomposite comprising graphene and a metal oxide formed on one surface of the graphene,
 wherein the graphene-based nanocomposite is fabricated by a process that includes:   preparing a solution in which a graphene oxide is dispersed;   adding a source material for a metal oxide into the solution in which the graphene oxide is dispersed; and   forming a nanocomposite by forming the metal oxide on at least one surface of graphene that is reduced using oxidation-reduction between the graphene oxide and the source material for the metal oxide,   wherein a reduction voltage of the source material for the metal oxide is 1.0 V or less.   
     
     
         7 . The graphene-based nanocomposite according to  claim 6 , wherein the reduction voltage of the source material for the metal oxide is 0.8 V or less. 
     
     
         8 . The graphene-based nanocomposite according to  claim 7 , wherein the metal oxide comprises one selected from the group consisting of a metal phosphorus oxide, an iron oxide and a tin oxide. 
     
     
         9 . The graphene-based nanocomposite according to  claim 8 , wherein the metal oxide comprises one selected from the group consisting of FePO 4 , Fe 3 O 4  and SnO 2 . 
     
     
         10 . The graphene-based nanocomposite according to  claim 6 , wherein the graphene-based nanocomposite comprises a nanomaterial having a diameter of 10 μm or less.