Abstract:
The present invention relates to a light emitting device using a graphene quantum dot which comprises the graphene quantum dot and an organic light emitting material chemically or physically coupled with the graphene quantum dot. The present invention can provide a light emitting device having an excellent light emitting efficiency capable of emitting blue, green, red, or yellow lights by chemically or physically coupling the organic light emitting material to the graphene quantum dot.
Abstract:
The present invention relates to a biosensor comprising a reduced graphene oxide layer. The biosensor of a horizontal structure includes a reduced graphene oxide layer formed on a substrate, a molecule linker formed on the reduced graphene oxide layer, and a metal nanoparticle layer formed on the molecule linker. The reduced graphene oxide layer has a film structure of one or more layers. The molecule linker contains a diazonium group on a first terminal and contains a thiol group, a hydroxyl group, or an amine group on a second terminal. [Reference numerals] (AA) Step of forming a reduced graphene oxide layer on a substrate;(BB) Step of forming a molecule linker on the reduced graphene oxide layer;(CC) Step of forming a metal nanoparticle layer on the molecule linker;(DD) Horizontal structure bio sensor
Abstract:
PURPOSE: A graphene oxide reducing agent containing a reducing agent with a halogen element, a method for manufacturing a reduced graphene oxide, and the use of the reduced graphene oxide are provided to control the reducing degree and the electric characteristic of a graphene oxide. CONSTITUTION: A graphene oxide reducing agent includes a reducing agent with a halogen element and acid. The acidity of the acid is weaker than that of the reducing agent with the halogen element. The reducing agent with the halogen element is capable of being HI. The acid is capable of being selected from a group including acetic acid, formic acid, and benzoic acid. The graphene oxide reducing agent is reacted with graphene oxide in order to obtain reduced graphene oxide.