Organic electroluminescence based on graphene as transparent conductive anode View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2011-2015

FUNDING AMOUNT

740000 CNY

ABSTRACT

This project explores organic electroluminescence with graphene instead of indium tin oxide (ITO) as a transparent conductive anode. At present, most of the organic electroluminescence to ITO for the anode material, but ITO scarcity of resources and other deficiencies. The preparation of large area homogeneous graphene material and controlling the carrier concentration by doping and controlling the number of graphene layers by growth and transfer, graphene is likely to become a transparent conductive anode material with excellent organic electroluminescence. The main measures to improve the organic electroluminescence efficiency of graphene anodes are as follows: 1) to study and improve the interface and contact between the graphene anode and the organic hole transfer material; 2) to ensure that the graphene anodes are sufficiently high Light rate and low enough block resistance under the conditions of regulation of graphene anode carrier concentration and the number of layers, so that the anode hole injection flow and the cathode of the electron injection flow to match. Compared with the ITO anode, the advantages of graphene anode are: rich in resources, carrier concentration control, better light transmission performance. Compared with the thin film microcrystalline silicon anode, the advantage of graphene anode is that it is a thin film single crystal material with high mobility, the block resistance can be lower, the light transmission performance is better, the refractive index is lower. More... »

URL

http://npd.nsfc.gov.cn/projectDetail.action?pid=61176041

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