Ultra-thin films of graphene and optical, electrical properties of Regulation View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2010-2012

FUNDING AMOUNT

200000 CNY

ABSTRACT

New functional carbon material graphene (graphene) is believed to replace silicon in the future microelectronics industries are widely used, and the development of ultra-thin film of graphene is graphene layer monolithic device to practical and effective way, and thus become recent research focus. The most commonly used methods such as vacuum filtration, spray deposition is difficult to achieve effective control of film thickness and properties. The project for the chemistry of natural flake graphite is characterized by raw material preparation of graphene, proposed the use of an intermediate state of graphite oxide and ultimately resulting graphene sheets with a negative charge characteristics, the electrostatic self-assembly process to achieve graphene ultra-thin film thickness and control nature; while taking advantage of the resulting chemical graphene sheet surface having reactive functional groups such as the characteristics of a hydroxyl group, a carbonyl group, a carboxyl group and an epoxy group, its chemical modification and tailoring to achieve the resulting graphene film electrical and optical properties regulation. Law reveals the key factors of the film between electrical and optical properties of graphene preparation of ultra-thin film, lay the foundation for the practical application of graphene in the field of electronic devices. More... »

URL

http://npd.nsfc.gov.cn/projectDetail.action?pid=50902061

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