Preparation method of hydrogen and oxygen co-doped graphene

A co-doping, graphene technology, applied in chemical instruments and methods, single crystal growth, polycrystalline material growth, etc. Wide modulation range, easy-to-transfer effects
CN102154694AActive Publication Date: 2011-08-17KUNMING INST OF PHYSICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KUNMING INST OF PHYSICS
Publication Date
2011-08-17

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Abstract

The invention provides a preparation method of hydrogen and oxygen co-doped graphene, and relates to a preparation technique of a graphene film, in particular to a preparation technique of a hydrogen and oxygen co-doped graphene film. The preparation method comprises the steps of synthesizing an intermediate film by a hydrothermal process, transferring an intermediate and carrying out heat treatment technique on a substrate transferred with the intermediate. The preparation of the hydrogen and oxygen co-doped graphene film with adjustable thickness, controllable conductivity and semiconductorproperty can be realized by the technique.
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Description

technical field

[0001] The invention relates to a graphene film preparation process, in particular to a hydrogen-oxygen co-doped graphene film preparation process. Background technique

[0002] Graphene is a single-layer carbon atomic surface material stripped from graphite materials. It is a two-dimensional structure of carbon, and the thickness of its crystal film is only 0.335 nanometers. The biggest feature of graphene is that its electrons move at a speed of more than 15,000 cm2 / V s, which is 1 / 300 of the speed of light. In addition, graphene has a low absorption rate for visible light, a thermal conductivity as high as 5300 W / m K, and a lower resistivity than copper and silver, about 10. -6 Ω cm, the quantum Hall effect can be observed at room temperature. In short, based on its chemical structure, graphene has many unique physical and chemical properties, such as high specific surface area, high electrical conductivity, high mechanical strength, easy modification an...

Claims

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