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Optical responsive azobenzene graft grapheme material and preparation method thereof

A grafted graphite, light-responsive technology, which is applied in the preparation of electricity and energy-converting materials, and the field of light, can solve the problem of preparation, light control and its light and electrical properties of azobenzene derivative grafted graphene materials. and other problems, to achieve the effects of fast photoresponse performance, high photoelectric conversion rate, and simple process

Active Publication Date: 2010-10-27
TIANJIN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

At present, there are no reports or patents related to the preparation of azobenzene derivatives grafted graphene materials, light control and their optical and electrical properties.

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  • Optical responsive azobenzene graft grapheme material and preparation method thereof
  • Optical responsive azobenzene graft grapheme material and preparation method thereof
  • Optical responsive azobenzene graft grapheme material and preparation method thereof

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Abstract

The invention discloses an optical responsive azobenzene graft grapheme material and a preparation method thereof. The structural formula of the material is represented as formula 1. The preparation process comprises the steps of: dispersing graphene oxide and reductive graphene oxide in a single layer graphite structure in thionyl chloride to react to obtain the grapheme material with acyl chloride functional group; reacting azobenzene with amino group with acylated grapheme material in N,N-dimethyl formamide to prepare the optical responsive azobenzene graft grapheme material. The prepared azobenzene graft grapheme material has the advantages of good solubility in organic solvents, easy filming, controllable optical and electrical properties, high photoelectric conversion rate and the like.

Description

technical field The invention relates to a photoresponsive azobenzene grafted graphene material and a preparation method thereof, belonging to the preparation technology of light, electricity and energy conversion materials. Background technique Azo derivatives refer to compounds containing an azo group (-N=N-) in the molecular structure. When a benzene ring is connected to each end of the azo group, an azobenzene molecule is formed. Since Mann, a chemist, used the diazo coupling reaction to prepare the first aromatic azo compound in 1861, azobenzene derivatives have attracted widespread attention in the field of optoelectronic information materials due to their unique photoelectric properties. The most attractive property of azobenzene derivatives is its cis-trans isomerization reaction (1.A.Archut, G.C.Azzellini, V.Balzani, et al., Journal of the American Chemical Society, 1998, Vol. 120, 12187; 2. B.L Feringa, R.A. van Delden, N. Koumura, et al., Chemical Reviews, 2000,...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/04
Inventor 封伟张学全冯奕钰吕鹏
Owner TIANJIN UNIV
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