Porphyrin-reduction-oxidation graphene oxide nonlinear optical material and preparation method thereof

A nonlinear optics and graphene technology, applied in nonlinear optics, optics, organic chemistry, etc., can solve problems such as poor solubility of organic solvents, limited practical applications, and difficult processing of structural characteristics, and achieve tight combination, good solubility and The effect of dispersion stability

Inactive Publication Date: 2016-01-06
JIANGSU UNIV
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Problems solved by technology

Although graphene has good nonlinear optical properties, its structural characteristics make it difficult to process, and its solubility in organic solvents is relatively poor, which greatly limits its practical application.

Method used

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  • Porphyrin-reduction-oxidation graphene oxide nonlinear optical material and preparation method thereof
  • Porphyrin-reduction-oxidation graphene oxide nonlinear optical material and preparation method thereof
  • Porphyrin-reduction-oxidation graphene oxide nonlinear optical material and preparation method thereof

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Embodiment

[0035] (1) Preparation of porphyrin (TPP1) covalently functionalized reduced graphene oxide (RGO) nano-hybrid photosensitive functional material RGO-TPP1:

[0036] 40 mg RGO was ultrasonically dispersed in 20 mL THF for 0.5 hours, and then the mixture was transferred to a round bottom flask containing 40 mg TPP1, nitrogen was bubbled through the solution for 15 minutes, and 0.5 mL nitrosyl isoamyl ester was added. The reaction solution was heated and stirred at 66°C for 48 hours under the protection of nitrogen. After the reaction, the solution was removed by distillation under reduced pressure. The resulting solid was ultrasonically dispersed in dichloromethane and filtered with a 0.45μm nylon membrane, and then washed with dichloromethane and ethanol until the filtrate was colorless. The resulting black solid was vacuum dried. The reduced graphene oxide nano-hybrid photosensitive functional material RGO-TPP1 (45 mg) was obtained in a few hours.

[0037] (2) Preparation of porphy...

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Abstract

The invention belongs to the field of war industry intense laser protection materials, and relates to a porphyrin-reduction-oxidation graphene oxide nonlinear optical material and a preparation method thereof, in particular to a porphyrin covenlency covalent functionalized reduction-oxidation graphene oxide nanometer hybrid nonlinear absorption optical function material prepared through free radical electrophilic addition. The novel porphyrin covenlency covalent functionalized reduction-oxidation graphene oxide nonlinear absorption optical function material with high solubility is developed for solving the existing problems of current laser protection materials and eliminating the limitation that graphene materials are poor in solubility. The surface of reduction-oxidation graphene is modified through porphyrin in a covalent mode through free radical electrophilic addition, the characteristics of porphyrin and the characteristics of reduction-oxidation graphene are integrated in a prepared organic-inorganic nanometer hybrid photosensitive function material, the hybrid material can have more excellent nonlinear optical performance compared with a simplex material through the synergistic effect between components, solubility and dispersion stability of graphene are improved, and good application prospects are achieved.

Description

Technical field [0001] The invention belongs to the field of military strong laser protection materials, and relates to a porphyrin-reduced graphene oxide nonlinear optical material and a preparation method thereof, and is specifically a porphyrin covalently functionalized reduced graphene oxide nano-hybrid prepared by the electrophilic addition of free radicals Chemical nonlinear absorption optical functional materials. Background technique [0002] Because graphene has excellent properties in the fields of heat, electricity, mechanics and optics, it has received wide attention and has become a hot spot in materials research. With the deepening of people's research on nonlinear optics, the application of nonlinear optical functional materials in the military and people's daily lives has become increasingly common. As a result, the application of strong light sources is increasing. In order to protect some optical sensors and human eyes from laser damage, materials with better n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D487/22C01B31/04G02F1/355G02F1/361
CPCC07D487/22G02F1/355G02F1/3612
Inventor 张弛王爱健虞王宋京宝钱军龙凌亮
Owner JIANGSU UNIV
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