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Benzene ring substituted phthalocyanine/graphene oxide composite nonlinear optical material and preparation method thereof

A graphene composite and nonlinear optics technology, applied in nonlinear optics, chemical instruments and methods, luminescent materials, etc., can solve the problems of poor performance of third-order nonlinear optics

Active Publication Date: 2021-07-23
HEILONGJIANG UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide a benzene ring substituted phthalocyanine / graphene oxide composite nonlinear optical material and its preparation method in order to solve the problem of poor third-order nonlinear optical performance of existing nonlinear optical materials

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  • Benzene ring substituted phthalocyanine/graphene oxide composite nonlinear optical material and preparation method thereof
  • Benzene ring substituted phthalocyanine/graphene oxide composite nonlinear optical material and preparation method thereof
  • Benzene ring substituted phthalocyanine/graphene oxide composite nonlinear optical material and preparation method thereof

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specific Embodiment approach 1

[0016] Specific embodiment 1: In this embodiment, the benzene ring substituted phthalocyanine / graphene oxide composite nonlinear optical material is formed by bonding tetra-α-(4-hydroxymethylbenzyloxy) phthalocyanine compound and graphene oxide, The structure of the synthesized tetra-α-(4-hydroxymethylbenzyloxy)phthalocyanine / graphene oxide bond (α-ZnTPPc-GO) is:

[0017]

[0018] In this embodiment, tetra-α-(4-hydroxymethylbenzyloxy)phthalocyanine whose central metal ion in the ring is Zn is prepared by template method. In this embodiment, a metal phthalocyanine composite material with better nonlinear optical properties is prepared through a substituent modification method.

specific Embodiment approach 2

[0019] Embodiment 2: This embodiment is different from Embodiment 1 in that the graphene oxide is prepared by the Hummers method.

specific Embodiment approach 3

[0020] Specific embodiment three: the preparation method of the benzene ring substituted phthalocyanine / graphene oxide composite nonlinear optical material in this embodiment is implemented according to the following steps:

[0021] 1. Mix 3-(4-hydroxymethylbenzyloxy)phthalonitrile, anhydrous n-pentanol, Zn(CH 3 COO) 2 Add DBU (1,8-diazabicycloundec-7-ene) into the reaction vessel, use nitrogen as a protective gas, raise the temperature to 120-160°C and continue the reaction for 6-12 hours, the obtained liquid-solid The mixture was rotary evaporated under reduced pressure to obtain a crude phthalocyanine product, which was centrifuged and washed several times with ethyl acetate to obtain tetra-α-(4-hydroxymethylbenzyloxy)phthalocyanine;

[0022] 2. Preparation of GO (graphene oxide);

[0023] 3. Put the DMF solution of GO and the DMF solution of DCC (dicyclohexylcarbodiimide) in the reaction vessel, stir and activate and add the DMF of tetra-α-(4-hydroxymethylbenzyloxy)phtha...

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Abstract

A benzene ring substituted phthalocyanine / graphene oxide composite nonlinear optical material and a preparation method thereof, the invention belongs to the field of composite nonlinear optical materials, and aims to solve the problem of poor third-order nonlinear optical performance of existing nonlinear optical materials. The nonlinear optical material described in the present invention is formed by bonding four-α-(4-hydroxymethylbenzyloxy) phthalocyanine compound and graphene oxide. Preparation method: 1. Mix 3-(4-hydroxymethylbenzyloxy) phthalonitrile, n-amyl alcohol, Zn(CH 3 COO) 2 Add DBU and DBU into the reaction vessel, heat the reaction at 120-160°C to obtain tetra-α-(4-hydroxymethylbenzyloxy) phthalocyanine; 2. Prepare GO; 3. DMF solution of GO and DCC Place in a reaction vessel, add tetra-α-(4-hydroxymethylbenzyloxy) phthalocyanine after activation, and react at room temperature under nitrogen protection. The composite optical material of the invention has good third-order nonlinear optical properties.

Description

technical field [0001] The invention belongs to the field of composite nonlinear optical materials, and in particular relates to a benzene ring-substituted phthalocyanine / graphene oxide composite nonlinear optical material and a preparation method thereof. Background technique [0002] With the development of optical research, especially the gradual maturity of laser technology, materials with excellent nonlinear optical properties have become one of the hot spots of scientific research. Both phthalocyanine and graphene oxide are good third-order nonlinear optical materials, and the nonlinear optical composite materials with better performance can be formed by covalent bonding between the two. However, there are few reports on the correlation between the molecular structure of phthalocyanine and the nonlinear optical properties of phthalocyanine / graphene oxide composites. [0003] Graphene oxide contains many oxygen-containing functional groups, which makes its chemical pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D487/22C09K11/06C01B32/198G02F1/355
CPCC07D487/22C09K11/06C09K2211/1007C09K2211/1029C09K2211/1074C01B32/198G02F1/355
Inventor 贺春英李婉璐刘冬梅陈岚祖艳丽
Owner HEILONGJIANG UNIV
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