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A method for chemical protection of black phosphorus by covalent modification using unsymmetrical fluorine-containing zinc phthalocyanine diazonium salt

A covalent modification, asymmetric technology, applied in chemical instruments and methods, organic chemistry, phosphorus compounds, etc.

Active Publication Date: 2021-07-06
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the method of chemical protection of black phosphorus by covalent modification of phthalocyanine has not been reported in the literature

Method used

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  • A method for chemical protection of black phosphorus by covalent modification using unsymmetrical fluorine-containing zinc phthalocyanine diazonium salt
  • A method for chemical protection of black phosphorus by covalent modification using unsymmetrical fluorine-containing zinc phthalocyanine diazonium salt
  • A method for chemical protection of black phosphorus by covalent modification using unsymmetrical fluorine-containing zinc phthalocyanine diazonium salt

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Embodiment 1

[0038] Example 1: A specific synthesis method of a new type of asymmetric fluorine-containing zinc phthalocyanine diazonium salt and a new type of asymmetric fluorine-containing zinc phthalocyanine diazonium salt for covalently modifying black phosphorus materials:

[0039] 1) Asymmetric fluorine-containing phthalocyanine Pc-NO 2 Synthesis: under nitrogen protection, compound 1 (690mg, 1mmol) and compound 2 (570mg, 3mmol) were added to dimethyl sulfoxide (DMSO, 10ml) and stirred at 60°C for 12h. After the reaction, the reaction solution was added dropwise to ice methanol, and then a 0.2-micron filter membrane was used for suction filtration, and the filter cake was washed with N,N-dimethylformamide (DMF, 50ml) to obtain a green solid that was asymmetric Fluorinated phthalocyanine Pc-NO 2 . MALDI-TOF-MS:776[M+H] + ;IR: 1338, 1519cm -1 (ν NO2 ).

[0040] 2) Asymmetric fluorine-containing zinc phthalocyanine ZnPc-NO 2 Synthesis of: Under the condition of nitrogen protectio...

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Abstract

The invention belongs to the technical field of synthesis of phthalocyanine materials and chemical protection of black phosphorus through covalent modification, and specifically relates to a method for chemical protection of black phosphorus through planar covalent modification of an asymmetric fluorine-containing phthalocyanine, and at the same time It relates to a preparation method of a novel asymmetric fluorine-containing phthalocyanine diazonium salt. Compared with the shortcomings of the black phosphorus body that is extremely easy to oxidize, the composite material ZnPc-BP prepared by the present invention has excellent environmental stability, and also has outstanding optical properties and charge transport properties, which makes it suitable for use in optoelectronic devices. It has broad application prospects.

Description

technical field [0001] The invention belongs to the technical field of synthesis of phthalocyanine materials and chemical protection of black phosphorus through covalent modification, and specifically relates to a novel asymmetric fluorine-containing phthalocyanine and a preparation method thereof, and also relates to an asymmetric fluorine-containing phthalocyanine A method for the chemical protection of black phosphorus by planar covalent modification of cyanine. Background technique [0002] Since the first successful separation of single-layer graphene by mechanical exfoliation in 2004, the research on two-dimensional materials has experienced vigorous development for more than ten years, and has shown an exponential growth trend. These are sheets of material only a few nanometers thick and often have unique physical, chemical and structural properties. Such as large specific surface area, excellent thermal and electrical conductivity, excellent flexibility and excellen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D487/22C01B25/00
CPCC01B25/006C07D487/22
Inventor 张斌刘志伟颜青樊菲陈彧
Owner EAST CHINA UNIV OF SCI & TECH
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