Phenothiazine-containing polymerization metal complex as well as preparation method and application thereof

A technology for polymerizing metals and phenothiazines, which is applied in the direction of copper organic compounds, zinc organic compounds, cadmium organic compounds, etc., can solve the problems in the field of solar cells, such as staying in exploration, and achieve high yield, simple preparation, and thermal stability. Good results

Inactive Publication Date: 2014-01-29
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Polymeric metal complexes have good photothermal stability and wide light absorption range. This type of complexes has

Method used

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  • Phenothiazine-containing polymerization metal complex as well as preparation method and application thereof
  • Phenothiazine-containing polymerization metal complex as well as preparation method and application thereof
  • Phenothiazine-containing polymerization metal complex as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A polymer (PZn) containing phenothiazines with zinc ions, its molecular structural formula is

[0036]

[0037] A kind of preparation method of the polymer (PZn) that contains phenothiazine class coordination zinc ion:

[0038] Step 1: Preparation of 2,5-dibromo-3-methylthiophene: In a 250ml one-necked flask, dissolve 3-methylthiophene (0.98g, 0.01mol) in chloroform (160ml), stir, and slowly add NBS (3.9216g, 0.022mol), stirred for 2 hours, heated and refluxed for 12 hours, after cooling to room temperature, the solution was poured into water, extracted with chloroform, the organic layer was washed three times with water, and the organic layer was washed with anhydrous MgSO 4After drying and removing the solvent, it was distilled under reduced pressure to obtain 2.3 g of light yellow liquid with a yield of 89.8%.

[0039] Step 2: 2,5-Dibromo-3-bromomethylthiophene: 2,5-Dibromo-3-methylthiophene (1.28 g, 5 mmol) and NBS (0.98 g, 5.5 mmol) in 100 mL of CCl 4 Medium r...

Embodiment 2

[0051] A polymer (PNi) containing phenothiazine complexed nickel ions, its molecular structural formula is:

[0052]

[0053] A kind of preparation method containing the polymer (PNi) of phenothiazines coordination nickel ion:

[0054] Steps 1 to 5 and steps 7 to 9 are similar to the preparation method of the polymeric metal complex containing zinc ions, except that 0.26g of zinc acetate dihydrate in step 6 is changed to 0.28g of nickel chloride hexahydrate to obtain nickel-containing The metal complex of ions is 0.61 g, and the yield is 78%.

[0055] Step 10: Preparation of PNi polymer: 0.21g metal complex containing nickel ions and 0.11g N-n-octyl-3,7-bis-(phenyl-vinyl)phenothiazine were added to the reaction flask in sequence , and then sequentially added refined triethylamine (3mL), tris(2-tolyl)phosphine (0.022g, 0.072mmol), palladium acetate (0.0029g, 0.013mmol), and kept the reaction system at 90°C under nitrogen atmosphere. React for 36 hours, cool to room tempera...

Embodiment 3

[0057] A polymer (PCo) containing phenothiazines in coordination with cobalt ions, its molecular structural formula is:

[0058]

[0059] A kind of preparation method that contains the polymer (PCo) that phenothiazines coordinate cobalt ion:

[0060] Steps 1 to 5 and steps 7 to 9 are similar to the preparation method of the polymeric metal complex containing zinc ions, except that 0.26g of zinc acetate dihydrate in step 6 is changed to 0.28g of cobalt chloride hexahydrate to obtain cobalt-containing The metal complex of ions is 0.56g, and the yield is 72%.

[0061] Step 10: Preparation of PCo polymer: add 0.21g of metal complex containing cobalt ions and 0.11g of N-n-octyl-3,7-bis-(phenyl-vinyl)phenothiazine to the reaction flask in sequence , and then sequentially added refined triethylamine (3mL), tris(2-tolyl)phosphine (0.022g, 0.072mmol), palladium acetate (0.0029g, 0.013mmol), and kept the reaction system at 90°C under nitrogen atmosphere. React for 36 hours, cool to...

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Abstract

The invention discloses a phenothiazine-containing polymerization metal complex as well as a preparation method and an application thereof. The phenothiazine-containing polymerization metal complex is a novel dyestuff with a phenothiazine-thiophene side chain type D-pi-A structure. Compared with a conventional precious metal dyestuff, the novel dyestuff has the advantages of low cost, simple preparation, relatively high yield and good thermal stability and can be applied to dye-sensitized solar cells.

Description

technical field [0001] The invention belongs to the field of functional polymer materials and relates to the technical field of high dye-sensitized solar cells. [0002] In particular, phenothiazine-thiophene cascaded polymer dyes and methods for their preparation. Background technique [0003] The energy issue is the focus of world competition in the new century, and it will become the primary cause of world conflicts. Traditional fossil energy is facing problems such as resource depletion and serious environmental pollution, which is not conducive to improving people's livelihood and improving people's living standards. Therefore, the development of pollution-free clean and renewable energy is an important measure to solve energy crisis and environmental problems. [0004] Dye-sensitized solar cells are an important part of renewable energy utilization. Since the advent of cells with a photoelectric conversion efficiency greater than 7% in 1991, scientists have set off a...

Claims

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Application Information

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IPC IPC(8): C07F1/08C07F3/06C07F3/08C07F15/04C08G61/12C09B57/10C09B69/10H01G9/20
CPCY02E10/542
Inventor 钟超凡周俊章伟唐桂鹏彭大海胡娇梅谢秋芳
Owner XIANGTAN UNIV
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