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Preparing method and application for poly p-phenyl vinylene (PPV)

A poly(p-styrene) reaction technology, which is applied to the application of the photoelectric conversion material in photovoltaic cells, the preparation of the above-mentioned photoelectric conversion material, and the field of water-soluble poly(p-styrene), which can solve the problems of insufficient stability and the like

Inactive Publication Date: 2004-06-02
INST OF CHEM CHINESE ACAD OF SCI
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Problems solved by technology

The downside is that its stability is not good enough

Method used

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  • Preparing method and application for poly p-phenyl vinylene (PPV)
  • Preparing method and application for poly p-phenyl vinylene (PPV)
  • Preparing method and application for poly p-phenyl vinylene (PPV)

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Embodiment Construction

[0024] The specific synthesis of the compounds in each reaction step of the present invention will be described in the following examples.

[0025] 1) Synthesis of compound 1

[0026] In a 250 mL three-neck flask, add 1,3-dibromopropane (3.36 g, 16.7 mmol), potassium carbonate (5.85 g, 42 mmol) and 80 mL of acetone, and heat and stir at 70°C. 1,4-Diiodohydroquinone (3.01 g, 8.32 mmol) was dissolved in 30 mL of acetone and added dropwise to the reaction flask within 48 hours. After the reaction was completed, cool to room temperature, evaporate the solvent, and distribute the solid in water and chloroform. The organic layer was washed with 10% KOH aqueous solution, distilled water, saturated brine, and anhydrous Na 2 SO 4 dry. Filtration, concentration, and recrystallization gave 2 g of a colorless solid with a yield of 40%. 1 HNMR (CDCl 3 , TMS): 2.33 (dt, 4H), 3.69 (t, 4H), 4.08 (t, 4H), 7.24 (s, 2H).

[0027] 2) Synthesis of compound 2

[0028] In a 250 mL three-necke...

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Abstract

The water soluble poly-p-phenyl ethenylene has weight average molecular weight Mw 13798, number average molecular weight Mn 12776, viscosity average molecular weight Mz 15267 and polydispersity PDI 1.08. Its preparation process includes the steps of: a)dissolving 1,4-diiodo hydroquinol in acetone and reacting with 1, 3-dibromo propane under the action of potassium carbonate; b)reacting the product of step a) with water solution of trimethylamine; c)reacting 1,4-diiodo hydroquinol and 2-(2-chlorooxyethyl)-ethanol under the action of dimethyl formamide inside nitrogen atmosphere; d)reacting the product of step c) with organic tin reagent in dimethyl formamide; and e)reacting the product of step b) and that of step d) with palladium acetate and tritolyl phosphine under the action of dimethyl formamide inside nitrogen atmosphere. The product is used in photovoltaic cell.

Description

technical field [0001] The invention relates to a photoelectric conversion material-poly(p-phenylene) (PPV), in particular to a water-soluble poly(p-phenylene). [0002] The present invention also relates to a preparation method of the above-mentioned photoelectric conversion material. [0003] The present invention also relates to the application of the above-mentioned photoelectric conversion material in photovoltaic cells. Background technique [0004] In recent years, energy issues have attracted more and more attention. Most of the energy used now comes from the exploitation of fossil fuels, including oil, natural gas and coal, etc., and these energy sources are limited. Solar energy, which accounts for more than 99% of the total energy of the earth, has become one of the new energy sources developed and utilized by scientists from all over the world due to its inexhaustible, inexhaustible, and non-polluting characteristics. Especially after the war in the Middle Eas...

Claims

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Application Information

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IPC IPC(8): C08F112/14
Inventor 李红梅李玉良朱道本
Owner INST OF CHEM CHINESE ACAD OF SCI
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