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Conjugated polymer and application thereof in hybridization of solar battery

A conjugated polymer and heteroarylene technology, applied in the field of organic polymer semiconductor materials, can solve the problem of high energy conversion efficiency of only 3.78%, and achieve high efficiency

Inactive Publication Date: 2013-06-26
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Related reports have also demonstrated that such polymers can be used in hybrid solar cells (J. Seo, M. J. Cho, D. Lee, Cartwright, A. N.; P. N. Prasad, Adv. Mater. 2011, 23, 3984.), but its highest energy conversion efficiency is only 3.78%

Method used

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  • Conjugated polymer and application thereof in hybridization of solar battery
  • Conjugated polymer and application thereof in hybridization of solar battery
  • Conjugated polymer and application thereof in hybridization of solar battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Polymer: Preparation of poly 4-(undecyl-6-)-4-hydrogen-dithienopyrrole-co-2,1,3-benzothiadiazole (remember polymer PDBT), synthetic route like figure 1 shown. The polymer structure obtained is:

[0041]

[0042] Take 0.25 grams of 2,6-bis(trimethylstannyl)-4-(undecyl-6-)-4-hydrogen-dithienopyrrole, 0.11 grams of 4,7-dibromo-2,1, Add 3-benzothiadiazole to a 50 ml reaction tube, add catalyst 0.01 g tris(dibenzylideneacetone) dipalladium, ligand 0.02 g tri-o-methylphenylphosphine, add 5 ml anhydrous toluene, 0.5 ml Anhydrous N,N-dimethylformamide was stirred for 24 hours in an argon atmosphere at 110°C. Cool the polymer to room temperature and slowly pour it into 70 ml of methanol. The precipitated polymer is filtered and washed with methanol and n-hexane successively in a Soxhlet extractor. Finally, it is dissolved in chloroform and precipitated into methanol, filtered. , dried under vacuum at 100°C for 12 hours to obtain a deep purple solid powder polymer with th...

Embodiment 2

[0044] The preparation of polymer poly 4-(heptadecyl-9-)-4-hydrogen-dithienopyrrole-co-2,1,3-fluorobenzothiadiazole (polymer PDBF), the synthetic route is as follows figure 2 shown. The polymer structure obtained is:

[0045] .

[0046] Take 0.25 grams of 2,6-bis(trimethyltin base)-4-(heptadecyl-9-)-4-hydrogen-dithienopyrrole, 0.10 grams of 1,3-dibromo-5-(4 -octylphenyl)-5H-thiophene-[3,4-c]-pyrrole-3,6-dione was added to a 50 ml reaction tube, and 0.01 g of catalyst tris(dibenzylideneacetone) dipalladium was added to prepare 0.02 g of tri-o-methylphenylphosphine, 5 ml of anhydrous toluene and 0.5 ml of anhydrous N,N-dimethylformamide were added, and the reaction was stirred for 48 hours under an argon atmosphere at 110°C. Cool the polymer to room temperature and slowly pour it into 70 ml of methanol. The precipitated polymer is filtered and washed with methanol and n-hexane successively in a Soxhlet extractor. Finally, it is dissolved in chloroform and precipitated into...

Embodiment 3

[0048] Polymer poly 4-(heptadecyl-9-)-4-hydrogen-dithienopyrrole-co-5,5-(4,7-di-2-thienyl-2,1,3-benzo Thiadiazole) (Polymer PDTT), the synthetic route is as follows image 3 shown. The polymer structure obtained is:

[0049] .

[0050] Take 0.25 g of 2,6-bis(trimethyltinyl)-4-(heptadecyl-9-)-4-hydrogen-dithienopyrrole, 0.15 g of 4,7-dibromo-2-thienyl -2,1,3-Benzothiadiazole was added to a 50 ml reaction tube, 0.01 g of tris(dibenzylideneacetone) dipalladium was added as a catalyst, 0.02 g of tri-o-methylphenylphosphine was added as a ligand, and 5 ml of Water toluene, 0.5 ml of anhydrous N,N-dimethylformamide, stirred and reacted in an argon atmosphere at 110°C for 24 hours. Cool the polymer to room temperature and slowly pour it into 70 ml of methanol. The precipitated polymer is filtered and washed with methanol and n-hexane successively in a Soxhlet extractor. Finally, it is dissolved in chloroform and precipitated into methanol, filtered. , vacuum drying at 100°C fo...

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Abstract

The invention relates to a conjugated polymer and application of the conjugated polymer in hybridization of a solar battery. The solar battery comprises glass, a conducting glass substrate layer, a hole transporting layer, a photosensitive layer, a pure quantum dot layer, an electron transporting layer and an electrode, wherein the conducting glass substrate layer is adhered on the glass; the hole transporting layer is attached with the conducting glass substrate layer; the photosensitive layer is attached with the hole transporting layer; the pure quantum dot layer is attached with the photosensitive layer; the electron transporting layer is attached with the pure quantum dot layer; and the electrode is attached with the electron transporting layer. The conjugated polymer has the advantages that the photosensitive layer is prepared by dithiophene-pyrrole copolymer and inorganic quantum dots according to the mass ratio of 1:1-1:19. For the solar battery, the maximum filling factor can reach 65.8% and the maximum energy conversion efficiency can reach 5.50%.

Description

technical field [0001] The invention relates to a conjugated polymer and its application in hybrid solar cells, belonging to the field of organic polymer semiconductor materials. Background technique [0002] With the aggravation of the energy crisis, people are trying their best to find cheap and clean new energy to replace the widely used non-renewable energy such as oil, coal, and natural gas. As an inexhaustible clean energy, how to use solar energy to benefit mankind has become a research topic of many scholars, among which solar cells are an effective means of converting solar energy into electrical energy. [0003] Organic polymer solar cells prepared by solution spin-coating method have received great attention (G. Yu, J. Gao, J. C. Hummelen, F. Wudl, A. J. Heeger, science 1995, 270, 1789), but the materials (polymers, fullerene derivatives) used in widely studied polymer solar cells are relatively expensive, which makes the cost of commercial polymer solar cells r...

Claims

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Application Information

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IPC IPC(8): C08G61/12H01L51/46
CPCY02E10/549
Inventor 袁建宇马万里孙亚香刘泽柯
Owner SUZHOU UNIV
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