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Novel N-ester substituted bithiophene and pyrrole conjugated polymer

A technology of conjugated polymer and bithiophene, which is applied in the field of polymer solar cell materials, to achieve the effects of enhancing the power-rich characteristics, increasing the open circuit voltage, and improving the photoelectric conversion efficiency

Inactive Publication Date: 2011-04-06
无锡菲迪光电技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Novel N-ester substituted bithiophene and pyrrole conjugated polymer
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Abstract

The invention relates to a novel N-ester substituted bithiophene and pyrrole conjugated polymer and belongs to the field of polymer solar battery materials. The novel N-ester substituted bithiophene and pyrrole conjugated polymer has a structural formula shown in the specifications, wherein R is C6 to C12 straight chain and branched paraffin. The polymer is used as an electron donor material of apolymer solar battery so as to effectively reduce the highest occupied molecular orbital (HOMO) energy level of the donor material, obtain a photovoltaic device with high open-circuit voltage and promote the photoelectric conversion efficiency of the polymer solar battery.

Description

technical field The invention relates to a conjugated polymer used as an electron donor material of a polymer solar cell, and belongs to the field of polymer solar cell materials. Background technique Polymer solar cells have the advantages of low cost, light weight, rollability, and portability, and are the most promising solar cells. However, the main problems restricting the development of polymer solar cells are the poor electrochemical energy level matching, low hole mobility and narrow absorption spectrum of conjugated polymer materials acting as electron donor materials. In order to solve these problems, the use of D-A-D conjugated polymers with a non-aromatic ring structure can obtain broad absorption spectra and high hole mobility, and through fine modification and adjustment of substituent structures, optimized electrochemical properties can be obtained. . For a conjugated polymer material acting as an electron donor, the difference between the highest occupied ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G61/12H01L51/46
CPCY02E10/549Y02E10/50
Inventor 彭波韦玮高潮
Owner 无锡菲迪光电技术有限公司
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