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Di-polyindenothiophene derivatives and use thereof

A technology of dimerized indenethiophene and derivatives is applied in the field of dimerized indenethiophene derivatives, which can solve the problems of narrow absorption band and inability to fully utilize the solar spectrum, etc., and achieves high light absorption coefficient, high photoelectric conversion efficiency, and overlapping high effect

Active Publication Date: 2009-07-08
ETERNAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason may be that its absorption band is narrow and cannot make full use of the solar spectrum.

Method used

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  • Di-polyindenothiophene derivatives and use thereof
  • Di-polyindenothiophene derivatives and use thereof
  • Di-polyindenothiophene derivatives and use thereof

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Experimental program
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Embodiment Construction

[0017] The bisindenethiophene derivatives of the present invention have a chemical structure shown in the following formula (1):

[0018] Formula 1)

[0019] Among them, G 1 , G 2 , G 3 and G 4 Each is a substituted or unsubstituted C 6 -C 40 Aromatic group or C 1 -C 40 an aliphatic group; A is an electron withdrawing group; and D is an electron donating group.

[0020] According to the present invention, the preferred G 1 , G 2 , G 3 and G 4 substituted or unsubstituted C, respectively 6 -C 20 Aromatic group, more preferably, G 1 , G 2 , G 3 and G 4 Respectively selected from the group formed according to the following formula (3), formula (4), formula (5) and formula (6),

[0021] Formula (3)

[0022] Formula (4)

[0023] Formula (5)

[0024] Formula (6)

[0025] Among them, R 1 , R 2 , R 3 and R 4 Each is a hydrogen atom, C 1 -C 8 Alkyl or C 1 -C 8 alkoxy; and B is CH 2 , NH, S, Si or O.

[0026] According to the present invention, ...

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Abstract

The invention provides di-polyindenyl thiophene derivatives and the uses of the same. The di-polyindenyl thiophene derivatives have a chemical structure of a formula (I), wherein G1, G2, G3 and G4 are substituted or unsubstituted aromatic groups having 6 to 40 carbon atoms or fatty groups having 1 to 10 carbon atoms respectively, A is an electron acceptor group, and D is an electronic donor group. The di-polyindenyl thiophene derivatives can be used in dye-sensitized solar cells and have high photoabsorption coefficient, and can be used as sensitizing dye for the dye-sensitized solar cells. Due to high superimposability of the adsorption spectra of the derivatives and the solar spectrum, the derivatives achieve high photoelectric transformation efficiency when used in the dye-sensitized solar cells.

Description

technical field [0001] The invention relates to a bisindenethiophene derivative, which can be used as a sensitizing dye for dye-sensitized solar cells. Background technique [0002] With the rapid development of science and technology and economy, the use of energy has also increased significantly. The stocks of the most used raw materials such as oil, natural gas, and coal are constantly decreasing, and the increased demand must rely on other emerging energy sources. To meet, because solar energy is less polluting, it is currently one of the most promising and important energy research topics. So far, many different types of solar cells have been developed, among which Dye-Sensitized Solar Cell (DSSC) is considered to have the most development potential because of its low price. [0003] DSSC was first developed in 1976 by the Tsubomura team in Japan using porous ZnO as an electrode, and its photoelectric conversion efficiency was 2.5%. The photoelectric conversion effici...

Claims

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Application Information

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IPC IPC(8): C07D409/04H01M14/00H01G9/20H01G9/022
CPCY02E10/542
Inventor 陈信宏汪根欉林雅晏邱仕丰陈嘉弘
Owner ETERNAL MATERIALS CO LTD
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