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A study of oligothiophene-acceptor dyes in p-type dye-sensitized solar cells

机译:p型染料敏化太阳能电池中低噻吩接受染料的研究

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摘要

Two new dyes, E1 and E2, equipped with triphenylamine as the electron donor, oligothiophene as the linker and different electron acceptor groups, have been designed and synthesized as photosensitizers for p-type dye-sensitized solar cells (p-DSCs). A systematic study of the effect of molecular structures on the observed photophysical properties, the electron/hole recombination process, the overall performance and the interfacial charge separation was carried out. Transient absorption spectroscopy (TAS) shows that the E1 dye with a napthoilene-1,2-benzimidazole (NBI) unit as the acceptor has a longer lifetime in the reduced state than the E2 dye with a malononitrile subunit on the NiO surface.
机译:两种新的染料,E1和E2配备了作为电子给体,低噻吩作为接头和不同电子受体基团的三苯胺,已经设计和合成为P型染料敏化太阳能电池(P-DSC)的光敏剂。 进行了分子结构对观察到的光学性质,电子/空穴重组过程,整体性能和界面电荷分离的影响的系统研究。 瞬态吸收光谱(TAs)表明,作为受体的萘基亚烯-1,2-苯并咪唑(NBI)单元的E1染料在降低状态下具有比NIO表面上的丙二腈亚基的E2染料在降低的状态下具有更长的寿命。

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  • 来源
    《RSC Advances》 |2016年第22期|共13页
  • 作者单位

    KTH Royal Inst Technol Dept Chem Chem Sci &

    Engn Organ Chem SE-10044 Stockholm Sweden;

    Uppsala Univ Dept Chem Angstrom Lab Phys Chem Box 523 SE-75120 Uppsala Sweden;

    KTH Royal Inst Technol Sch Chem Sci &

    Engn Dept Chem Appl Phys Chem Tekn Ringen 30 SE-10044 Stockholm Sweden;

    KTH Royal Inst Technol Dept Chem Chem Sci &

    Engn Organ Chem SE-10044 Stockholm Sweden;

    Uppsala Univ Dept Chem Angstrom Lab Phys Chem Box 523 SE-75120 Uppsala Sweden;

    Uppsala Univ Dept Chem Angstrom Lab Phys Chem Box 523 SE-75120 Uppsala Sweden;

    Uppsala Univ Dept Chem Angstrom Lab Phys Chem Box 523 SE-75120 Uppsala Sweden;

    Uppsala Univ Dept Chem Angstrom Lab Phys Chem Box 523 SE-75120 Uppsala Sweden;

    KTH Royal Inst Technol Sch Chem Sci &

    Engn Dept Chem Appl Phys Chem Tekn Ringen 30 SE-10044 Stockholm Sweden;

    KTH Royal Inst Technol Dept Chem Chem Sci &

    Engn Organ Chem SE-10044 Stockholm Sweden;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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