A red to blue series of push–pull dyes for NiO based p-DSSCs†,Sustainable Energy & Fuels

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A red to blue series of push–pull dyes for NiO based p-DSSCs†
Sustainable Energy & Fuels ( IF 5.0 ) Pub Date : 2017-12-18 00:00:00 , DOI: 10.1039/c7se00474e
R. Brisse _{1,

2,

3,

4,

5} , C. Praveen _{6,

7,

8,

9,

10} , V. Maffeis _{1,

2,

3,

4,

5} , T. Bourgeteau _{1,

2,

3,

4,

5} , D. Tondelier _{10,

11,

12,

13,

14} , T. Berthelot _{1,

2,

3,

4,

5} , B. Geffroy _{1,

2,

3,

4,

5} , T. Gustavsson _{3,

4,

5,

15,

16} , J. M. Raimundo _{6,

7,

8,

9,

10} , B. Jousselme _{1,

2,

3,

4,

5}

Affiliation

Laboratory of Innovation in Surface Chemistry and Nanosciences (LICSEN)
NIMBE
CEA
CNRS
Université Paris-Saclay
Centre Interdisciplinaire de Nanoscience de Marseille (CINaM)
CNRS UMR 7325
Aix Marseille Université
13288 Marseille Cedex 09
France
Laboratoire de Physique des Interfaces et Couches Minces (LPICM)
CNRS UMR 7647
Ecole Polytechnique
Palaiseau F-91128
LIDYL
91191 Gif-sur-Yvette

Finding efficient dyes for NiO photocathodes either for inverse or tandem DSSCs is essential to developing these promising low-cost solar cells. This paper reports the design, synthesis and physical property characterization of four new triphenylamine–bithiophene push–pull dyes with acceptors of increasing electronic affinity, in order to shift their absorption to the red region of the visible spectrum. The dyes were tested in a p-type DSSC configuration with 850 nm NiO ink-jet printed photocathodes and their performances were compared with that of the reference dye P1. With an iodine electrolyte, one of the dyes, possessing a 1,3-diethyl-2-thiobarbituric acceptor, shows superior performance to P1, with PCE reaching 0.124% and a J_SC of 4.32 mA cm⁻².

中文翻译：

用于基于NiO的p-DSSC的红色至蓝色系列推挽式染料†

为反向或串联DSSC寻找NiO光电阴极的高效染料对于开发这些有前途的低成本太阳能电池至关重要。本文报道了四种新型三苯胺-联噻吩推挽式染料的设计，合成和物理性质表征，这些染料的电子亲和力不断增加，以便将其吸收转移到可见光谱的红色区域。在具有850 nm NiO喷墨打印的光电阴极的p型DSSC构造中测试了该染料，并将其性能与参考染料P1进行了比较。使用碘电解质，其中一种染料具有1,3-二乙基-2-硫代巴比妥酸受体，表现出优于P1的性能，PCE达到0.124％，J _SC为4.32 mA cm⁻²。

更新日期：2017-12-18

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