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首页> 外文期刊>Chemistry: A European journal >Functionalization of a Ruthenium–Diacetylide Organometallic Complex as a Next-Generation Push–Pull Chromophore
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Functionalization of a Ruthenium–Diacetylide Organometallic Complex as a Next-Generation Push–Pull Chromophore

机译：钌-二乙炔金属有机化合物作为下一代推挽发色团的功能化

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摘要

The design and preparation of an asymmetric ruthenium–diacetylide organometallic complex was successfully achieved to provide an original donor–π–[M]–π–acceptor architecture, in which [M] corresponds to the [Ru(dppe)_2] (dppe: bisdiphenylphosphinoethane) metal fragment. The charge-transfer processes occurring upon photoexcitation of the push–pull metal–dialkynyl σ complex were investigated by combining experimental and theoretical data. The novel push–pull complex, appropriately end capped with an anchoring carboxylic acid function, was further adsorbed onto a semiconducting metal oxide porous thin film to serve as a photosensitizer in hybrid solar cells. The resulting photoactive material, when embedded in dye-sensitized solar cell devices, showed a good spectral response with a broad incident photon-to-current conversion efficiency profile and a power conversion efficiency that reached 7.3 %. Thus, this material paves the way to a new generation of organometallic chromophores for photovoltaic applications.
机译：成功地完成了不对称钌-二乙炔有机金属络合物的设计和制备，以提供原始的供体-π-[M]-π-受体结构，其中[M]对应于[Ru（dppe）_2]（dppe：双二苯基膦基乙烷）金属片段。通过结合实验和理论数据研究了推挽式金属-二炔基σ配合物光激发时发生的电荷转移过程。这种新型的推挽式配合物（具有适当的末端具有锚固的羧酸功能）被进一步吸附到半导体金属氧化物多孔薄膜上，以用作混合太阳能电池中的光敏剂。当将所得的光敏材料嵌入染料敏化的太阳能电池器件中时，它显示出良好的光谱响应，入射光子至电流的转换效率分布范围广，功率转换效率达到7.3％。因此，这种材料为用于光伏应用的新一代有机金属发色团铺平了道路。

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