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Disilane-bridged architectures: an emerging class of molecular materials
Chemical Science ( IF 7.6 ) Pub Date : 2023-09-08 , DOI: 10.1039/d3sc02690f Zhikuan Zhou 1 , Lizhi Gai 1 , Li-Wen Xu 1 , Zijian Guo 2 , Hua Lu 1
Chemical Science ( IF 7.6 ) Pub Date : 2023-09-08 , DOI: 10.1039/d3sc02690f Zhikuan Zhou 1 , Lizhi Gai 1 , Li-Wen Xu 1 , Zijian Guo 2 , Hua Lu 1
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Disilanes are organosilicon compounds that contain saturated Si–Si bonds. The structural characteristics of Si–Si single bonds resemble those of C–C single bonds, but their electronic structure is more similar to that of C![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
C double bonds, as Si–Si bonds have a higher HOMO energy level. These organosilicon compounds feature unique intramolecular σ electron delocalization, low ionization potentials, polarizable electronic structure, and σ–π interaction. It has been demonstrated that the employment of disilane units (Si–Si) is a versatile and effective approach for finely adjusting the photophysical properties of organic materials in both solution and solid states. In this review, we present and discuss the structure, properties, and relationships of novel σ–π-conjugated hybrid architectures with saturated Si–Si σ bonds. The application of disilane-bridged σ-conjugated compounds as optoelectronic materials, multifunctional solid-state emitters, CPL, and non-linear optical and stimuli-responsive materials is also reviewed.
中文翻译：
乙硅烷桥结构：一类新兴的分子材料
乙硅烷是含有饱和 Si-Si 键的有机硅化合物。Si-Si单键的结构特征类似于C-C单键，但其电子结构更类似于C-C双键，因为Si-Si键具有更高的HOMO能级。这些有机硅化合物具有独特的分子内σ电子离域、低电离势、可极化电子结构和σ-π相互作用。事实证明，使用乙硅烷单元（Si-Si）是一种通用且有效的方法，可以微调溶液和固态有机材料的光物理性质。在这篇综述中，我们介绍并讨论了具有饱和 Si-Si σ 键的新型 σ-π 共轭杂化结构的结构、性质和关系。还综述了乙硅烷桥联σ共轭化合物作为光电材料、多功能固态发射器、CPL以及非线性光学和刺激响应材料的应用。
更新日期：2023-09-08
C double bonds, as Si–Si bonds have a higher HOMO energy level. These organosilicon compounds feature unique intramolecular σ electron delocalization, low ionization potentials, polarizable electronic structure, and σ–π interaction. It has been demonstrated that the employment of disilane units (Si–Si) is a versatile and effective approach for finely adjusting the photophysical properties of organic materials in both solution and solid states. In this review, we present and discuss the structure, properties, and relationships of novel σ–π-conjugated hybrid architectures with saturated Si–Si σ bonds. The application of disilane-bridged σ-conjugated compounds as optoelectronic materials, multifunctional solid-state emitters, CPL, and non-linear optical and stimuli-responsive materials is also reviewed.
中文翻译：
乙硅烷桥结构：一类新兴的分子材料
乙硅烷是含有饱和 Si-Si 键的有机硅化合物。Si-Si单键的结构特征类似于C-C单键，但其电子结构更类似于C-
C双键，因为Si-Si键具有更高的HOMO能级。这些有机硅化合物具有独特的分子内σ电子离域、低电离势、可极化电子结构和σ-π相互作用。事实证明，使用乙硅烷单元（Si-Si）是一种通用且有效的方法，可以微调溶液和固态有机材料的光物理性质。在这篇综述中，我们介绍并讨论了具有饱和 Si-Si σ 键的新型 σ-π 共轭杂化结构的结构、性质和关系。还综述了乙硅烷桥联σ共轭化合物作为光电材料、多功能固态发射器、CPL以及非线性光学和刺激响应材料的应用。
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