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Updated: Jan 11, 2026

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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热稳定和高性能有机非线性光学染色体用于先进的电光调节器.

Changqing Ge1, Fuyang Huo2, Jiangyi Liu1

  • 1Optoelectronics Research Centre, Engineering Research Centre of Photonic Design Software (Ministry of Education), School of Science, Minzu University of China, Beijing, 100081, P.R. China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|November 17, 2025
PubMed
概括

具有庞大的替代剂的新型有机染色体提供高电光系数和热稳定性. 这些材料显示了先进光电子设备的潜力,其中一个可以达到304 pm/V EO系数和高速调制器性能.

关键词:
电光系数的电光系数电光调制器电光调制器高速的高速公路.低半波电压的一半波电压.整洁的染色体是整洁的染色体.

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Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
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The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
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The stereochemistry of electrocyclic reactions is strongly influenced by the orbital symmetry of the polyene HOMO. Under thermal conditions, the reaction proceeds via the ground-state HOMO.
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