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基于六苯基的液晶的分子设计:迈向具有增强光学性质的温度稳定向列相。

Molecular Design of Sexiphenyl-Based Liquid Crystals: Towards Temperature-Stable, Nematic Phases with Enhanced Optical Properties.

作者信息

Herman Jakub, Harmata Piotr, Rychłowicz Natan, Kula Przemysław

机构信息

Faculty of Advanced Technologies and Chemistry, Military University of Technology, 2 Gen. S. Kaliskiego St., 00-908 Warsaw, Poland.

出版信息

Molecules. 2024 Feb 21;29(5):946. doi: 10.3390/molecules29050946.

DOI:10.3390/molecules29050946
PMID:38474458
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10934087/
Abstract

This research introduces a novel liquid crystal molecular design approach based on the para-sexiphenyl (6P) structure. Six new liquid crystalline materials were synthesized, incorporating an alkyl terminal and lateral substitutions of the sexiphenyl core to achieve temperature-stable and broad nematic phases. The synthetic pathway involved cross-coupling, resulting in derivatives with strong nematogenic characteristics. Optical investigations demonstrated that the tested material had high birefringence values, making it promising for optical and electronic applications. These results open up new avenues of research and offer potential practical applications in electronics, photonics, optoelectronics and beyond.

摘要

本研究介绍了一种基于对六苯基(6P)结构的新型液晶分子设计方法。合成了六种新的液晶材料,在六苯基核心上引入了烷基末端和侧向取代基,以实现温度稳定且宽广的向列相。合成途径涉及交叉偶联,得到了具有强致 nematogenic 特性的衍生物。光学研究表明,测试材料具有高双折射值,这使其在光学和电子应用方面具有潜力。这些结果开辟了新的研究途径,并在电子学、光子学、光电子学及其他领域提供了潜在的实际应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/fe3bdf01b1fa/molecules-29-00946-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/6bad7e989c74/molecules-29-00946-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/d695ce78f0d1/molecules-29-00946-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/c1f8c985cd14/molecules-29-00946-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/fe3bdf01b1fa/molecules-29-00946-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/6bad7e989c74/molecules-29-00946-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/d695ce78f0d1/molecules-29-00946-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/c1f8c985cd14/molecules-29-00946-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ad/10934087/fe3bdf01b1fa/molecules-29-00946-g004.jpg

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Low-Dimensional Metal-Organic Coordination Structures on Graphene.石墨烯上的低维金属有机配位结构
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典型的有机氧化物界面:InO(111)上的 Sexiphenyl 的分子内分辨。
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