Chiral-driven formation of hybrid cyanurates with large birefringence
2024-11-01
发表期刊CRYSTENGCOMM (IF:2.6[JCR-2023],2.6[5-Year])
EISSN1466-8033
卷号27期号:1页码:30-37
发表状态已发表
DOI10.1039/d4ce01123f
摘要Ultraviolet (UV) birefringent crystals have important applications in polarizers, optical isolators and optical information processing. Crystals with large birefringence can enhance the modulation ability of light and realize the miniaturization of devices. However, the birefringence of cyanurates is often limited by the large dihedral angles between anionic groups. In this work, a chiral-driven approach is proposed for the first time to construct cyanurates with large birefringence. We combined racemic or chiral alpha-methylbenzylamine (alpha-MBA) molecules with a pi-conjugated cyanurate group (CY), which led to the isolation of three organic hybrid cyanurates with wide band gaps >5.10 eV, namely, rac-alpha-MBACY, R-alpha-MBACY, and S-alpha-MBACY. Notably, the presence of chirality leads to a significant reduction of the dihedral angle between the alpha-MBA cation and (H2C3N3O3)(-) anion and a threefold increase in birefringence from 0.113@546 nm to 0.344@546 nm and 0.338@546 nm. The birefringence values of R-alpha-MBACY and S-alpha-MBACY exceed those of most of the cyanurates and commercial crystals, indicating their potential as UV birefringent crystals. This work provides new insights into the design and syntheses of UV birefringent materials.
关键词Chirality Microwave isolators Anionic groups Birefringent crystals Large birefringence Methylbenzylamine Miniaturization of devices Optical information Optical isolators Organic hybrids Polarisers Wide-band-gap
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收录类别SCI ; EI
语种英语
资助项目National Natural Science Foundation of China["22375201","22031009","21921001"]
WOS研究方向Chemistry ; Crystallography
WOS类目Chemistry, Multidisciplinary ; Crystallography
WOS记录号WOS:001368787000001
出版者ROYAL SOC CHEMISTRY
EI入藏号20244917493396
EI主题词Birefringence
EI分类号1301.1.3 ; 714.3 Waveguides ; 741.1 Light/Optics
原始文献类型Journal article (JA)
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/446064
专题物质科学与技术学院_硕士生
物质科学与技术学院_特聘教授组_毛江高组
物质科学与技术学院_博士生
通讯作者Mao Jiang-Gao
作者单位
1.State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences
2.School of Physical Science and Technology, ShanghaiTech University
3.University of Chinese Academy of Sciences
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
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Zhao Yue,Hu Chun-Li,Chen Peng-Fei,et al. Chiral-driven formation of hybrid cyanurates with large birefringence[J]. CRYSTENGCOMM,2024,27(1):30-37.
APA Zhao Yue,Hu Chun-Li,Chen Peng-Fei,Zhang Ming-Zhi,&Mao Jiang-Gao.(2024).Chiral-driven formation of hybrid cyanurates with large birefringence.CRYSTENGCOMM,27(1),30-37.
MLA Zhao Yue,et al."Chiral-driven formation of hybrid cyanurates with large birefringence".CRYSTENGCOMM 27.1(2024):30-37.
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