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(C10N2H10)(HI2O6)(HIO3)(IO3): A Birefringent Material Featuring Large π-Conjugated Organic Cation and Two Types of Iodate Anions
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2024-10-19 , DOI: 10.1021/acs.inorgchem.4c03500
Yu-Hang Wang 1 , De-Xuan Jiang 1 , De-Xuan Liu 1 , Fu-Ying Li 1 , He Zhao 1 , Jie Pan 1 , Qi Wei 1 , Li Wei 1 , Guo-Yu Yang 2
Affiliation  

Birefringent crystals, which can modulate and polarize light, play a vital role in the development of optical sensors and optoelectronic devices. Herein, we synthesized a new birefringent crystal [(C10N2H10)(HI2O6)(HIO3)(IO3)] with large birefringence by integrating the large π-conjugated 4,4′-bipyridine group with two types of iodates anions ([IO3] and [HI2O6]) characterized by high polarizability anisotropy and strong stereochemically active lone pairs (SCALP). The crystal exhibits a large measured birefringence of 0.171 at 550 nm, surpassing most organic–inorganic hybrid iodate birefringent materials reported in the literature. Theoretical analyses reveal that the optical properties of the crystal arise primarily from the synergistic interactions between the π-conjugated 4,4′-bipyridine group and I–O groups. This research presents an effective method for the strategic integration of large π-conjugated organic cations into iodates, facilitating the design of novel birefringent materials and encouraging further exploration of superior birefringent substances.

中文翻译:


(C10N2H10)(HI2O6)(HIO3)(IO3):一种双折射材料,具有大π共轭有机阳离子和两种类型的碘酸阴离子



双折射晶体可以调制和偏振光,在光学传感器和光电器件的发展中起着至关重要的作用。在此,我们通过将大 π 共轭 4,4′-联吡啶基团与两种类型的碘酸阴离子([IO3]- )整合,合成了一种新的双折射晶体 [(C10N2H10)(HI2O6)(HIO3)(IO 3)]) 的特征是高极化各向异性和强立体化学活性孤对电子 (SCALP)。该晶体在 550 nm 处表现出 0.171 的大双折射,超过了文献中报道的大多数有机-无机杂化碘酸盐双折射材料。理论分析表明,晶体的光学性质主要来自 π 共轭的 4,4′-联吡啶基团和 I-O 基团之间的协同相互作用。本研究提供了一种将大π共轭有机阳离子战略整合到碘酸盐中的有效方法,促进了新型双折射材料的设计,并鼓励进一步探索优质双折射物质。
更新日期:2024-10-19
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