(C10N2H10)(HI2O6)(HIO3)(IO3): A Birefringent Material Featuring Large π-Conjugated Organic Cation and Two Types of Iodate Anions

IF 4.3 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Pub Date : 2024-10-19 DOI:10.1021/acs.inorgchem.4c03500

Yu-Hang Wang, De-Xuan Jiang, De-Xuan Liu, Fu-Ying Li, He Zhao, Jie Pan, Qi Wei, Li Wei, Guo-Yu Yang

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Abstract

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.

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(C10N2H10)(HI2O6)(HIO3)(IO3):一种具有大π共轭有机阳离子和两种碘酸根阴离子的双折射材料

双折射晶体可对光进行调制和偏振，在光学传感器和光电子器件的开发中发挥着重要作用。在此，我们通过将大π共轭 4,4′-联吡啶基团与两种碘酸根阴离子（[IO3]- 和 [HI2O6]-）结合，合成了一种具有高偏振性各向异性和强立体化学活性孤对（SCALP）特征的新型双折射晶体[(C10N2H10)(HI2O6)(HIO3)(IO3)]。该晶体在 550 纳米波长处的测量双折射高达 0.171，超过了文献报道的大多数有机-无机杂化碘酸盐双折射材料。理论分析表明，该晶体的光学特性主要源于π-共轭 4,4′-联吡啶基团和 I-O 基团之间的协同作用。这项研究提出了一种将大π共轭有机阳离子战略性地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，并鼓励了对高级双折射物质的进一步探索。

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来源期刊

Inorganic Chemistry 化学-无机化学与核化学

CiteScore

7.60

自引率

13.00%

发文量

1960

审稿时长

1.9 months

期刊介绍： Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.