Crystal structure and solid-state luminescence properties of [Tb(H2O)9]Cl(C10H6O4S4)2 (C10H6O4S42− = 2,6-naphthalenedisulfonate)

IF 0.4 4区化学 Q4 CRYSTALLOGRAPHY

Journal of Chemical Crystallography Pub Date : 2022-10-26 DOI:10.1007/s10870-022-00963-z

Ming-Qing Liu, Wen-Tong Chen, Lijun Wei, Qiu-Yue Zhong, Chuan-Kang Yin, Xiu-Guang Yi

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引用次数: 2

Abstract

A terbium 2,6-naphthalenedisulfonic acid compound, [Tb(H₂O)₉]Cl(C₁₀H₆O₄S₄)₂ (C₁₀H₆O₄S₄²⁻ = 2,6-naphthalenedisulfonate), is prepared and characterized by single-crystal X-ray diffraction. This compound is characterized by an isolated structure with the terbium ion possessing a mono-capped square antiprism coordination geometry. The [Tb(H₂O)₉]³⁺ cations and (2,6-naphthalenedisulfonic acid)²⁻ anions are linked by hydrogen-bonding interactions to yield a three-dimensional supramolecular network. The solid state luminescence spectrum reveals that this compound shows the strongest emission band in the red region. The luminescence emission peaks can be ascribed to the characteristic emissions of the 4f electron intrashell transitions ⁵D₄ → ⁷F₅, ⁵D₄ → ⁷F₄ and ⁵D₄ → ⁷F₂ of the Tb³⁺ ion. The CIE (Commission Internationale de L’Eclairage) chromaticity coordinates are (0.5647, 0.4338). Solid-state UV/Vis diffuse reflectance spectra reveal that compound 1 shows a wide optical band gap of 4.92 eV.

Graphical abstract

A novel terbium 2,6-naphthalenedisulfonic acid compound is prepared and characterized

Abstract Image

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[Tb(H2O)9]Cl(C10H6O4S4)2 (C10H6O4S42−= 2,6-萘二磺酸盐)的晶体结构和固态发光性能

制备了一种2,6-萘二磺酸铽化合物[Tb(H2O)9]Cl(C10H6O4S4)2 (C10H6O4S42−= 2,6-萘二磺酸盐)，并用单晶x射线衍射对其进行了表征。该化合物具有分离结构，铽离子具有单帽方形反棱镜配位几何。[Tb(H2O)9]3+阳离子和(2,6-萘二磺酸)2 -阴离子通过氢键相互作用连接，形成三维超分子网络。固体发光光谱显示，该化合物在红色区域具有最强的发射带。发光发射峰可归因于Tb3+离子的4f电子壳内跃迁5D4→7F5、5D4→7F4和5D4→7F2的特征发射。CIE (Commission Internationale de L’eclairage)色度坐标为(0.5647,0.4338)。固体UV/Vis漫反射光谱显示化合物1具有4.92 eV的宽带隙。摘要制备了一种新型2,6-萘二磺酸铽化合物，并对其进行了表征

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来源期刊

Journal of Chemical Crystallography 化学-光谱学

CiteScore

1.50

自引率

12.50%

发文量

审稿时长

6.3 months

期刊介绍： Journal of Chemical Crystallography is an international and interdisciplinary publication dedicated to the rapid dissemination of research results in the general areas of crystallography and spectroscopy. Timely research reports detail topics in crystal chemistry and physics and their relation to problems of molecular structure; structural studies of solids, liquids, gases, and solutions involving spectroscopic, spectrometric, X-ray, and electron and neutron diffraction; and theoretical studies.