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

被引:7
|
作者
Liu, Ming-Qing [2 ]
Chen, Wen-Tong [1 ,2 ,3 ]
Wei, Lijun [1 ]
Zhong, Qiu-Yue [1 ]
Yin, Chuan-Kang [1 ]
Yi, Xiu-Guang [1 ]
机构
[1] Jinggangshan Univ, Hum Acid Utilizat Engn Res Ctr Jiangxi Prov, Sch Chem & Chem Engn,Jiangxi Prov Key Lab Coordin, Inst Appl Chem,Jian Key Lab Photoelect Crystal Ma, Jian 343009, Jiangxi, Peoples R China
[2] Jishui Jincheng Technol Co Ltd, Jian 343009, Jiangxi, Peoples R China
[3] Wuyi Univ, Dept Ecol & Resources Engn, Fujian Key Lab Ecoind Green Technol, Wuyishan 354300, Fujian, Peoples R China
关键词
crystal; terbium; lanthanide; photoluminescence; band gap; AQUEOUS-PHASE DETECTION; TB-ORGANIC-FRAMEWORKS; IONIC LIQUID; COMPLEXES; POLYMERS; PHOTOLUMINESCENCE;
D O I
10.1007/s10870-022-00963-z
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
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 D-5(4) -> F-7(5), D-5(4) -> F-7(4) and D-5(4) -> F-7(2) 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. [GRAPHICS] .
引用
收藏
页码:266 / 272
页数:7
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