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Construction of a High-Nuclearity Elliptical Yb(III) Nanoring: NIR Luminescent Response to Metal Ions and Nitro Explosives.
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-09-20 , DOI: 10.1021/acs.inorgchem.0c02670
Dongliang Shi 1 , Xiaoping Yang 1 , Yanan Ma 1 , Mengyu Niu 1 , Richard A Jones 2
Affiliation  

One 14-metal Yb(III) nanoring [Yb14(HL)2L20(DMF)8(H2O)8] (1) with a size of about 1.1 × 2.5 × 2.7 nm was synthesized from a tridentate ligand. Under the excitation of ligand absorption bands, 1 exhibits the NIR luminescence of Yb(III) and displays high luminescence sensitivity and selectivity to Co(II), Cu(II), and 2,4,6-trinitrophenol (PA) at the parts per million level. The KSV values of 1 to Co(II), Cu(II), and PA are 6.0 × 104 M–1, 3.8 × 104 M–1, and 6.9 × 104 M–1, respectively. 1 exhibits high luminescent sensitivity to PA even in the presence of other explosives.

中文翻译:

高核椭圆Yb(III)纳米环的构建:对金属离子和硝基炸药的近红外发光响应。

由三齿配体合成了一个14金属的Yb(III)纳米环[Yb 14(HL)2 L 20(DMF)8(H 2 O)8 ](1),其尺寸约为1.1×2.5×2.7 nm。在配体吸收带的激发下,1表现出Yb(III)的NIR发光,并在部分显示出对Co(II),Cu(II)和2,4,6-三硝基苯酚(PA)的高发光灵敏度和选择性。每百万级 所述ķ SV的值1对Co(II),铜(II),和P A是6.0×10 4中号-1,3.8×10 4中号-1和6.9×10分别为4 M –11甚至在存在其他炸药的情况下,对PA仍具有很高的发光敏感性。
更新日期:2020-10-05
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