A new dual fluorogenic and chromogenic "turn-on" chemosensor for Cu2+/F- ions

被引：16
|
作者：
Yu, Hyungwook [1 ]
Lee, Jae-Young [1 ]
Angupillai, Satheshkumar [1 ]
Wang, Sheng [2 ]
Feng, Shuhang [2 ]
Matsumoto, Shinya [3 ]
Son, Young-A [1 ]
机构：
[1] Chungnam Natl Univ, Dept Adv Organ Mat & Text Syst Engn, Taejon 305764, South Korea
[2] Zhanjiang Normal Univ, Sch Chem Sci & Technol, Dev Ctr New Mat Engn & Technol Univ Guangdong, Zhanjiang 524048, South Korea
[3] Yokohama Natl Univ, Grad Sch Environm & Informat Sci, Yokohama, Kanagawa 2408501, Japan
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2015年 / 151卷
基金：
新加坡国家研究基金会;
关键词：
Rhodamine B; Thiourea; Copper; Fluoride; Dual sensor; FLUORESCENT SENSOR; SELECTIVE DETECTION; FLUORIDE IONS; CU(II) IONS; RHODAMINE; COPPER; PROBE; RECOGNITION; FERROCENE; ANION;
D O I：
10.1016/j.saa.2015.06.078
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Turn "off-on" chemosensor 2-(-2-((3',6'-bis(diethylamino)-3-oxospiro[isoindoline-1,9'-xanthen]-2-yl)imino)ethylidene)-N-phenylhydrazine-1-carbothioamide (RBS) was designed and synthesized. Using the naked eye, RBS showed favorable observation characteristics with both Cu2+ and F- ions. The various modes of sensitivity shown by RBS toward the Cu2+ and F- ions were investigated by spectral techniques, including UV-Vis, fluorescence and H-1 NMR spectroscopy. The Job's plot indicated the formation of 1:1 complex between RBS and Cu2+/F-. The binding constant of the RBS-guest(-) complexes were found to be 1.3 x 10(4) and 6.2 x 10(3) M-1 for the RBS-Cu2+ and RBS-F-, respectively. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：48 / 55
页数：8
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