Ion-selective Langmuir Blodgett Films of a Chromoionophore

Igor K. Lednev; Michael C. Petty

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Ion-selective Langmuir Blodgett Films of a Chromoionophore

机译：离子载体的离子选择性Langmuir Blodgett膜

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Langmuir-Blodgett films built up from an amphiphilic derivative of benzothiazolium styryl dye containing a 1,10-dithia-18-crown-6 ether group have been found to complex with 'soft' polarisable ions such as Ag~+ and Hg~(2+) in water. The films exhibited high sensitivity (stability constant of complex formation K ≈10~5 M~(-1)) and high selectivity (e.g. K(Ag~+)/K(Pb~(2+)) > 10~5) compared with aqueous solutions of similar ionophores. This was attributed to the predominant formation of complexes with ligand-cation stoichiometries of 2:1 in the films.

机译：由含有1,10-二硫杂-18-冠-6醚基的苯并噻唑鎓苯乙烯基染料的两亲衍生物构建的Langmuir-Blodgett薄膜发现与``软''可极化离子如Ag〜+和Hg〜（2 +）在水中。薄膜具有较高的灵敏度（复合物形成稳定常数K≈10〜5 M〜（-1））和高选择性（例如K（Ag〜+）/ K（Pb〜（2+））> 10〜5）。用类似离子载体的水溶液。这归因于在膜中主要形成配体-阳离子化学计量比为2：1的络合物。

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《Advanced Materials for Optics and Electronics》 |1995年第3期|p.137-143|共7页
作者
Igor K. Lednev; Michael C. Petty;
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正文语种 eng
中图分类无线电电子学、电信技术;
关键词
sensor; langmuir-blodgett film; chromoionophore; crown ether; complex formation; stability constant; absorbance; water; metal cation; silver; mercury; lead; barium;

机译：传感器;朗缪尔-布洛杰特膜;生色团;冠状醚;络合物形成;稳定常数;吸光度;水;金属阳离子;银;汞;铅;钡;

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5. Nanopatterning and Functionalization of Phospholipid-Based Langmuir-Blodgett and Langmuir-Schaefer Films. [D] . Tang, Nathalie Y-Wa. 2011

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6. Structure and Elastic Properties of an UnsymmetricalBi-Heterocyclic Azo Compound in the Langmuir Monolayer and Langmuir–Blodgett Film [O] . Ikbal Ahmed, Tanmay Mathur, A. K. M. Maidul Islam, 2020

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7. Cation-Controlled Excimer Packing in Langmuir-Blodgett Films of Hemicyanine Amphiphilic Chromoionophores. [O] . Selektor, S. L., Shcherbina, M. A., Bakirov, A. V., 2016

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机译：高度有序的多杂环薄膜：聚吡咯和聚噻吩Langmuir-Blodgett薄膜的同步辐射研究

Ion-selective Langmuir Blodgett Films of a Chromoionophore

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