Development of an electroactive layer-by-layer assembly based on host-guest supramolecular interactions

被引：4
作者：
Damos, Flavio S. [1 ,2 ,4 ]
Luz, Rita C. S. [1 ,2 ,4 ]
Tanaka, Auro A. [3 ,4 ]
Kubota, Lauro T. [1 ,4 ]
机构：
[1] Univ Estadual Campinas, Inst Chem, BR-13084971 Campinas, SP, Brazil
[2] Univ Fed Vales Jequitinhonha & Mucuri, Dept Chem, BR-39100000 Diamantina, MG, Brazil
[3] Univ Fed Maranhao, Dept Chem, BR-65085040 Sao Luis, MA, Brazil
[4] Univ Estadual Campinas, Inst Nacl Ciencia & Tecnol Bioanalit, BR-13084971 Campinas, SP, Brazil
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2010年 / 639卷 / 1-2期
基金：
巴西圣保罗研究基金会;
关键词：
Electrochemical properties; Layer-by-layer assembly; Host-guest interface; Supramolecular interaction; Multivalent interface; GOLD NANOPARTICLES; HYDROGEN-PEROXIDE; FILMS; REDUCTION; OXYGEN; POLYANILINE; MONOLAYERS; CATALYSIS; OXIDATION; POLYMERS;
D O I：
10.1016/j.jelechem.2009.11.008
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The development of a novel electrochemically stable host-guest supramolecular complex at a host surface is described. It was constructed by combining a self-assembled monolayer (SAM) of mono-(6-deoxy-6-mercapto)-beta-cyclodextrin (beta CDSH), iron (III) tetra-(N-methyl-4-pyridyl)-porphyrin (FeTMPyP) as the guest-link-molecule and beta-cyclodextrin-functionalized gold nanoparticles (beta CDAuNP). The building process of the layer-by-layer assembly was monitored by surface plasmon resonance spectroscopy (SPR). The binding processes between the host-functionalized gold surface and the linker molecule (FeTMPyP) were verified to be monovalent, and for host-functionalized gold nanoparticles with FeTMPyP, the interaction was determined to be bivalent. Finally, the electrochemical properties of the electroactive supramolecular multivalent film were determined. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：36 / 42
页数：7
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