Electrogeneration of ultra-thin silica films for the functionalization of macroporous electrodes

被引：31

作者：

Qu, Fengli ^{[1
]}

Nasraoui, Rihab ^{[1
]}

Etienne, Mathieu ^{[1
]}

Saint Come, Yemima Bon ^{[2
,3
]}

Kuhn, Alexander ^{[2
]}

Lenz, Jennifer ^{[2
,3
]}

Gajdzik, Janine ^{[3
]}

Hempelmann, Rolf ^{[3
]}

Walcarius, Alain ^{[1
]}

机构：

[1] Nancy Univ, LCPME, CNRS, F-54600 Villers Les Nancy, France

[2] Univ Bordeaux 1, CNRS, ISM, ENSCBP, F-33607 Pessac, France

[3] Univ Saarland, D-66123 Saarbrucken, Germany

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2011年 / 13卷 / 02期

关键词：

Macroporous electrodes; Sol-gel films; Silica; Electrodeposition; Haemoglobin; SOL-GEL FILMS; ELECTROCHEMISTRY; HEMOGLOBIN; DEPOSITION; GOLD;

D O I：

10.1016/j.elecom.2010.11.034

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Electro-assisted generation of ultra-thin silica films can be achieved by using very dilute tetraethoxysilane (TEOS) precursors in the starting sol. The electrochemical manipulation of pH enables to catalyze polycondensation only at the electrode/solution interface, which offers the advantage of uniform deposition of thin layers onto the whole internal surfaces of macroporous gold electrodes, without any pore clogging effect. This opens promising avenues for application in various fields, as shown here for active biomolecule encapsulation. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：138 / 142

页数：5

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