Electrochemical behavior of heteropoly acid anions adsorbed in electrodes modified with mesoporous molecular sieve silica

J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (S1): 131-135.

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Electrochemical behavior of heteropoly acid anions adsorbed in electrodes modified with mesoporous molecular sieve silica

Wenjiang LI, Zichen WANG, Changqing SUN, Muyu ZHAO, Youwei YAO,Aili CUI

Department of Chemistry, Jilin University, Changchun 130023, China...

Received:2000-10-12 Revised:2001-02-12 Online:2001-10-28 Published:2009-10-10
Contact: Zichen WANG

Abstract

Abstract: Heteropoly acid H4SiW12O48 (denoted as SiW12) was assembled with the mesoporous materials MCM-41 modified with 3-aminopropyltriethoxysilane (APTES) (denote MCM-41((m))). The electrochemical behavior of SiW12/MCM-41((m)) complexes-based electrode indicated SiW12 anion was adsorbed by MCM-41((m)). In MCM-41((m)) electrode, large voltammetric waves, showing that the electrostatic bound ions adsorbed in MCM-41((m)) were electrochemically active. The potential application as amperometric sensors for nitrite is anticipated.

Key words:

Wenjiang LI, Zichen WANG, Changqing SUN, Muyu ZHAO, Youwei YAO, Aili CUI. Electrochemical behavior of heteropoly acid anions adsorbed in electrodes modified with mesoporous molecular sieve silica[J]. J Mater Sci Technol, 2001, 17(S1): 131-135.

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Electrochemical behavior of heteropoly acid anions adsorbed in electrodes modified with mesoporous molecular sieve silica

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