ITO Electrode Modified by a-K6[P2W18O62] Hybrid Nanofibers for Nitrite Determination

被引：8
|
作者：
Cao, Fei [1 ]
Guo, Shu [1 ]
Ma, Huiyan [1 ]
Gong, Jian [1 ]
机构：
[1] NE Normal Univ, Key Lab Polyoxometalates Sci, Minist Educ, Changchun 130024, Peoples R China
来源：
ELECTROANALYSIS | 2012年 / 24卷 / 02期
关键词：
Nitrite; Determination; Polyoxometalate; Electrospinning fiber; Poly(vinyl alcohol); DAWSON-TYPE POLYOXOMETALATE; LITHIUM-ION BATTERIES; ELECTROCHEMICAL-BEHAVIOR; ELECTROCATALYTIC REDUCTION; GLASSY-CARBON; POLYPYRROLE FILM; MULTILAYER FILMS; NITRATES; POLYMERS; ANIONS;
D O I：
10.1002/elan.201100613
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A promising nitrite sensor based on one-dimensional polyoxometalate hybrid nanofibers was prepared and developed by electrospinning of a mixture of poly(vinyl alcohol) and a-K6[P2W18O62]center dot 14H2O (P2W18) onto the surface of an indium tin oxide (ITO) electrode. After thermal crosslinking, the P2W18 hybrid nanofibers are insoluble in aqueous solutions even after a period of 24 hours, which ensures the electrochemical stability of the P2W18 hybrid nanofiber-modified ITO electrode. The cyclic voltammetry results have demonstrated that the P2W18 hybrid nanofiber-modified ITO electrode exhibits excellent electrocatalytic activity toward the reduction of nitrite in acidic solutions. Additionally, long-term stability and reproducibility have been observed.
引用
收藏
页码：418 / 424
页数：7
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