Fabrication of a multilayer film electrode containing 12‐tungstosilicic acid and its electrocatalytic reduction for nitrite

A novel multilayer film electrode was designed based on the interaction between molecules of 12-tungstosilicic acid and poly(4-vinylpyridine) in organic phase. The electrochemical behavior of the modified electrode is characterized. The modified electrode exhibits an excellent and stable electrocatalytic response for the reduction of nitrite.