An electrochemical sensing platform structured with ionic liquid assisting carbon nanohorns for 4-aminophenylarsonic acid determination

• 1、College of Chemistry and Chemicial Engineering, Fujian Normal University ,Fuzhou ,Fujian,350007

Abstract：In this paper, a evidently simple and sensitive electrochemical sensing platfolm structured with ionic liquid assisting carbon nanohorns to detecte 4-aminophenylarsonic acid. The excellent 4-aminophenylarsonic acid of organic arsenic sensor coating with ionic liquid assisted carbon nanohorns has been developed firstly. Due to prominent properties of large conjugate dahlia-like carbon nanohorns, such as good electric conduction, large surface area, high pore volume etc, and its synergistic action with ionic liquid, which is good dispersant with excellent ion conductivity , the sensor performed excellent sensing capabilities and specifically the corresponding sensing interface layer showed obvious electrocatalysis towards 4-aminophenylarsonic acid. The as-proposed sensor presented high sensitivity, wide dynamic response range, eximious stability and reproducibility. This paper inditacted that excellent sensing application of carbon nanohorns and ionic liquid formed for 4-aminophenylarsonic acid sensor holds potential utilized in practical applications.

keywords： electrochemistry ionic liquid carbon nanohorn 4-aminophenylarsonic acid

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