Electrochemical analysis of p-nitrophenol in acidic or alkaline medium using silver nanoparticle decorated multi-walled carbon nanotubes

• Published in: Journal of materials science Vol. 49; no. 15; pp. 5398 - 5405
• Main Authors: Liu, Benzhi, Wang, Tian, Yin, Chuntao, Wei, Zhenglong
• Format: Journal Article
• Language: English
• Published: Boston Springer US 01.08.2014; Springer; Springer Nature B.V
• Subjects: Carbon; Characterization and Evaluation of Materials; Chemical properties; Chemistry and Materials Science; Classical Mechanics; Crystallography and Scattering Methods; Decoration; Electric properties; Electrochemical analysis; Electrochemical reactions; Electrodes; Electrons; Glassy carbon; Materials Science; Multi wall carbon nanotubes; Nanocomposites; Nanoparticles; Nanostructure; Nanotubes; Nitrophenol; Optimization; Organic chemistry; Polymer Sciences; Reduction; Silver; Solid Mechanics; Voltammetry; Reduction Peak; Voltammetric Determination; Silver Nanoparticle; Alkaline Medium; Glassy Carbon Electrode
• ISSN: 0022-2461; 1573-4803
• DOI: 10.1007/s10853-014-8251-y

Silver nanoparticle decorated multi-walled carbon nanotubes (Ag/MWCNT) were prepared by a simple chemical plating method. The Ag/MWCNT nanocomposite modified glassy carbon electrode (Ag/MWCNT/GC) was fabricated. Electrochemical behavior of p -nitrophenol at the Ag/MWCNT/GC was studied by cyclic voltammetry. The Ag/MWCNT/GC electrode shows good electrocatalytic activity for the reduction of p -nitrophenol. Voltammetric determination of p -nitrophenol was carried out. Under optimal experimental conditions, the reduction peak current of p -nitrophenol is linearly proportional to its concentration in a range from 3.0 × 10 −6 to 1.2 × 10 −4  mol L −1 in acidic medium and 3.5 × 10 −5 to 1.4 × 10 −4  mol L −1 in alkaline medium, respectively.