Synthesis and Characterization of Ferric Vanadate Nanorods for Efficient Electrochemical Detection of Ascorbic Acid
Nadia Anwar, Muhammad Munir Sajid, Muhammad Aamir Iqbal, Haifa Zhai, Muqarrab Ahmed, Bushra Anwar, Kareem Morsy, Rey Y. Capangpangan, Arnold C. Alguno, Jeong Ryeol Choi
Abstract
High Resolution Image Download MS PowerPoint Slide This study reports the synthesis of ferric vanadate (FeVO 4 ) via a facile hydrothermal method, focusing on demonstrating its exceptional electrochemical (EC) properties on detecting low-density ascorbic acid (AA). The phase purity, crystallinity, structure, morphology, and chemical compositional properties were characterized by employing X-ray diffraction, energy-dispersive X-ray spectroscopy, scanning electron microscopy, Raman spectroscopy, and X-ray photoelectron spectroscopy techniques. EC impedance spectroscopy and cyclic voltammetry techniques were also adopted in order to assess the EC response of a FeVO 4 -modified glassy carbon electrode for sensing AA at room temperature. The AA concentration range adopted in this experiment is 0.1–0.3 mM at a working electric potential of −0.13 V. The result showed functional excellence of this material for the EC determination of AA with good stability and reproducibility, promising its potentiality in connection with relevant sensing applications.