Electrochemical Deposition of Reduced Graphene Oxide Decorated with Silver and Nickel Oxide Nanoparticles for Quantification of Ascorbic Acid in Bottled Fruit Juice and Vitamin C Tablet
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia; Center of Excellence, Advanced Materials Science and Engineering at Adama Science and Technology University, Ethiopia
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia
Alemayehu Dubale Duma
Bio and Emerging Technology Institute, Addis Ababa Ethiopia
Fetene Fufa Bakare
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia; Center of Excellence, Advanced Materials Science and Engineering at Adama Science and Technology University, Ethiopia
Daniel Manaye Kabtamu
Department of Chemistry, Debre Berhan University , Debre Berhan, Ethiopia
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia
Osman Ahmed Zelekew
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia
Bruk Sisay Woldeyonnis
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia; Center of Excellence, Advanced Materials Science and Engineering at Adama Science and Technology University, Ethiopia
Anteneh Wodaje Bayeh
School of Chemical and Bioengineering, Addis Ababa Institute of Technology (AAiT) , Addis Ababa 1000, Ethiopia; Addis Ababa Institute of Technology (AAiT), School of Multi-Disciplinary Engineering, Center for Materials Engineering, Addis Ababa 1000, Ethiopia
Kena Dechasa Gemeda
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia
Kenate Sambaba Bayana
Department of Materials Science and Engineering, Adama Science and Technology University , Adama, Ethiopia
Because of its simplicity of evaluation, ability to detect the lowest quantities, and convenience of operation, electrochemical determination of ascorbic acid is gaining popularity. The high sensitivity, selectivity, and low cost, nanosensors have gained enourmous attention in recent years for the detection of active pharmacological compounds and food pollutants. Ni and Ni-containing compounds have a favorable affinity for a number of organic functional groups such as -thio, -hydroxyl, -carboxyl, and -amine. However, its poor conductivity hinders its electrochemical performance. Hence, the procedures for improving the conductivity of metal oxides that are incredibly good studies query to meet the desired level of detection. We devised a straightforward method for concurrently synthesizing silver and nickel oxide nanoparticles on reduced graphene oxide using electrochemical deposition method on a glassy carbon electrode (GCE). The electrodeposited materials were scratched from GCE and characterized for Raman, SEM/EDS, EIS, and XPS. The materials produced after deposition were examined also for Ascorbic Acid (AA) detection in bottled fruit juice and Vitamin C tablets yielded 0.457 μ M limits of quantification and 100.61% and 99.40% average recoveries, respectively.
