Electrochemical Detection of Cu Based on ZnO/PVA Nanocomposites and Doped by Cellulose Nanocrystals

Journal of Physics Conference Series, Год журнала: 2025, Номер 2942(1), С. 012022 - 012022

Опубликована: Фев. 1, 2025

Abstract River water must meet environmental and health standards for social uses such as drinking, bathing, agriculture, sanitation. However, many rivers are contaminated with hazardous substances like copper (Cu), which can be harmful in excess. This study aims to detect Cu samples using a Glassy Carbon Electrode (GCE) modified Zinc Oxide (ZnO), Polyvinyl Alcohol (PVA), doped Cellulose Nanocrystals (CNC). ZnO was selected its chemical stability, wide energy band gap, exciton binding energy. PVA, conductive polymer hydroxyl groups, used enhance the surface area, while CNC increased heavy metal adsorption. The ZnO/PVA/CNC nanocomposite synthesized via hydrothermal method characterized Scanning Electron Microscopy (SEM) Energy Dispersive X-ray Spectroscopy (EDS). Electrochemical properties were tested Cyclic Voltammetry (CV) Square Wave (SWV) Corrtest potentiostat. applied thin film modify working electrode GCE measurements. CV results showed limit of detection (LOD) 4.12 ppm coefficient determination (R2) 0.98758, SWV measurements produced an LOD 2.52 R2 0.81282. These findings demonstrate potential ZnO/PVA/CNC-modified electrodes detecting samples.

Язык: Английский

Polymeric film-based colorimetric chemosensors for ion detection

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 161753 - 161753

Опубликована: Март 1, 2025

Язык: Английский

Enhancing NiAl-LDH@TiO2-Tiv-S Photoelectrocatalyst Performance for Textile Dye Degradation and Oxygen Production: S-Doped Ti Vacancies

Environmental Research, Год журнала: 2025, Номер 279, С. 121741 - 121741

Опубликована: Май 1, 2025

Язык: Английский