| Autor: |
Khan, Muhammad Maqsood Ahmad, Siddique, Shoaib, Khan, Muhammad Khalil Ahmad, Liu, Bo-Tau, Latif, Aniza |
| Zdroj: |
Reaction Kinetics, Mechanisms and Catalysis; 20240101, Issue: Preprints p1-19, 19p |
| Abstrakt: |
Herein, for the very first time, barium-doped ZnO nanorods (Ba-ZnO NRs) with varying Ba concentration were fabricated using black pepper (Piper nigrum) leaf extract. X-ray diffraction (XRD) analysis revealed that the studied powder exhibits wurtzite crystal structure, and scanning electron microscope (SEM) image displays the rod-like morphology, the Ba doping changes surface roughness. As dopant content (Ba) is increased, the energy band gap decreases, which can be attributed to variations in crystallite size and substitutions of the dopant ions. In photocatalytic activity, Ba-ZnO NRs degraded antibiotic ciprofloxacin (CIP) and rhodamine B (RhB) dye more efficiently than pure ZnO NRs. Notably, CIP antibiotic and RhB dye showed 95.44 and 98.94% decomposition efficiency in 80 and 35 min under visible light, respectively, with an estimated rate constant of 0.0383 and 0.1188 min−1. Based on the results of this study, Ba-ZnO NRs show promising potential for advanced wastewater treatment. |
| Databáze: |
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