Photocatalytic performance of CuO NPs: An experimental approach for process parameter optimization for Rh B dye

Results in Materials Pub Date : 2024-09-06 DOI:10.1016/j.rinma.2024.100614

Hridoy Saha , Ankita Dastider , Md Jannatul Ferdous Anik , Samiya Rahman Mim , Sovendo Talapatra , Utsha Das , Moniruzzaman Jamal , Md Muktadir Billah

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Abstract

Optimization of process parameters for photocatalytic activity measurement of CuO nanoparticles (NPs) was the focus of this study. CuO NPs were prepared following chemical co-precipitation method and characterized using X-ray diffraction (XRD), ultraviolet visible (UV–vis) spectroscopy, field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) and Fourier transform infrared spectroscopy (FTIR). Subsequent studies concentrated on optimizing pH of Rhodamine B (Rh B) dye, catalyst doses, and concentration of hydrogen peroxide (H₂O₂) for effective photocatalytic degradation. This optimization process was intended to properly investigate the photocatalytic activity of CuO NPs using Rh B dye (5 ppm), a frequently encountered organic pollutant. After 180 min of UV irradiation at optimized condition (pH 10, 0.3125 mg/mL NPs, 9000 ppm H₂O₂) a degradation rate of 60 percent was recorded. These findings maximized the degradation efficiency of CuO NPs to exploit as a potential photocatalyst.

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CuO NPs 的光催化性能：针对 Rh B 染料的工艺参数优化实验方法

本研究的重点是优化测量氧化铜纳米粒子（NPs）光催化活性的工艺参数。采用化学共沉淀法制备了 CuO NPs，并使用 X 射线衍射 (XRD)、紫外可见 (UV-vis) 光谱、场发射扫描电子显微镜 (FE-SEM)、透射电子显微镜 (TEM)、Brunauer-Emmett-Teller (BET) 和傅立叶变换红外光谱 (FTIR) 对其进行了表征。随后的研究集中于优化罗丹明 B（Rh B）染料的 pH 值、催化剂剂量和过氧化氢（H2O2）浓度，以实现有效的光催化降解。这一优化过程旨在利用 Rh B 染料（5 ppm）这一常见的有机污染物正确研究 CuO NPs 的光催化活性。在优化条件下（pH 值 10、0.3125 毫克/毫升氮氧化物、9000 ppm H2O2），紫外线照射 180 分钟后，降解率达到 60%。这些发现最大限度地提高了 CuO NPs 的降解效率，使其成为一种潜在的光催化剂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Results in Materials

CiteScore

5.30

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0.00%

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