Alia Rani, Muhammad Kaleem Shabbir, Ayesha Fatima, Saqib Ali, Muhammad Alamzeb, Ahmed Nadeem, Javeed Akhtar, Aqib Majeed Bejarani, Khalid Hussain Thebo
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引用次数: 0
摘要
本文采用原位共沉淀法制备了基于还原氧化石墨烯装饰氧化铜纳米颗粒(rGO/CuO)的新型纳米复合材料。分别采用粉末 X 射线衍射(p-XRD)、扫描电子显微镜(SEM)、傅立叶变换红外光谱(FTIR)、拉曼光谱和紫外可见光谱(UV-Vis)对制备的纳米复合材料进行了结构、形态和光学表征。在优化条件下,制备的纳米复合材料对罗丹明 B 染料具有较好的光催化活性,120 分钟内降解率最高可达 94%,速率常数为 0.2353 min-1。此外,还研究了溶液 pH 值和催化剂负载量对降解过程的影响。因此,将 CuO 纳米粒子装饰到 rGO 纳米片表面的这种最先进的策略可以成为制造高效光催化剂的理想平台。
Visible Light-Triggered Catalytic Performance of Reduced Graphene Oxide Decorated With Copper Oxide Nanocomposite for Degradation of Rhodamine B Dye and Kinetics Studies.
Herein, novel nanocomposites based on reduced graphene oxide decorated copper oxide nanoparticles (rGO/CuO) were prepared by the in situ co-precipitation method. The structural, morphological, and optical characterization of as-prepared nanocomposites was performed by powdered x-ray diffraction (p-XRD), scanning electron microscopy (SEM), and Fourier-transform infrared (FTIR), Raman, and ultraviolet-visible (UV-Vis) spectroscopy, respectively. The as-prepared nanocomposites exhibited better photocatalytic activity of rhodamine B dye with maximum ~94% degradation in 120 min with a rate constant of 0.2353 min-1 under optimized conditions. Furthermore, the effects of solution pH and catalyst loading are studied on the degradation process. Therefore, this state-of-the-art strategy for the decoration of CuO nanoparticles onto the surface of rGO nanosheets could be an ideal platform for fabricating highly efficient photocatalysts.
期刊介绍:
Microscopy Research and Technique (MRT) publishes articles on all aspects of advanced microscopy original architecture and methodologies with applications in the biological, clinical, chemical, and materials sciences. Original basic and applied research as well as technical papers dealing with the various subsets of microscopy are encouraged. MRT is the right form for those developing new microscopy methods or using the microscope to answer key questions in basic and applied research.