Ag掺杂对ZnO/V2O5纳米粒子光催化剂脱除GRL染料的影响

IF 0.4 Q4 ENVIRONMENTAL SCIENCES

Asian Journal of Water, Environment and Pollution Pub Date : 2023-10-09 DOI:10.3233/ajw230062

Ahmed Mesehour Ali Refaas, Enas M. AL-Robayi, Ayad F. Alkaim

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引用次数: 0

摘要

本研究利用水热法合成的Ag/ZnO/V2O5纳米复合材料，以Maxillion Blue (GRL)染料为模型，进行了光催化降解纺织染料的研究。利用扫描电子显微镜(FE-SEM)、能量色散x射线光谱(EDX)、透射电镜(TEM)和紫外可见光谱等表征技术对合成的纳米复合材料的物理性质进行了研究。制备了纯ZnO、V2O5纳米颗粒，并通过XRD分析发现了ZnO、V2O5六方相相关的衍射峰，紫外可见光谱计算了该纳米复合材料的能带隙(2.63 eV)，表明其在紫外可见光下可能具有光催化剂的作用。XRD也支持ZnO/V2O5纳米复合材料的制备。FE-SEM图像显示该物体呈球形，形状略呈六边形。EDX分析显示纳米复合材料中存在Zn、V和O;通过在太阳光下降解GRL染料，评价了其光催化活性。结果表明，纳米复合材料的最佳质量为0.4 g/L，降解效率为91.6%。

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Effect of Ag Doping on ZnO/V2O5 Nanoparticles as a Photo Catalyst for the Removal of Maxillion Blue (GRL) Dye

In this research, the photo catalytic degradation of textile dyes as a model Maxillion Blue (GRL) dye by using Ag/ZnO/V2O5 nanocomposites synthesised via hydrothermal method. The physical properties of the as-synthesised nanocomposites were examined using characterisation techniques such as scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), TEM, and UV-vis spectroscopy. the production of pure ZnO, V2O5 nanoparticles and the discovery, by XRD analysis, of diffraction peaks related to the hexagonal phase of ZnO, V2O5, UV-vis spectroscopic calculations of the nanocomposite’s energy bandgap (2.63 eV) indicated that it might function as a photo catalyst when exposed to UV-visible light. XRD also supported the fabrication of the ZnO/V2O5 nanocomposite. FE-SEM images showed that the object was spherical and somewhat hexagonal in form. EDX analysis reveals the presence of Zn, V, and O in the nanocomposite; its photocatalytic activity was evaluated through the degradation of GRL dye under exposure to solar light. The results showed that the optimum mass nanocomposite for efficient photo degradation was 0.4 g/L, with a degradation efficiency of 91.6%.

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来源期刊

Asian Journal of Water, Environment and Pollution ENVIRONMENTAL SCIENCES-

CiteScore

1.00

自引率

20.00%

发文量

期刊介绍： Asia, as a whole region, faces severe stress on water availability, primarily due to high population density. Many regions of the continent face severe problems of water pollution on local as well as regional scale and these have to be tackled with a pan-Asian approach. However, the available literature on the subject is generally based on research done in Europe and North America. Therefore, there is an urgent and strong need for an Asian journal with its focus on the region and wherein the region specific problems are addressed in an intelligent manner. In Asia, besides water, there are several other issues related to environment, such as; global warming and its impact; intense land/use and shifting pattern of agriculture; issues related to fertilizer applications and pesticide residues in soil and water; and solid and liquid waste management particularly in industrial and urban areas. Asia is also a region with intense mining activities whereby serious environmental problems related to land/use, loss of top soil, water pollution and acid mine drainage are faced by various communities. Essentially, Asians are confronted with environmental problems on many fronts. Many pressing issues in the region interlink various aspects of environmental problems faced by population in this densely habited region in the world. Pollution is one such serious issue for many countries since there are many transnational water bodies that spread the pollutants across the entire region. Water, environment and pollution together constitute a three axial problem that all concerned people in the region would like to focus on.