通过 1T/2H MoS2 纳米花高效光催化降解用于废水处理的孔雀石绿染料

IF 1.4 4区 化学 Q4 CHEMISTRY, PHYSICAL
Ajay Kumar, Prateek Sharma, Divya Deep Yadav, Ranjana Jha
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引用次数: 0

摘要

摘要 科学界倾向于采用光催化工艺去除水中的有机污染物。二硫化钼(MoS2)是一种二维(2D)材料,其能带隙在可见光谱范围内。在本手稿中,通过单锅水热法路线,以不同的钼(Mo)和硫(S)(Mo/S 比)轻松合成了 MoS2 纳米结构。纳米结构的结构验证采用了 X 射线衍射(XRD)图。此外,还利用场发射扫描电子显微镜(FE-SEM)和高分辨率透射电子显微镜(HR-TEM)分析收集了有关 MoS2 纳米结构的形态信息。孔雀石绿染料的光降解过程通过紫外-可见吸收光谱进行分析。结果表明,1T/2H MoS2 纳米流体对孔雀石绿染料的降解效率为 98.4%。这种常用染料的分解在工业废水处理中具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Highly Effective Photocatalytic Degradation of Malachite Green Dye for Waste Water Treatment through 1T/2H MoS2 Nanoflower

Highly Effective Photocatalytic Degradation of Malachite Green Dye for Waste Water Treatment through 1T/2H MoS2 Nanoflower

Highly Effective Photocatalytic Degradation of Malachite Green Dye for Waste Water Treatment through 1T/2H MoS2 Nanoflower

The scientific community has preferred the photocatalysis process to remove organic pollutants from water. Many catalysts have been developed over the years, and one such catalyst is molybdenum disulfide (MoS2), which is a two-dimensional (2D) material with an energy bandgap in the visible spectrum. In this manuscript, the facile synthesis of MoS2 nanostructures in varying molybdenum (Mo) and sulphur (S), Mo/S ratios has been demonstrated through a single-pot hydrothermal route. The structural validation of the nanostructures was done using X-ray diffraction (XRD) patterns. Further, the morphological information about the MoS2 nanostructures was gathered using the Field Emission Scanning Electron Microscope (FE-SEM) and High-Resolution Transmission Electron Microscope (HR-TEM) analyses. The photodegradation process of the Malachite Green dye was analyzed by UV-visible absorption spectroscopy. The results showed that 1T/2H MoS2 nanoflowers degraded the malachite green dye with a degradation efficiency of 98.4%. The decomposition of this commonly used dye possesses great significance in industrial waste water treatment.

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来源期刊
Colloid Journal
Colloid Journal 化学-物理化学
CiteScore
2.20
自引率
18.20%
发文量
36
审稿时长
6-12 weeks
期刊介绍: Colloid Journal (Kolloidnyi Zhurnal) is the only journal in Russia that publishes the results of research in the area of chemical science dealing with the disperse state of matter and surface phenomena in disperse systems. The journal covers experimental and theoretical works on a great variety of colloid and surface phenomena: the structure and properties of interfaces; adsorption phenomena and structure of adsorption layers of surfactants; capillary phenomena; wetting films; wetting and spreading; and detergency. The formation of colloid systems, their molecular-kinetic and optical properties, surface forces, interaction of colloidal particles, stabilization, and criteria of stability loss of different disperse systems (lyosols and aerosols, suspensions, emulsions, foams, and micellar systems) are also topics of the journal. Colloid Journal also includes the phenomena of electro- and diffusiophoresis, electro- and thermoosmosis, and capillary and reverse osmosis, i.e., phenomena dealing with the existence of diffusion layers of molecules and ions in the vicinity of the interface.
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