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Photocatalytic degradation of triclosan in visible-light-induced via CdS@TiO2-rGO nanocomposite
Surface Topography: Metrology and Properties ( IF 2.0 ) Pub Date : 2021-08-31 , DOI: 10.1088/2051-672x/ac2030
Ankita Ojha 1 , Pardeep Singh 2 , Dhanesh Tiwary 1
Affiliation  

With the ever-increasing impact of chemicals on our life, organic pollutants have emerged as a topic of significant concern. Photodegradation of organic wastes has exponentially jumped up as an advanced technology for pollutant termination from the system. There has been a range of photocatalysts that have been applied for the degradation of such organic compounds. Graphene-based ternary nanocomposites have shown a major pathway for combatting these organic pollutants. This article studied one such Ternary nanocomposite made up in situ; sonochemically synthesized and deposited CdS nanoparticles over Titania-reduced Graphene oxide (TiO2-rGO). The product obtained was washed with double distilled water and characterized by powder XRD, SEM, TEM and HRTEM, AFM, and solid-state UV–visible (DRS). It was further analyzed for its photoactivity through dye degradation on Methylene Blue compared with binary nanocomposites. Photocatalytic degradation of Triclosan was done using this ternary nanocomposite, and the rate constant was calculated to be around 2.7נ10–3 min−1.



中文翻译:

CdS@TiO2-rGO纳米复合材料在可见光下光催化降解三氯生

随着化学品对我们生活的影响越来越大,有机污染物已成为一个备受关注的话题。有机废物的光降解作为一种从系统中终止污染物的先进技术,已呈指数级增长。已经有一系列光催化剂用于降解此类有机化合物。基于石墨烯的三元纳米复合材料已显示出对抗这些有机污染物的主要途径。本文研究了一种原位制备的三元纳米复合材料;在二氧化钛还原的氧化石墨烯 (TiO 2-rGO)。所得产物用双蒸水洗涤,并通过粉末 XRD、SEM、TEM 和 HRTEM、AFM 和固态紫外-可见 (DRS) 表征。与二元纳米复合材料相比,通过亚甲基蓝上的染料降解进一步分析了其光活性。使用这种三元纳米复合材料对三氯生进行光催化降解,计算出的速率常数约为 2.7נ10 –3 min -1

更新日期:2021-08-31
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