抗坏血酸
纳米复合材料
罗丹明B
催化作用
过氧化氢
材料科学
光催化
激进的
化学工程
罗丹明6G
核化学
罗丹明
化学
纳米技术
有机化学
荧光
分子
物理
食品科学
量子力学
工程类
作者
Alireza Bargahi,Mohammad Joshaghani,Ezzat Rafiee
标识
DOI:10.1021/acs.iecr.3c01941
摘要
In this work, a novel FeNi2S4/TiO2–x nanocomposite was prepared by facile hydrothermal synthesis, then comprehensively characterized by a multitechnique approach, and subsequently employed for round-the-clock (light and dark) removal of rhodamine B. Superior improvement of the morphological and thermal properties of the FeNi2S4/TiO2–x nanocomposite due to the use of sodium dodecyl sulfate was investigated. An l-ascorbic acid-assisted photo-Fenton catalyst can be employed effectively for complete rhodamine B removal at 30 min using a 10 W white-light-emitting diode (LED) source under a wide range of operating conditions compared to other reported photo-Fenton catalysts. The obtained results show a significant synergism between the nanocomposite components, which makes the total RhB removal much better than when each was used alone. This study presents a facile approach to designing a sustainable multifunctional catalyst with reusability, high catalytic activity, and environmental friendliness. Due to the photocatalytic and photo-Fenton synergism in the presence of hydrogen peroxide and ascorbic acid under visible light, there is high potential to generate more electron/hole carriers and hydroxyl radicals (•OH).
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