利用提取物进行铜/还原氧化石墨烯的植物合成及其在水介质中还原有机染料和4-硝基苯酚能力的研究。
Phytosynthesis of Cu/rGO using extract and study of its ability in the reduction of organic dyes and 4-nitrophenol in aqueous medium.
作者信息
Fahiminia Mohammad, Shamabadi Narges Sadat, Nasrollahzadeh Mahmoud, Sajadi S Mohammad
机构信息
Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran.
Center of Environmental Researches, University of Qom, Qom, Iran.
出版信息
IET Nanobiotechnol. 2019 Apr;13(2):202-213. doi: 10.1049/iet-nbt.2018.5175.
Abstract
For the first time, copper nanoparticles (Cu NPs) superficially deposited on reduced graphene oxide (rGO) using leaf aqueous media. A beneficial series of analytical methods was used to characterise leaf extract and involved nanostructures. The Cu/rGO nanocomposite (NC) obtained from the conversion of Cu ions to Cu NPs and GO to rGO undergoes the plant extract and used as a heterogeneous and reusable nanocatalyst for the destruction of 4-nitrophenol, rhodamine B, methylene blue, methyl orange and congo red using sodium borohydride at ambient temperature. In addition, Cu/rGO NC has reusability for many times in the reduction reactions with no decreasing of its catalytic capability.
摘要
首次使用叶片水介质在还原氧化石墨烯（rGO）表面沉积铜纳米颗粒（Cu NPs）。采用一系列有益的分析方法对叶片提取物和相关纳米结构进行表征。通过将铜离子转化为Cu NPs以及将氧化石墨烯（GO）转化为rGO而获得的Cu/rGO纳米复合材料（NC）经过植物提取物处理，并用作多相可重复使用的纳米催化剂，在室温下使用硼氢化钠来降解4-硝基苯酚、罗丹明B、亚甲基蓝、甲基橙和刚果红。此外，Cu/rGO NC在还原反应中具有多次可重复使用性，其催化能力不会降低。
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