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题名: Cu/Cu2O/CuO loaded on the carbon layer derived from novel precursors with amazing catalytic performance
作者: Zhao, Xiaoli; Tan, Yixin; Wu, Fengchang; Niu, Hongyun; Tang, Zhi; Cai, Yaqi; Giesy, John P.
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
出版日期: 2016-11-15
卷号: 571, 期号:0, 页码:380-387
关键词: Cu/Cu2O/CuO@C ; Synthesis ; Catalyst ; Organic dyes ; Phenols
DOI: 10.1016/j.scitotenv.2016.05.151
部门归属: 环境化学与生态毒理学国家重点实验室
英文摘要: A simple, novel method for synthesis of Cu/Cu2O/CuO on surfaces of carbon (Cu/Cu2O/CuO@C) as a non-noble metal catalyst for reduction of organic compounds is presented. Compared with noble metals, Cu/Cu2O/Cu0@C particles are more efficient and less expensive. Characterization of the Cu/Cu2O/CuO@C composites by high resolution transmission electron microscope (HRTEM), x-ray diffraction (XRD), infrared spectroscopy and Raman analysis, revealed that it was composed of graphitized carbon with numerous nanoparticles (100 nm in diameter) of Cu/CuO/Cu2O that were uniformly distributed on internal and external surfaces of the carbon support Gallic acid (GA) has been used as both organic ligand and carbon precursor with metal organic frameworks (MOFs) as the sacrificial template and metal oxide precursor in this green synthesis. The material combined the advantages of MOB and Cu-containing materials, the porous structure provided a large contact area and channels for the pollutions, which results in more rapid catalytic degradation of pollutants and leads to greater efficiency of catalysis. The material gave excellent catalytic performance for organic dyes and phenols. In this study, Cu/Cu2O/CuO@C was used as catalytic to reduce 4-NP, which has been usually adopted as a model reaction to check the catalytic ability. Catalytic experiment results show that 4-NP was degraded approximately 3 min by use of 0.04 mg of catalyst and the conversion of pollutants can reach more than 99%. The catalyst exhibited little change in efficacy after being utilized five times. Rates of degradation of dyes, such as Methylene blue (MB) and Rhodamine B (RhB) and phenolic compounds such as O-Nitrophenol (O-NP) and 2-Nitroaniline (2-NA) were all similar. (C) 2016 Published by Elsevier B.V.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35826
Appears in Collections:环境化学与生态毒理学国家重点实验室_期刊论文

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Recommended Citation:
Zhao, Xiaoli,Tan, Yixin,Wu, Fengchang,et al. Cu/Cu2O/CuO loaded on the carbon layer derived from novel precursors with amazing catalytic performance[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,571(0):380-387.
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