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Interfacial growth of nitrogen-doped carbon with multi-functional groups on the MoS2 skeleton for efficient Pb(II) removal
Pei, Hanna ; Wang, Jing ; Yang, Qingfeng ; Yang, Weixia ; Hu, Na ; Suo, Yourui ; Zhang, Daohong ; Li, Zhonghong ; Wang, Jianlong
2018-08-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
AbstractLead(II) is a highly toxic upon accumulation in the human body and a thorough cleanup of this pollutant in water resources has become a rising worldwide concern. In this study, multi-functional nitrogen-doped carbon-MoS2 (NC-MoS2) nanohybrid composite was successfully synthesized by a step-by-step approach and applied as an effective heavy metal ions adsorbent. Scanning electron microscopy and energy dispersive X-ray spectrometer analysis presents multilayer irregular nanosheets and reveals the uniform distribution of C, N and O elements in the fabricated nanomaterials, respectively. Powder X-ray diffraction, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy confirm the functionalization of oxygen-containing functional groups arising from the nitrogen-doped carbon. Particularly, the NC-MoS2 possesses an excellent adsorption capacity (439.09 mg g(-1)) for Pb(II), which attributes to the integrated physicochemical adsorption resulting from the oxygen-containing functional groups on the surface of nanohybrid composites. The as-prepared NC-MoS2 exhibits good chemical stability and can be reused 7 times with a slight fading over 80% during cycling, which is essential for its practical applications. All of these demonstrate that NC-MoS2 can be an efficient material for selectively removal of Pb(II), which suggest its great potential in the utilization of environmental cleanup. (C) 2018 Elsevier B.V. All rights reserved.
PublisherELSEVIER SCIENCE BV
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/18923
Collection中国科学院西北高原生物研究所
Recommended Citation
GB/T 7714
Pei, Hanna,Wang, Jing,Yang, Qingfeng,et al. Interfacial growth of nitrogen-doped carbon with multi-functional groups on the MoS2 skeleton for efficient Pb(II) removal[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2018.
APA Pei, Hanna.,Wang, Jing.,Yang, Qingfeng.,Yang, Weixia.,Hu, Na.,...&Wang, Jianlong.(2018).Interfacial growth of nitrogen-doped carbon with multi-functional groups on the MoS2 skeleton for efficient Pb(II) removal.SCIENCE OF THE TOTAL ENVIRONMENT.
MLA Pei, Hanna,et al."Interfacial growth of nitrogen-doped carbon with multi-functional groups on the MoS2 skeleton for efficient Pb(II) removal".SCIENCE OF THE TOTAL ENVIRONMENT (2018).
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