Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers
Gao, SS (Gao, Sanshuang); Liu, J (Liu, Jing); Luo, J (Luo, Jun); Mamat, X (Mamat, Xamxikamar); Sambasivam, S (Sambasivam, Sangaraju); Li, YT (Li, Yongtao); Hu, X (Hu, Xun); Wagberg, T (Wagberg, Thomas); Hu, GZ (Hu, Guangzhi); Li, YT; Hu, GZ
2018
发表期刊MICROCHIMICA ACTA
卷号185期号:6
摘要

Porous carbon nanofibers codoped with nitrogen and sulfur (NFs) were prepared by pyrolysis of trithiocyanuric acid, silica nanospheres and polyacrylonitrile (PAN) followed by electrospinning. The NFs were used to modify a glassy carbon electrode (GCE) which then displayed highly sensitive response to traces of Cd(II). Compared to a bare GCE and a Nafion modified GCE, the GCE modified with codoped NFs shows improved sensitivity for Cd(II) in differential pulse anodic sweep voltammetry. The stripping peak current (typically measured at 0.81 V vs. Ag/AgCl) increases linearly in the 2.0-500 mu g center dot L-1 Cd(II) concentration range. This is attributed to the large surface area (109 m(2) center dot g(-1)), porous structure, and high fraction of heteroatoms (19 at.% of N and 0.75 at.% of S). The method was applied to the determination of Cd(II) in (spiked) tap water where it gave recoveries that ranged between 96% and 103%.

关键词Electrospinning Differential Pulse Anodic Sweep Voltammetry Electrochemical Sensor Electroanalysis Heavy Metals Tap Water Analysis
DOI10.1007/s00604-018-2818-2
收录类别SCI
WOS记录号WOS:000431825600002
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5400
专题省部共建新疆特有药用资源利用重点实验室
通讯作者Li, YT; Hu, GZ
作者单位1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Chem Plant Resources Arid Reg, State Key Lab Basis Xinjiang Indigenous Med Plant, Urumqi 830011, Peoples R China
2.Anhui Univ Sci & Technol, Sch Mat Sci & Engn, Huainan 232001, Peoples R China
3.Tianjin Univ Technol, Inst New Energy Mat & Low Carbon Technol, Sch Mat Sci & Engn, Ctr Electron Microscopy, Tianjin 300384, Peoples R China
4.Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China
5.Umea Univ, Dept Phys, S-90187 Umea, Sweden
推荐引用方式
GB/T 7714
Gao, SS ,Liu, J ,Luo, J ,et al. Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers[J]. MICROCHIMICA ACTA,2018,185(6).
APA Gao, SS .,Liu, J .,Luo, J .,Mamat, X .,Sambasivam, S .,...&Hu, GZ.(2018).Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers.MICROCHIMICA ACTA,185(6).
MLA Gao, SS ,et al."Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers".MICROCHIMICA ACTA 185.6(2018).
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