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Surface Fe(II)/Fe(III) Cycle Promoted Ultra-Highly Sensitive Electrochemical Sensing of Arsenic(III) with Dumbbell-Like Au/Fe3O4 Nanoparticles

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成果类型:
期刊论文
作者:
Li, Shan-Shan;Zhou, Wen-Yi;Jiang, Min;Guo, Zheng;Liu, Jin-Huai;...
通讯作者:
Huang, Xing-Jiu;Zhang, Lizhi
作者机构:
[Li, Shan-Shan; Guo, Zheng; Liu, Jin-Huai; Jiang, Min; Zhou, Wen-Yi; Huang, Xing-Jiu] Chinese Acad Sci, Key Lab Environm Opt & Technol, Hefei 230031, Anhui, Peoples R China.
[Li, Shan-Shan; Guo, Zheng; Liu, Jin-Huai; Jiang, Min; Zhou, Wen-Yi; Huang, Xing-Jiu] Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China.
[Li, Shan-Shan; Guo, Zheng; Liu, Jin-Huai; Jiang, Min; Zhou, Wen-Yi; Huang, Xing-Jiu] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China.
[Zhang, Lizhi] Cent China Normal Univ, Inst Environm Chem, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Hubei, Peoples R China.
通讯机构:
[Huang, Xing-Jiu; Zhang, Lizhi] C
[Huang, Xing-Jiu] U
Chinese Acad Sci, Key Lab Environm Opt & Technol, Hefei 230031, Anhui, Peoples R China.
Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China.
Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China.
语种:
英文
期刊:
Analytical Chemistry
ISSN:
0003-2700
年:
2018
卷:
90
期:
7
页码:
4569-4577
基金类别:
This work was supported financially by the National Natural Science Foundation of China (21735005, 21475133, U1532123, 61573334, 61474122, and U1532120), Natural Science Funds for Distinguished Young Scholars (Grant 21425728), and National Natural Science Fund of China (11405256). The authors thank Shanghai Synchrotron Radiation Facility (beamline BL14W1) for providing measurement time. X.-J.H. acknowledges the CAS Interdisciplinary Innovation Team and the CASHIPS Director’s Fund (YZJJ201701) for financial support.
机构署名:
本校为通讯机构
院系归属:
化学学院
摘要:
Developing a new ultrasensitive interface to detect As(III) is highly desirable because of its seriously toxic and low concentration in drinking water. Recently, Fe3O4 nanoparticles of high adsorption toward As(III) become very promising to be such an interface, which is still limited by the poor understanding of their surface physicochemical properties. Herein, we report that dumbbell-like Au/Fe3O4 nanoparticles, when being modified the screen-printed carbon electrode, can serve as an efficient sensing interface for As(III) detection with an e...

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