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Electrochemical determination of iron in coastal waters based on ionic liquid-reduced graphene oxide supported gold nanodendrites
Li, Fei1; Pan, Dawei2; Lin, Mingyue2; Han, Haitao2; Hu, Xueping2; Kang, Qi1; Pan, DW (reprint author), Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Prov Key Lab Coastal Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China. dwpan@yic.ac.cn; qikang@sdu.edu.cn
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
2015-09-10
Volume176Pages:548-554
KeywordIonic Liquid Reduced Graphene Oxide Gold Nanodendrites Iron Coastal Waters
DOI10.1016/j.electacta.2015.07.011
Contribution Rank[Li, Fei; Kang, Qi] Shandong Normal Univ, Key Lab Mol & Nanomat Probes, Coll Chem Chem Engn & Mat Sci, Minist Educ China, Jinan 250014, Shandong, Peoples R China; [Pan, Dawei; Lin, Mingyue; Han, Haitao; Hu, Xueping] Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Prov Key Lab Coastal Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China
Department中科院海岸带环境过程与生态修复重点实验室
AbstractAn effective and sensitive method for electrochemical determination of iron was reported, based on the ionic liquid-reduced graphene oxide (IL-rGO) supported gold nanodendrites (AuNDs). IL-rGO as a soft support could provide large specific surface area for AuNDs and make them smaller sizes and unique forms, which would benefit to the electrochemical reduction of iron. Nafion is employed as a cation exchange polymer in which IL-rGO and AuNDs can be tightly attached to the electrode surface. The proposed sandwich structured IL-rGO/AuNDs/Nafion modified electrode shows excellent electrochemical properties. The IL-rGO/AuNDs/Nafion modified electrode combined individual advantages as a whole and showed good responses for iron ions. Under the optimized conditions, the reduction peak currents of iron have a good linear relation with its concentrations ranging from 0.30 to 100 mmol L-1 with the detection limit of 35 nmol L-1. More importantly, this sandwich structured modified electrode had a good anti-interference ability and successfully applied in the determination of the total dissolved iron in coastal waters. (C) 2015 Elsevier Ltd. All rights reserved.; An effective and sensitive method for electrochemical determination of iron was reported, based on the ionic liquid-reduced graphene oxide (IL-rGO) supported gold nanodendrites (AuNDs). IL-rGO as a soft support could provide large specific surface area for AuNDs and make them smaller sizes and unique forms, which would benefit to the electrochemical reduction of iron. Nafion is employed as a cation exchange polymer in which IL-rGO and AuNDs can be tightly attached to the electrode surface. The proposed sandwich structured IL-rGO/AuNDs/Nafion modified electrode shows excellent electrochemical properties. The IL-rGO/AuNDs/Nafion modified electrode combined individual advantages as a whole and showed good responses for iron ions. Under the optimized conditions, the reduction peak currents of iron have a good linear relation with its concentrations ranging from 0.30 to 100 mmol L-1 with the detection limit of 35 nmol L-1. More importantly, this sandwich structured modified electrode had a good anti-interference ability and successfully applied in the determination of the total dissolved iron in coastal waters. (C) 2015 Elsevier Ltd. All rights reserved.
Funding OrganizationNational Natural Science Foundation of China(41276093 ; Youth Innovation Promotion Association(2011170) ; Outstanding Young Scientists of CAS ; 21275091)
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordCATHODIC STRIPPING VOLTAMMETRY ; GLASSY-CARBON ELECTRODE ; SULFONATED GRAPHENE ; CHELATING RESIN ; NANOSTRUCTURES ; COMPOSITE ; DOPAMINE ; SEAWATER ; NANOPARTICLES ; MORPHOLOGY
WOS Research AreaElectrochemistry
WOS IDWOS:000360918000069
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/13811
Collection中科院海岸带环境过程与生态修复重点实验室
Corresponding AuthorPan, DW (reprint author), Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Prov Key Lab Coastal Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China. dwpan@yic.ac.cn; qikang@sdu.edu.cn
Affiliation1.Shandong Normal Univ, Key Lab Mol & Nanomat Probes, Coll Chem Chem Engn & Mat Sci, Minist Educ China, Jinan 250014, Shandong, Peoples R China
2.Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Prov Key Lab Coastal Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Li, Fei,Pan, Dawei,Lin, Mingyue,et al. Electrochemical determination of iron in coastal waters based on ionic liquid-reduced graphene oxide supported gold nanodendrites[J]. ELECTROCHIMICA ACTA,2015,176:548-554.
APA Li, Fei.,Pan, Dawei.,Lin, Mingyue.,Han, Haitao.,Hu, Xueping.,...&qikang@sdu.edu.cn.(2015).Electrochemical determination of iron in coastal waters based on ionic liquid-reduced graphene oxide supported gold nanodendrites.ELECTROCHIMICA ACTA,176,548-554.
MLA Li, Fei,et al."Electrochemical determination of iron in coastal waters based on ionic liquid-reduced graphene oxide supported gold nanodendrites".ELECTROCHIMICA ACTA 176(2015):548-554.
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