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Uncapped Silver Nanoclusters as Potential Catalyst for Enhanced Direct-Electrochemical Oxidation of 4-Nitrophenol
Kalaiyarasi, G. M.1,2; Elakkiya, R.1,2; Kundu, M.1,2; Jin, W.3; Sasidharan, M.1,2; Maduraiveeran, G.1,2
2019-03-01
Source PublicationJOURNAL OF CLUSTER SCIENCE
ISSN1040-7278
Volume30Issue:2Pages:393-402
AbstractHerein silver nanoclusters (Ag NCS) are synthesized by one-step,and facile chemical reduction strategy in water medium at room temperature without employing any external stabilizing agents. Silver nanoclusters based film was prepared on a glassy carbon electrode surface (GCE Ag NCS) as the working electrode for the direct electrochemical oxidation of 4-nitrophenol for the first time. It is found that Ag nanoclusters exhibit an admirable electrocatalytic activity for the direct-oxidation of 4-nitrophenol by offering huge accessible electrochemical active surface area and a facile environment for the electron transfer from analyte to the electrode in the absence of any other mediator or enzymes on the electrode surface. Silver nanoclusters based electrode demonstrates significantly improved anodic current by similar to 12 times and less positive anodic peak potential shift by similar to 0.27V in comparison to bare GCE, revealing superior performance of present electrode materials for direct-oxidation of 4-nitrophenol. The GCE Ag NCS also exhibits high mass activity of 64.3Ag(-1) and diffusion co-efficient of 0.2x10(-3)cm(2)s(-1). The catalyst developed in this investigation also possesses good durability under 1.0M KOH, demonstrating that the Ag nanoclusters constructed electrodes have promising practical environmental applications. [GRAPHICS] .
KeywordSilver nanocluster Modified electrode Electrocatalyst 4-Nitrophenol Environmental application
DOI10.1007/s10876-019-01499-7
Language英语
WOS KeywordREDUCED GRAPHENE OXIDE ; SENSING PLATFORM ; FACILE SYNTHESIS ; ULTRASENSITIVE DETECTION ; BIOSENSOR PLATFORMS ; SELECTIVE DETECTION ; P-NITROPHENOL ; NANOPARTICLES ; ELECTRODE ; SENSOR
Funding ProjectDST-FIST[SR/FST/CST-266/2015(c)]
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear
Funding OrganizationDST-FIST
WOS IDWOS:000459796300014
PublisherSPRINGER/PLENUM PUBLISHERS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28331
Collection中国科学院过程工程研究所
Corresponding AuthorMaduraiveeran, G.
Affiliation1.SRM Inst Sci & Technol, Dept Chem, Chennai 603203, Tamil Nadu, India
2.SRM Inst Sci & Technol, Res Inst, Chennai 603203, Tamil Nadu, India
3.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Kalaiyarasi, G. M.,Elakkiya, R.,Kundu, M.,et al. Uncapped Silver Nanoclusters as Potential Catalyst for Enhanced Direct-Electrochemical Oxidation of 4-Nitrophenol[J]. JOURNAL OF CLUSTER SCIENCE,2019,30(2):393-402.
APA Kalaiyarasi, G. M.,Elakkiya, R.,Kundu, M.,Jin, W.,Sasidharan, M.,&Maduraiveeran, G..(2019).Uncapped Silver Nanoclusters as Potential Catalyst for Enhanced Direct-Electrochemical Oxidation of 4-Nitrophenol.JOURNAL OF CLUSTER SCIENCE,30(2),393-402.
MLA Kalaiyarasi, G. M.,et al."Uncapped Silver Nanoclusters as Potential Catalyst for Enhanced Direct-Electrochemical Oxidation of 4-Nitrophenol".JOURNAL OF CLUSTER SCIENCE 30.2(2019):393-402.
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