1. RRI Digital Repository
  2. 06. Soft Condensed Matter
  3. Research Papers (SCM)
Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/6910
Full metadata record
DC FieldValueLanguage
dc.contributor.authorAnupam Kumar, Manne-
dc.contributor.authorPatnaik, Sai Gourang-
dc.contributor.authorLakshminarayanan, V.-
dc.contributor.authorRamamurthy, .Sai Sathish-
dc.date.accessioned2018-05-23T20:00:57Z-
dc.date.available2018-05-23T20:00:57Z-
dc.date.issued2018-03-24-
dc.identifier.citationJournal of Analytical Chemistry, 2018, Vol. 73, p. 266–276.en_US
dc.identifier.issn1061-9348-
dc.identifier.issn1608-3199 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/6910-
dc.descriptionRestricted Access.en_US
dc.description.abstractThe present study highlights the first time use of hybrid synergy electrocatalysis to design a cost effective, non-enzymatic ethanol sensor. The nanohybrid has been synthesized by decorating platinum palladium bimetallic nanoparticles (Pt‒PdNPs) on graphene nanosheets (G/Pt‒PdNPs). Field emission scanning electron microscopy, energy dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, electrochemical measurements and UV-Vis spectrophotometry have been used to characterize the nanocomposite. An ethanol oxidation current of 332 μA was obtained with the use of G/Pt‒PdNPs modified glassy carbon electrode (GCE) that is 167 times higher than that of bare GCE in cyclic voltammetry studies with a potential scan rate of 50 mV/s in 0.1 M NaOH as the supporting electrolyte. Chronoamperometry studies have shown a distinct increase in the current for increasing concentration of ethanol with a wide range of linearity extending from 5 mM to 3 M and a detection limit of 1 mM with the use of G/Pt‒PdNPs. Quantum mechanical modeling using density functional theory was used to arrive at the minimization energies of G/Pd, G/Pt and G/Pt‒Pd in the presence and absence of ethanol. The improved catalytic activity of G/Pt‒PdNPs nanocomposite for ethanol detection is on account of the cooperative effects of Pt and PdNPs, coupled with the high conducting nature of graphene.en_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.urihttps://link.springer.com/article/10.1134/S1061934818030073en_US
dc.subjectethanolen_US
dc.subjectsensoren_US
dc.subjectgrapheneen_US
dc.subjectpalladiumen_US
dc.subjectplatimunen_US
dc.titleSynergistic Hybrid Catalyst for Ethanol Detection: Enhanced Performance of Platinum Palladium Bimetallic Nanoparticles Decorated Graphene on Glassy Carbon Electrodeen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (SCM)

Files in This Item:
File Description SizeFormat 
J of Anal. Che_Vol.73_p266-276.pdf
  Restricted Access		Restricted Access1.19 MBAdobe PDFView/Open Request a copy
Show simple item record


Items in RRI Digital Repository are protected by copyright, with all rights reserved, unless otherwise indicated.