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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5b04209
|2 doi
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|a pubmed24n0863.xml
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|a eng
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| 100 |
1 |
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|a Shinde, Dhanraj B
|e verfasserin
|4 aut
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| 245 |
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|a Shear Assisted Electrochemical Exfoliation of Graphite to Graphene
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 15.08.2016
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|a Date Revised 12.04.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The exfoliation characteristics of graphite as a function of applied anodic potential (1-10 V) in combination with shear field (400-74 400 s(-1)) have been studied in a custom-designed microfluidic reactor. Systematic investigation by atomic force microscopy (AFM) indicates that at higher potentials thicker and more fragmented graphene sheets are obtained, while at potentials as low as 1 V, pronounced exfoliation is triggered by the influence of shear. The shear-assisted electrochemical exfoliation process yields large (∼10 μm) graphene flakes with a high proportion of single, bilayer, and trilayer graphene and small ID/IG ratio (0.21-0.32) with only a small contribution from carbon-oxygen species as demonstrated by X-ray photoelectron spectroscopy measurements. This method comprises intercalation of sulfate ions followed by exfoliation using shear induced by a flowing electrolyte. Our findings on the crucial role of hydrodynamics in accentuating the exfoliation efficiency suggest a safer, greener, and more automated method for production of high quality graphene from graphite
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Brenker, Jason
|e verfasserin
|4 aut
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1 |
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|a Easton, Christopher D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tabor, Rico F
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Neild, Adrian
|e verfasserin
|4 aut
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| 700 |
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|a Majumder, Mainak
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 32(2016), 14 vom: 12. Apr., Seite 3552-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:32
|g year:2016
|g number:14
|g day:12
|g month:04
|g pages:3552-9
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|u http://dx.doi.org/10.1021/acs.langmuir.5b04209
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