Oxidative peeling of carbon black nanoparticles

Peter M. Wilson; François Orange; Maxime J.-F. Guinel; Mikhail Shekhirev; Yang Gao; Juan A. Colon Santana; Alexander A. Gusev; Peter A. Dowben; Yongfeng Lu; Alexander Sinitskii

doi:10.1039/C5RA14789A

Oxidative peeling of carbon black nanoparticles

Peter M. Wilson,^a François Orange,^b Maxime J.-F. Guinel,^bc Mikhail Shekhirev,^a Yang Gao,^d Juan A. Colon Santana,^e Alexander A. Gusev,^f Peter A. Dowben,^eg Yongfeng Lu^dg and Alexander Sinitskii*^ag

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* Corresponding authors

^a Department of Chemistry, University of Nebraska – Lincoln, Lincoln, NE 68588, USA
E-mail: sinitskii@unl.edu
Fax: +1-402-472-9402
Tel: +1-402-617-3543

^b Department of Physics and Nanoscopy Facility, College of Natural Sciences, University of Puerto Rico, PO Box 70377, San Juan, Puerto Rico 00936-8377, USA

^c Department of Chemistry, College of Natural Sciences, University of Puerto Rico, PO Box 70377, San Juan, Puerto Rico 00936-8377, USA

^d Department of Electrical Engineering, University of Nebraska – Lincoln, Lincoln, NE 68588, USA

^e Department of Physics and Astronomy, University of Nebraska – Lincoln, Lincoln, NE 68588, USA

^f National University of Science and Technology “MISIS”, Moscow 119991, Russia

^g Nebraska Center for Materials and Nanoscience, University of Nebraska – Lincoln, Lincoln, NE 68588, USA

Abstract

We demonstrate that layered carbon black nanoparticles can be oxidatively peeled via the reaction with potassium permanganate in sulfuric acid. As a result of this reaction, outer layers of carbon nanoparticles “peel” off due to high levels of oxidation while the less oxidized inner cores, though they exhibit remarkable solubility in water, remain mostly intact.

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Oxidative peeling of carbon black nanoparticles

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Oxidative peeling of carbon black nanoparticles

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