pH-driven physicochemical conformational changes of single-layer graphene oxide

Raymond L. D. Whitby; Alina Korobeinyk; Vladimir M. Gun'ko; Rosa Busquets; Andrew B. Cundy; Krisztina László; Jadwiga Skubiszewska-Zięba; Roman Leboda; Etelka Tombacz; Ildiko Y. Toth; Krisztina Kovacs; Sergey V. Mikhalovsky

doi:10.1039/C1CC13725E

pH-driven physicochemical conformational changes of single-layer graphene oxide†

Raymond L. D. Whitby,*^a Alina Korobeinyk,^a Vladimir M. Gun'ko,^ab Rosa Busquets,^a Andrew B. Cundy,^a Krisztina László,^c Jadwiga Skubiszewska-Zięba,^d Roman Leboda,^d Etelka Tombacz,^e Ildiko Y. Toth,^e Krisztina Kovacs^e and Sergey V. Mikhalovsky^a

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* Corresponding authors

^a Nanoscience & Nanotechnology Group, Faculty of Science and Engineering, University of Brighton, Brighton, United Kingdom
E-mail: r.whitby@brighton.ac.uk
Tel: +44 1273 643986

^b Chuiko Institute of Surface Chemistry, 17 General Naumov Street, 03164 Kiev, Ukraine

^c Budapest University of Technology and Economics, H-1521 Budapest, Hungary

^d Maria Curie-Skłodowska University, 20031 Lublin, Poland

^e Department of Physical Chemistry and Material Science, University of Szeged, H-6720 Szeged, Hungary

Abstract

Single-layer graphene oxides (SLGOs) undergo morphological changes depending on the pH of the system and may account for restricted chemical reactivity. Herein, SLGO may also capture nanoparticles through layering and enveloping when the pH is changed, demonstrating potential usefulness in drug delivery or waste material capture.

Chemical Communications

pH-driven physicochemical conformational changes of single-layer graphene oxide†

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pH-driven physicochemical conformational changes of single-layer graphene oxide

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