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The production of smectite clay/graphene composites through delamination and co-stacking

Nethravathi, C and Viswanath, B and Shivakumara, C and Mahadevaiah, N and Rajamathi, M (2008) The production of smectite clay/graphene composites through delamination and co-stacking. In: Carbon, 46 (13). pp. 1773-1781.

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Abstract

Layers from delaminated colloidal dispersions of two structurally different layered solids-octylamine-intercalated graphite oxide and cetyltrimethylammonium-intercalated smectite – could be costacked to obtain smectite clay/graphite oxide composites. The layers of the two parent solids were randomly stacked together in these composites. On thermal decomposition the graphite oxide sheets in the composites are reduced to graphene sheets resulting in clay/graphene composites. The composition is not uniform in these composites, which have many smectite-rich and carbon-rich regions. The clay component of the clay/graphene composites could be leached out to obtain exfoliated graphite.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 29 Oct 2009 11:19
Last Modified: 19 Sep 2010 04:57
URI: http://eprints.iisc.ernet.in/id/eprint/17550

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