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

被引：86

作者：

Nethravathi, C. ^{[1
]}

Viswanath, B. ^{[2
]}

Shivakumara, C. ^{[3
]}

Mahadevaiah, N. ^{[4
]}

Rajamathi, M. ^{[1
]}

机构：

[1] St Josephs Coll, Dept Chem, Mat Res Grp, Bangalore 560027, Karnataka, India

[2] Indian Inst Sci, Ctr Mat Res, Bangalore 560012, Karnataka, India

[3] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India

[4] Bangalore Inst Technol, Chem Res Lab, Bangalore 560004, Karnataka, India

来源：

CARBON | 2008年 / 46卷 / 13期

关键词：

D O I：

10.1016/j.carbon.2008.07.037

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1773 / 1781

页数：9

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