Facile synthesis of thermally reduced graphene oxide-sepiolite nanohybrid via intercalation and thermal reduction method

Hybrid thermally reduced graphene oxide-sepiolite (TRGO-Sep) nanocomposite has been synthesized using via the intercalation of cetyltrimethylammonium chloride (CTAC) with sepiolite (Sep) and graphene oxide (GO) followed by thermal reduction. The physico-chemical characterization of the hybrid was ev...

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Bibliographic Details
Published in:Applied clay science 2017-01, Vol.135, p.510-515
Main Authors: Vengatesan, M.R., Singh, S., Stephen, S., Prasanna, K., Lee, C.W., Mittal, V.
Format: Article
Language:English
Subjects:
CTAC
Graphene sheets
Hybrid nanomaterial
Intercalation
Sepiolite
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Summary:Hybrid thermally reduced graphene oxide-sepiolite (TRGO-Sep) nanocomposite has been synthesized using via the intercalation of cetyltrimethylammonium chloride (CTAC) with sepiolite (Sep) and graphene oxide (GO) followed by thermal reduction. The physico-chemical characterization of the hybrid was evaluated by wide angle X-ray diffraction (WAXRD), X-ray photoelectron spectroscopy (XPS) and scanning & transmission electron microscopy. The existence of characteristic (110) reflection of sepiolite at 2θ=7.48° confirmed the presence of Sep in the TRGO-Sep hybrid. BET analysis resulted that the surface area of the hybrid material was found to 128.2m2/g. TEM analysis confirmed that the stacking of one dimensional Sep on the graphene sheets. •Hybrid graphene-sepiolite (TRGO-SEP) material prepared in simple synthetic method.•The presence of 1D Sep in the hybrid material may reduce the sheet stacking between the graphene sheets.•Hybrid material is mesoporous in nature.
ISSN:0169-1317
1872-9053
DOI:10.1016/j.clay.2016.09.006