Issue 37, 2018

Facile room temperature synthesis of large graphene sheets from simple molecules

Abstract

The largest graphene sample obtained through a chemical reaction under ambient conditions (temperature and pressure), using simple molecules such as benzene or n-hexane as precursors, is reported. Starting from a heterogeneous reaction between solid iron chloride and the molecular precursor (benzene and n-hexane) at a water/oil interface, graphene sheets with micrometric lateral size are obtained as a film deposited at the liquid/liquid (L/L) interface. The pathway involving the cyclization and aromatization of n-hexane to benzene at the L/L interface, and the sequence of conversion of benzene to biphenyl and biphenyl to condensed rings (which originates the graphene structures) was followed by different characterization techniques and a mechanistic proposal is presented. Finally, we demonstrate that this route can be extended for the synthesis of N-doped graphene, using pyridine as the molecular precursor.

Graphical abstract: Facile room temperature synthesis of large graphene sheets from simple molecules

Supplementary files

Article information

Article type
Edge Article
Submitted
26 יונ 2018
Accepted
12 אוג 2018
First published
14 אוג 2018
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2018,9, 7297-7303

Facile room temperature synthesis of large graphene sheets from simple molecules

L. C. Lopes, L. C. da Silva, B. G. Vaz, A. R. M. Oliveira, M. M. Oliveira, M. L. M. Rocco, E. S. Orth and A. J. G. Zarbin, Chem. Sci., 2018, 9, 7297 DOI: 10.1039/C8SC02818D

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