Production of Graphene Sheets by Direct Dispersion with Aromatic Healing Agents

A simple and scalable exfoliation approach is developed to produce high‐quality single‐layer graphene sheets without the use of toxic reduction agents of expensive solvents. Graphite powders are exfoliated in a water solution of pyrene derivatives, which act as dispersion agents, healing agents, and...

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Veröffentlicht in:	Small (Weinheim an der Bergstrasse, Germany) Germany), 2010-05, Vol.6 (10), p.1100-1107
Hauptverfasser:	Zhang, Ming, Parajuli, Rishi R., Mastrogiovanni, Daniel, Dai, Boya, Lo, Phil, Cheung, William, Brukh, Roman, Chiu, Pui Lam, Zhou, Tao, Liu, Zhongfan, Garfunkel, Eric, He, Huixin
Format:	Artikel
Sprache:	eng
Schlagworte:	doping agents graphene Graphite - chemistry healing agents Microscopy, Atomic Force Nanostructures - chemistry Oxides - chemistry Photoelectron Spectroscopy reparative thermal annealing Spectrometry, Fluorescence Spectrum Analysis, Raman transparent conductive oxides
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A simple and scalable exfoliation approach is developed to produce high‐quality single‐layer graphene sheets without the use of toxic reduction agents of expensive solvents. Graphite powders are exfoliated in a water solution of pyrene derivatives, which act as dispersion agents, healing agents, and electric “glue” during the thermal annealing process.
ISSN:	1613-6810 1613-6829
DOI:	10.1002/smll.200901978