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Production of Graphene Sheets by Direct Dispersion with Aromatic Healing Agents
Author(s) -
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
Publication year - 2010
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200901978
Subject(s) - graphene , exfoliation joint , materials science , dispersion (optics) , graphite , annealing (glass) , chemical engineering , pyrene , graphene oxide paper , nanotechnology , composite material , organic chemistry , chemistry , physics , engineering , optics
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.
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