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Metallic Impurities in Graphenes Prepared from Graphite Can Dramatically Influence Their Properties
Author(s) -
Ambrosi Adriano,
Chee Sze Yin,
Khezri Bahareh,
Webster Richard D.,
Sofer Zdeněk,
Pumera Martin
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201106917
Subject(s) - exfoliation joint , impurity , graphite , metal , materials science , graphene , nanotechnology , chemical engineering , chemistry , metallurgy , organic chemistry , engineering
All at C? Graphenes prepared by the top‐down exfoliation of graphite are shown to contain metallic impurities (see scheme, metal impurities shown as black dots). These impurities may dominate their properties and can have a negative influence on their potential applications.