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Could Carbonaceous Impurities in Reduced Graphenes be Responsible for Some of Their Extraordinary Electrocatalytic Activities?
Author(s) -
Wang Lu,
Ambrosi Adriano,
Pumera Martin
Publication year - 2013
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201300122
Subject(s) - impurity , graphene , hydroquinone , amorphous solid , carbon fibers , materials science , electrocatalyst , chemical engineering , chemistry , inorganic chemistry , nanotechnology , organic chemistry , electrode , electrochemistry , composite material , composite number , engineering
Thermally and chemically reduced graphene materials contain significant amounts of carbonaceous impurities that are similar in structure to amorphous carbon. Herein, we show that the claimed electrocatalytic activities of these materials for the oxidation of NADH, acetaminophen, and hydroquinone are mainly due to the presence of carbonaceous impurities.