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Cover Picture: “Metal‐Free” Catalytic Oxygen Reduction Reaction on Heteroatom‐Doped Graphene is Caused by Trace Metal Impurities (Angew. Chem. Int. Ed. 51/2013)
Author(s) -
Wang Lu,
Ambrosi Adriano,
Pumera Martin
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201309814
Subject(s) - graphene , electrocatalyst , heteroatom , catalysis , metal , chemistry , ruthenium , nanotechnology , materials science , inorganic chemistry , chemical engineering , organic chemistry , electrochemistry , ring (chemistry) , electrode , engineering
The oxygen reduction reaction (ORR) is of high industrial importance. A significant research effort has been directed to the so‐called “metal‐free” ORR. In their Communication on page 13818 ff., M. Pumera et al. show that the claimed “metal‐free” electrocatalysis of the ORR on heteroatom‐doped graphene is caused by metallic impurities. The picture shows the reduction of O 2 to water by a graphene sheet stained with manganese, with the Indonesian coral reef in the background.