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A Core–Corona Hierarchical Manganese Oxide and its Formation by an Aqueous Soft Chemistry Mechanism
Author(s) -
Portehault David,
Cassaig Sophie,
Nassif Nadine,
Baudrin Emmanuel,
Jolivet JeanPierre
Publication year - 2008
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.200800331
Subject(s) - context (archaeology) , birnessite , supercapacitor , aqueous solution , template , nanotechnology , lamellar structure , manganese , oxide , precipitation , materials science , porosity , nanostructure , chemistry , chemical engineering , electrochemistry , manganese oxide , organic chemistry , electrode , geology , composite material , paleontology , meteorology , engineering , physics
No template and no organic medium are needed for the low‐temperature, one‐pot aqueous route to layered manganese oxides with a hierarchical core–corona architecture (see picture). Particle formation occurs by a two‐step precipitation process with two different kinetics.

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