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Colloidal Ceria Nanocrystals: A Tailor‐Made Crystal Morphology in Supercritical Water
Author(s) -
Zhang J.,
Ohara S.,
Umetsu M.,
Naka T.,
Hatakeyama Y.,
Adschiri T.
Publication year - 2007
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200600964
Subject(s) - nanocrystal , supercritical fluid , materials science , hydrothermal circulation , nanotechnology , morphology (biology) , fluorite , hydrothermal synthesis , oxide , colloid , ligand (biochemistry) , crystal (programming language) , crystal structure , hydrothermal reaction , chemical engineering , crystallography , organic chemistry , computer science , chemistry , biochemistry , receptor , programming language , biology , metallurgy , engineering , genetics
Control of the morphology of ceria nanocrystals is achieved through a simple, rapid, and green chemistry approach by tuning the reaction of organic ligand molecules with specific crystallographic planes of fluorite cubic ceria crystal during supercritical hydrothermal synthesis, as shown in the figure. It provides a novel self‐assembly approach for producing metal oxide nanocrystals with uniform size and well‐defined shape.