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Monodisperse BaF 2 Nanocrystals: Phases, Size Transitions, and Self‐Assembly
Author(s) -
Xie Ting,
Li Shuai,
Peng Qing,
Li Yadong
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.200804528
Subject(s) - nanocrystal , orthorhombic crystal system , dispersity , phase (matter) , materials science , phase transition , crystallography , nanotechnology , chemical engineering , chemistry , physics , thermodynamics , crystal structure , organic chemistry , polymer chemistry , engineering
BaF 2 fled no more : Monodisperse cubic‐ and orthorhombic‐phase BaF 2 nanocrystals were formed readily by the liquid–solid–solution approach. Nucleus growth of BaF 2 occurs under kinetic control, whereby their size and morphology depend greatly on the ripening time and concentration of surfactants (see scheme). The phase of the BaF 2 crystals is under thermodynamic control.
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