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Surface‐Metastable Phase‐Initiated Seeding and Ostwald Ripening: A Facile Fluorine‐Free Process towards Spherical Fluffy Core/Shell, Yolk/Shell, and Hollow Anatase Nanostructures
Author(s) -
Cao Lu,
Chen Dehong,
Caruso Rachel A.
Publication year - 2013
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.201305819
Subject(s) - ostwald ripening , anatase , materials science , nanostructure , chemical engineering , dispersity , seeding , nanotechnology , phase (matter) , metastability , shell (structure) , chemistry , organic chemistry , polymer chemistry , photocatalysis , composite material , catalysis , aerospace engineering , engineering
Versatile synthetic method : Monodisperse anatase microspheres with various complex morphologies have been synthesized by using a versatile fluorine‐free solvothermal process in the presence of ammonia. Unambiguous evidence related to surface seeding and a subsequent hollowing process revealed an Ostwald ripening evolution process.