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Structure and photoluminescence properties of SrWO 4 3D microspheres synthesized by the surfactant‐assisted hydrothermal method
Author(s) -
Tian Guangru,
Sheng Ning,
Qiu Xiaomei
Publication year - 2014
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.201300387
Subject(s) - photoluminescence , ammonium bromide , transmission electron microscopy , hydrothermal circulation , scanning electron microscope , aqueous solution , pulmonary surfactant , cationic polymerization , materials science , bromide , chemical engineering , microsphere , hydrothermal synthesis , nanotechnology , crystallography , chemistry , inorganic chemistry , polymer chemistry , composite material , optoelectronics , engineering
In this paper, we report large‐scale high‐quality SrWO 4 3D microspheres synthesized in aqueous solutions under mild conditions with cetyl trimethyl ammonium bromide as a simple cationic surfactant. These crystals have been characterized by X‐ray diffraction, transmission electron microscopy and field emission scanning electron microscopy techniques. The crystal growth processes were employed to investigate the formation mechanism of SrWO 4 3D microspheres. Room‐temperature photoluminescence indicated that the as‐prepared SrWO 4 3D microcrystals had strong emission peaks at about 432 and 505 nm, respectively.