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Praseodymium‐Doped Photo‐Luminescent Strontium Indate Nanoparticles by Ultrasonic Spray Pyrolysis
Author(s) -
Lin S.E.,
Borgohain K.,
Wei W. C. J.
Publication year - 2006
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2006.01199.x
Subject(s) - luminescence , materials science , praseodymium , doping , nanoparticle , agglomerate , transmission electron microscopy , strontium , particle size , scanning electron microscope , particle (ecology) , analytical chemistry (journal) , mineralogy , chemical engineering , nanotechnology , optoelectronics , chemistry , composite material , metallurgy , geology , oceanography , organic chemistry , chromatography , engineering
Submicrometer spherical particles of praseodymium (Pr)‐doped strontium indate were synthesized by spray pyrolysis using ultrasonic nebulization. The morphology, crystalline structure, particle size, and size distribution were studied by X‐ray diffraction, scanning, and transmission electron microscopies. The spherical agglomerates were found to be made up of very small nanocrystallites. Upon excitation by UV radiation, sharp luminescence emission bands due to Pr were observed in the blue, green, and red regions in these Pr‐doped samples.