Title
Assisted spray pyrolysis production and characterisation of ZnO nanoparticles with narrow size distribution
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
,
Subject
Physics
Chemistry
Source (journal)
Journal of nanoparticle research. - Place of publication unknown
Volume/pages
12(2010) :2 , p. 615-622
ISSN
1388-0764
ISI
000275318700025
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Nano-sized ZnO particles with a narrow size distribution and high crystallinity were prepared from aqueous solutions with high concentrations of Zn2+ containing salts and citric acid in a conventional spray pyrolysis setup. Structure, morphology and size of the produced material were compared to ZnO material produced by simple spray pyrolysis of zinc nitrates in the same experimental setup. Using transmission electron microscopy and electron tomography it has been shown that citric acid-assisted spray pyrolysed material is made up of micron sized secondary particles comprising a shell of lightly agglomerated, monocrystalline primary ZnO nanoparticles with sizes in the 2030 nm range, separable by a simple ultrasonic treatment step.
E-info
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