Journal
LANGMUIR
Volume 33, Issue 19, Pages 4748-4757Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.7b00773
Keywords
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Funding
- Fonds Quebecois de la recherche sur la nature et les technologies (FQRNT)
- National Sciences and Engineering Research Council of Canada (NSERC)
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Quasi-monodisperse populations of (H3O)Y3F10 center dot xH(2)O nano crystals of varying size are prepared in Igepal-stabilized microemulsions. Correlations between microemulsion composition, micelle hydrodynamic radius, and final nanoparticle size are established and shed light on the mechanism of particle size control. Under the conditions considered here, size control appears to be primarily governed by the number of micelles and the quantities of precursor ions. More specifically, the number of NPs formed can be successfully correlated with the number of micelles present and final NP size is, in turn, determined by the number of nuclei and the total amount of material available for nanocrystal formation. This insight into nanoparticle formation facilitates the selection of appropriate synthetic conditions for the preparation of populations of a targeted size.
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