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P‐51: A Novel Synthetic Method for the Production of Y 2 O 3 : Eu Phosphor particles of a Controlled Size using Copolymer Microgels of NIPAM
Author(s) -
Silver J.,
MartinezRubio M. I.,
Gebretensae S.,
Fern G. R.,
Snowden M. J.,
Withnall R.
Publication year - 2002
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.1830812
Subject(s) - copolymer , phosphor , luminescence , materials science , particle size , particle (ecology) , range (aeronautics) , acrylic acid , chemical engineering , polymer chemistry , polymer , composite material , optoelectronics , oceanography , engineering , geology
A novel method for preparing the luminescent red Y 2 O 3 : Eu phosphor using copolymer microgels of NIPAM is described. An extensive range of spherical particle sizes (from 0.1 to 1 μm) can be produced using copolymer microgels of NIPAM and AMPS. To produce spherical Y 2 O 3 : Eu phosphor particles less than 100 nm in diameter, the copolymer microgel used was NIPAM and Acrylic acid (AAc). The dependence of luminescent intensity on particle size is also reported.