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Synthesis and Characterization of Nanocrystalline Y2O3: Eu 3+ Phosphor. An Upper-Division Inorganic Chemistry Laboratory
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Abstract
An experiment suitable for a junior–senior-level inorganic synthesis laboratory course is presented. It involves the preparation of nanocrystalline Y2O3:Eu3+ phosphor using a combustion synthesis technique, and the additional firing of some of the nanoparticles at 900 °C. The particle size of these materials is calculated using powder X-ray diffraction data; it is found to be about 60 nm as prepared and about 110 nm after the additional heat treatment. The luminescence properties of Eu3+ in this host are characterized using a fluorescence spectrometer. A change in the efficiency and a shift in the position of the charge transfer band are observed. A sample set of student data and analysis is included.
Keywords (Audience):
Upper-Division UndergraduateKeywords (Domain):
Inorganic ChemistryKeywords (Pedagogy):
Hands-On Learning / ManipulativesKeywords (Subject):
SynthesisCiting Articles
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- Received: August 03, 2009
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