Investigation of the Effect Gd3+ on Nanoparticle Host-to-Europium Transfer Efficiency in YBO3: Gd3+, Eu3+ Under VUV Excitation

Benjamin Harrietha

Document Type

Oral Presentation

Campus where you would like to present

SURC Ballroom A

Start Date

17-5-2012

End Date

17-5-2012

Abstract

YBO3 :Eu, Gd, is a red phosphor that has several industrial uses such as in plasma display panels and lighting. The host-to-activator transfer efficiency of the phosphors was observed through their respective excitation and reflectance spectra gathered using vacuum ultraviolet (VUV) spectroscopy. These spectra were compared to previous research done on YBO3: Eu to observe the effect that Gd has on the observed transfer efficiency, particularly when the particle size is decreased. The data at this point are inconclusive, but based on the data thus far; it is likely that Gd cannot overcome the surface loss in smaller particle sizes.

Poster Number

24

Faculty Mentor(s)

Anthony Diaz

Additional Mentoring Department

Chemistry

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May 17th, 8:30 AM May 17th, 11:00 AM

Investigation of the Effect Gd3+ on Nanoparticle Host-to-Europium Transfer Efficiency in YBO3: Gd3+, Eu3+ Under VUV Excitation

SURC Ballroom A

YBO3 :Eu, Gd, is a red phosphor that has several industrial uses such as in plasma display panels and lighting. The host-to-activator transfer efficiency of the phosphors was observed through their respective excitation and reflectance spectra gathered using vacuum ultraviolet (VUV) spectroscopy. These spectra were compared to previous research done on YBO3: Eu to observe the effect that Gd has on the observed transfer efficiency, particularly when the particle size is decreased. The data at this point are inconclusive, but based on the data thus far; it is likely that Gd cannot overcome the surface loss in smaller particle sizes.