IJETSI

Title: DESIGN, SOLUTION SYNTHESIS, CHARACTERIZATION AND PHOTOLUMINESCENCE AS WELL AS AFTERGLOW STUDIES OF Y2O3:Eu3+, Ho3+ PHOSPHORS
Authors: Irshad Ahmad Dar and Sudeshna Ray
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Irshad Ahmad Dar and Sudeshna Ray Department of Physical Science, Rabindranath Tagore University, Bhopal
MLA 8 Dar, Irshad Ahmad, and Sudeshna Ray. "Design, solution synthesis, characterization and photoluminescence as well as afterglow studies of Y2O3:Eu3+, Ho3+ phosphors." IJETSI, vol. 3, no. 4, June 3, pp. 211-216, ijetsi.org/more2019.php?id=16. Accessed June 2019. APA Dar, I., & Ray, S. (3, June). Design, solution synthesis, characterization and photoluminescence as well as afterglow studies of Y2O3:Eu3+, Ho3+ phosphors. IJETSI, 3(4), 211-216. Retrieved from ijetsi.org/more2019.php?id=16 Chicago Dar, Irshad Ahmad, and Sudeshna Ray. "Design, solution synthesis, characterization and photoluminescence as well as afterglow studies of Y2O3:Eu3+, Ho3+ phosphors." IJETSI 3, no. 4 (June 3), 211-216. Accessed June, 2019. ijetsi.org/more2019.php?id=16.
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Abstract: Y2O3:Eu3+, Ho3+ phosphors were prepared by a complex based precursor solution method using Triethanolamine (TEA) as complexing agent. X-ray diffraction (XRD) patterns indicate that Eu3+ and Ho3+ doping do not show obvious effect to the cubic Y2O3 crystal. Under UV 254 nm excitation, Y2O3:Eu3+, Ho3+ phosphor shows a red-emitting long afterglow phenomenon, and the Eu3+ ion are the luminescent center during the decay process. The decay characteristic of Y2O3:Eu3+, Ho3+ phosphor is according with the double exponential equation. The traps in the Y2O3:Eu3+, Ho3+ host is originated from Eu3+ ion. The co-doped Ho3+ ion shoaled the trap depth, which is beneficial for the carriers to escape from the trap resulting into the afterglow phenomenon.

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