Si Codoped CuAlS2:Mn Red Phosphor for White LEDs

Si Codoped CuAlS2:Mn Red Phosphor for White LEDs

A novel red phosphor of CuAlS2:Mn for white LEDs has been successfully prepared by solid-state-reaction method using an opened-tubular-furnace. It has been found that both photoluminescence (PL) intensity and thermal stability are improved by Si-codoping. The currently obtained PL stimulus value Y u...

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Veröffentlicht in:Journal of Light & Visual Environment 2008, Vol.32(2), pp.135-138
Hauptverfasser: TSUJI, Kazuaki, OHMI, Koutoku
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Sprache:eng
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CuAlS2:Mn
red phosphor
Si-codoping
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container_title Journal of Light & Visual Environment
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creator TSUJI, Kazuaki
OHMI, Koutoku
description A novel red phosphor of CuAlS2:Mn for white LEDs has been successfully prepared by solid-state-reaction method using an opened-tubular-furnace. It has been found that both photoluminescence (PL) intensity and thermal stability are improved by Si-codoping. The currently obtained PL stimulus value Y under 380-nm-excitation is about 67 % compared to La2O2S:Eu. The PL intensity at 100°C maintains 95 % of that at a room temperature.
doi_str_mv 10.2150/jlve.32.135
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subjects CuAlS2:Mn
red phosphor
Si-codoping
title Si Codoped CuAlS2:Mn Red Phosphor for White LEDs
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