White light emission from sol-gel derived γ-Y2Si2O7 nanoparticles

Murat Erdem*, Gonul Eryurek, Baldassare Di Bartolo

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33 Atıf (Scopus)

Özet

We report the generation of wideband white light with a spectrum ranging from 400 to 800 nm obtained from sol-gel derived γ-Y2Si2O7 nano powders with average particle size under 100 nm when excited with the 803.5 nm emission of a laser diode. The white light intensity was found to increase with decreasing environment pressure and increasing laser pumping power. The International Commission on Illumination coordinates were found to be x = 0.3408 and y = 0.3100 under 803.5 nm excitation. These values lie in the yellowish region and correspond to color temperature values of 5030 K with a color rendering index of 85. The illuminance value was found to be 1456 lux.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)483-487
Sayfa sayısı5
DergiJournal of Alloys and Compounds
Hacim639
DOI'lar
Yayın durumuYayınlandı - 5 Ağu 2015

Bibliyografik not

Publisher Copyright:
© 2015 Elsevier B.V. All rights reserved.

Finansman

This study was financially supported by the Scientific Research Projects Unit (BAPKO) of Marmara University with the Project number FEN-B-150513-0170. One of the authors (Murat Erdem) would like to thank the Scientific and Technological Research Council of Turkey (TUBITAK) for its support.

FinansörlerFinansör numarası
Scientific Research Projects Unit
Marmara ÜniversitesiFEN-B-150513-0170

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