Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method

UNAL, Fatma

doi:10.16984/saufenbilder.895402

Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method

Fatma UNAL (Hitit Üniversitesi, Çorum, Türkiye)

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Yıl: 2021 Cilt: 25 Sayı: 4 Sayfa Aralığı: 1031 - 1036 Metin Dili: İngilizce DOI: 10.16984/saufenbilder.895402 İndeks Tarihi: 29-07-2022

Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method

Öz:

In this study, un-doped and Tb doped ytterbium oxide (Yb2O3:Tb3+) particles with differentdopant rates (2, 4, 6 and 8 at. %) were produced by precipitation method, followed bysubsequent calcination at 1000 °C for 2 h. The crystal structure of all particles was cubic Yb2O3structure. The presence of Tb ion in Yb2O3 host structure was proved from the XRD peak shiftresults. The crystal structure expanded compared to un-doped Yb2O3 particles with doping,confirming calculated lattice parameter (LP) values. The LP, crystallite size (CS) anddislocation density values were in the range of 1.0428 – 1.0596 nm, 16 – 25 nm and 0.00189 –0.00391 nm-2, respectively. Only one sharp emission peak was observed at 506 nmcorresponding to 5D4 –7F6 transition (green emission) from photoluminescence (PL) spectra ofthe phosphor particles. The PL emission intensities were found to be strongly dependent onboth CS and dopant rate. There was a positive correlation between increasing CS, decreasinglattice strain/dislocation density and PL intensity. Crystal defects decreased and PL intensityincreased up to 6 at. % dopant rate.

Anahtar Kelime: photoluminescence emission precipitation method Terbium doped ytterbium oxide phosphors Williamson-Hall analysis

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	UNAL F (2021). Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. , 1031 - 1036. 10.16984/saufenbilder.895402
Chicago	UNAL Fatma Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. (2021): 1031 - 1036. 10.16984/saufenbilder.895402
MLA	UNAL Fatma Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. , 2021, ss.1031 - 1036. 10.16984/saufenbilder.895402
AMA	UNAL F Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. . 2021; 1031 - 1036. 10.16984/saufenbilder.895402
Vancouver	UNAL F Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. . 2021; 1031 - 1036. 10.16984/saufenbilder.895402
IEEE	UNAL F "Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method." , ss.1031 - 1036, 2021. 10.16984/saufenbilder.895402
ISNAD	UNAL, Fatma. "Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method". (2021), 1031-1036. https://doi.org/10.16984/saufenbilder.895402

APA	UNAL F (2021). Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 25(4), 1031 - 1036. 10.16984/saufenbilder.895402
Chicago	UNAL Fatma Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi 25, no.4 (2021): 1031 - 1036. 10.16984/saufenbilder.895402
MLA	UNAL Fatma Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, vol.25, no.4, 2021, ss.1031 - 1036. 10.16984/saufenbilder.895402
AMA	UNAL F Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi. 2021; 25(4): 1031 - 1036. 10.16984/saufenbilder.895402
Vancouver	UNAL F Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method. Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi. 2021; 25(4): 1031 - 1036. 10.16984/saufenbilder.895402
IEEE	UNAL F "Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method." Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 25, ss.1031 - 1036, 2021. 10.16984/saufenbilder.895402
ISNAD	UNAL, Fatma. "Photoluminescence Investigation of Tb Doped Yb2O3 Phosphors Produced by Precipitation Method". Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi 25/4 (2021), 1031-1036. https://doi.org/10.16984/saufenbilder.895402