Bright white light up-conversion luminescence from Yb3+/Er3+/Tm3+ tridoped gadolinium gallium garnet nano-crystals for multicolor and white light-emitting diodes

Hümeyra Örücü*, Sevcan Tabanli, Murat Erdem, Yavuz Öztürk, Gönül Eryürek

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

6 Atıf (Scopus)

Özet

Gadolinium Gallium Garnet nanophosphors with Yb3+/Er3+/Tm3+ triply-doped ions were synthesized via the Solgel Pechini method and annealed at different temperatures ranging from 800 to 1200 °C. The approximate average crystallite sizes were determined within the range of 26–56 nm by using X-ray diffraction analysis. Color-tunable up-conversion emission was explored in nanomaterials by varying excitation power under 975 nm excitation wavelength by varying excitation power and Tm3+ concentration for white light emission. Bright white light up-conversion luminescence from Yb3+/Er3+/Tm3+ tridoped Gd3Ga5O12 was recorded. The color quality coordinates for Gd3Ga5O12:2%Yb3+/1%Er3+/1.5%Tm3+ nanophosphors annealed at 1000 °C were found to be x = 0.3244, y = 0.3297 at room temperature under 975 nm infrared excitation, which falls within the white zone of the 1931 International Commission on Illumination diagram. Nanophosphors show extreme near-infrared radiation at 800 nm, which is also beneficial to deeper tissue penetration and promotes plants' growth.

Orijinal dilİngilizce
Makale numarası112613
DergiOptical Materials
Hacim131
DOI'lar
Yayın durumuYayınlandı - Eyl 2022

Bibliyografik not

Publisher Copyright:
© 2022 Elsevier B.V.

Finansman

This work was supported by project number 14-FEN-027 from Ege University Scientific Research Projects Coordination Department.

FinansörlerFinansör numarası
Ege Üniversitesi

    Parmak izi

    Bright white light up-conversion luminescence from Yb3+/Er3+/Tm3+ tridoped gadolinium gallium garnet nano-crystals for multicolor and white light-emitting diodes' araştırma başlıklarına git. Birlikte benzersiz bir parmak izi oluştururlar.

    Alıntı Yap