Synthesis, structural and luminescence properties of Dy$^{3+}$ activated GdAlO$_3$ phosphors by a solid state reaction method under a N$_2$ atmosphere

Bulletin of Materials Science

SAMIT TIWARI^1¹  RAUNAK KUMAR TAMRAKAR^1² 

[1] Department of Applied Physics, Bhilai Institute of Technology (Seth Balkrishan Memorial), Near Bhilai House, Durg (C.G.) 491001, India^1;International and Inter University Centre of Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686560, India^2

关键词: GdAlO$_3$;    Dy$^{3+}$;    XRD;    photoluminescence;    CIE.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

Dysprosium (Dy$^{3+}$) ion-doped GdAlO$_3$ nanophosphors were fabricated by using a high temperature solid state reaction method. X-ray diffraction measurements were used to investigate the phase and crystal size of these phosphors. The morphology of the powder was observed by scanning electron microscopy. The band structure of the phosphor was determined by recording the UV absorption spectra and Tauc plot. The optical behaviour of the phosphors was determined by measuring their photoluminescence (PL) spectra. The PL spectra show characteristic blue (489 nm) and green (567 nm)emissions corresponding to the energy level transitions of Dy$^{3+}$.

【 授权许可】

CC BY