Effect of annealing temperature on luminescence properties of ZnWO 4 :Eu 3+ nanophosphor

2019 ◽  
Vol 14 (5) ◽  
pp. 496-500 ◽  
Author(s):  
Chunyang Li ◽  
Xiaodi Du ◽  
Yurong Shi ◽  
Zhenling Wang
Keyword(s):  
Annealing Temperature ◽  
Luminescence Properties

Synthesis and luminescence properties of a H2annealed Mn-doped Y3Al5O12:Ce3+single crystal for WLEDs

CrystEngComm ◽  
2015 ◽  
Vol 17 (24) ◽  
pp. 4554-4561 ◽  
Author(s):  
Guorui Gu ◽  
Weidong Xiang ◽  
Cheng Yang ◽  
Xiaojuan Liang
Keyword(s):  
Single Crystal ◽  
Emission Intensity ◽  
Annealing Temperature ◽  
Luminescence Properties ◽  
Blue Led ◽  
Grown Sample ◽  
Orange Region ◽  
Yellow Orange ◽  
Mn Doped

Compared to the blue LED chip and the as-grown sample, upon increasing the annealing temperature, the emission intensity in the yellow-orange region is enhanced and reaches the highest at 1550 °C.

Structural and Luminescence Properties of Nanocrystalline Eu3+-doped Gd2O3

2008 ◽  
Vol 1074 ◽  
Author(s):  
Segundo Jauregui ◽  
Oscar Perales-Perez ◽  
Omar Vasquez ◽  
W. Jia ◽  
M. S. Tomar ◽  
...  
Keyword(s):  
Annealing Temperature ◽  
Sol Gel ◽  
Luminescence Properties ◽  
Atomic Fraction ◽  
Photoluminescence Intensity ◽  
X Ray Diffraction ◽  
X Ray ◽  
Different Temperatures ◽  
Species Being

ABSTRACTThe present work addresses the synthesis and characterization of red emitting Gd2-xEuxO3 nanocrystalline phosphors by a modified sol-gel based method. The effects of the annealing temperature and atomic fraction of Eu3+ ions, ‘x’, on the structural and luminescence properties of the produced oxides have been systematically investigated. X-ray diffraction analyses revealed that crystalline cubic-Gd2O3 host structure was obtained when the intermediates (x=0.01-0.30) were annealed at different temperatures in air. Photoluminescence spectra of doped Gd2O3 powders showed all transitions of Eu3+ species, being the 5D0→7F2 transition the most intense. On a common sample-weight basis, the highest photoluminescence intensity was obtained at ‘x’ = 0.15. The energy transfer from host to dopant was verified for all evaluated ‘x’ values, which suggest the actual incorporation of Eu species into the Gd-oxide lattice. It was also found that the photoluminescence intensity was strongly dependent on the annealing temperature and dopant concentration.

Effect of doping concentration and annealing temperature on luminescence properties of Y2O3:Eu3+ nanophosphor prepared by colloidal precipitation method

2012 ◽  
Vol 132 (8) ◽  
pp. 2023-2029 ◽  
Author(s):  
G. Siddaramana Gowd ◽  
Manoj Kumar Patra ◽  
Sandhya Songara ◽  
Anuj Shukla ◽  
Manoth Mathew ◽  
...  
Keyword(s):  
Doping Concentration ◽  
Annealing Temperature ◽  
Luminescence Properties ◽  
Precipitation Method ◽  
Effect Of Doping

Effects of annealing temperature on structural and luminescence properties of CdMoO4:Dy3+ phosphor synthesized at room temperature by co-precipitation method

2020 ◽  
Vol 102 ◽  
pp. 106172 ◽  
Author(s):  
N. Premjit Singh ◽  
N. Ramananda Singh ◽  
Y. Rangeela Devi ◽  
Brojendro Singh Sh ◽  
Th. David Singh ◽  
...  
Keyword(s):  
Room Temperature ◽  
Annealing Temperature ◽  
Luminescence Properties ◽  
Precipitation Method ◽  
Co Precipitation

Synthesis and Luminescence Properties of α-NaYF4∶Eu3+Red Phosphors Under Different Annealing Temperature

2015 ◽  
Vol 36 (5) ◽  
pp. 502-507
Author(s):  
桂卫军 GUI Wei-jun ◽  
王梓 WANG Zi ◽  
陈楠 CHEN Nan ◽  
杜国平 DU Guo-ping ◽  
刘三秋 LIU San-qiu
Keyword(s):  
Annealing Temperature ◽  
Luminescence Properties ◽  
Red Phosphors
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