Photoluminescence Properties of NaYF[sub 4]:Tb[sup 3+],Ce[sup 3+] under VUV/UV Excitation

2010 ◽  
Vol 13 (3) ◽  
pp. J18 ◽  
Author(s):  
Xue Yu ◽  
Yuhua Wang ◽  
Jidi Liu
Keyword(s):  
Photoluminescence Properties ◽  
Uv Excitation

Scheelite (CaWO4)-type microphosphors: Facile synthesis, structural characterization and photoluminescence properties

2016 ◽  
Vol 30 (32n33) ◽  
pp. 1650400 ◽  
Author(s):  
Yuanyuan Han ◽  
Dan Wang ◽  
Danyang Liang ◽  
Shiqi Wang ◽  
Guoxin Lu ◽  
...  
Keyword(s):  
Luminescence Decay ◽  
Precipitation Method ◽  
Ammonium Bromide ◽  
Photoluminescence Properties ◽  
Facile Synthesis ◽  
Cetyltrimethyl Ammonium Bromide ◽  
Broad Emission ◽  
Transition Formula ◽  
Cetyltrimethyl Ammonium ◽  
Uv Excitation

Scheelite (CaWO4)-type microphosphors were synthesized by the precipitation method assisted with cetyltrimethyl ammonium bromide (CTAB). All compounds crystallized in the tetragonal structure with space group [Formula: see text] (No. 88). FE-SEM micrographs illustrate the spherical-like morphologies and rough surface. PL spectra indicate the broad emission peak maximum at 613 nm under UV excitation. Luminescence decay curves monitored by [Formula: see text] transition ([Formula: see text] nm) of Eu[Formula: see text] in doped CaWO4 are presented, the curves exhibit a single-exponential feature and the lifetime for doped CaWO4 is 0.61 ms.

Photoluminescence properties of single-component white-emitting Ca9Bi(PO4)7:Ce3+,Tb3+,Mn2+phosphors for UV LEDs

2015 ◽  
Vol 3 (27) ◽  
pp. 7096-7104 ◽  
Author(s):  
Kai Li ◽  
Mengmeng Shang ◽  
Yang Zhang ◽  
Jian Fan ◽  
Hongzhou Lian ◽  
...  
Keyword(s):  
High Temperature ◽  
Solid State ◽  
White Light ◽  
Solid State Reaction Method ◽  
Photoluminescence Properties ◽  
Light Emitting ◽  
Reaction Method ◽  
White Light Emitting Diodes ◽  
Uv Leds ◽  
Uv Excitation

A series of Ca9Bi(PO4)7:Ce3+,Tb3+,Mn2+phosphors synthesizedviathe high-temperature solid-state reaction method can emit intense tunable color from purple-blue to red including white under UV excitation, which shows their potential application in UV-pumped white-light-emitting diodes.

scholarly journals Structural, vibrational study and UV photoluminescence properties of the system Bi(2−x)Lu(x)WO6 (0.1 ≤ x ≤ 1)

RSC Advances ◽  
2015 ◽  
Vol 5 (116) ◽  
pp. 96242-96252 ◽  
Author(s):  
H. Ait ahsaine ◽  
M. Ezahri ◽  
A. Benlhachemi ◽  
B. Bakiz ◽  
S. Villain ◽  
...  
Keyword(s):  
Solid Solutions ◽  
Photoluminescence Properties ◽  
Vibrational Study ◽  
Time Correlations ◽  
First Time ◽  
Uv Excitation

This study on bismuth lutetium tungstates presents, for the first time, correlations between structure, vibrational and photoluminescence properties in the case of solid solutions Bi2−xLuxWO6. The origin of luminescence signals under UV excitation is discussed.

Photoluminescence properties of Sr2MgB2O6:Eu3+ red phosphor under near-UV excitation

2015 ◽  
Vol 50 ◽  
pp. 65-68 ◽  
Author(s):  
Rui Guo ◽  
Songling Tang ◽  
Shaobin Zhong ◽  
Lan Luo ◽  
Baochang Cheng ◽  
...  
Keyword(s):  
Photoluminescence Properties ◽  
Red Phosphor ◽  
Uv Excitation

scholarly journals Photoluminescence Properties of Li6Gd(BO3)3:Tb3+ Under VUV / UV Excitation

2012 ◽  
Vol 29 ◽  
pp. 55-61 ◽  
Author(s):  
Feng Zhang ◽  
Yuhua Wang ◽  
Ye Tao
Keyword(s):  
Photoluminescence Properties ◽  
Uv Excitation

Optimum europium doped aluminoborates phosphors and their photoluminescence properties under VUV and UV excitation

2013 ◽  
Vol 54 ◽  
pp. 79-83 ◽  
Author(s):  
Linyan Jia ◽  
Zhongbao Shao ◽  
Qiang Lü ◽  
Yanwen Tian ◽  
Junfeng Han
Keyword(s):  
Photoluminescence Properties ◽  
Uv Excitation

Photoluminescence Properties of Green-Emitting YBO3:Ce3+,Tb3+Phosphor for near UV Excitation

2012 ◽  
Vol 1 (6) ◽  
pp. R163-R168 ◽  
Author(s):  
Ryu Sato ◽  
Satoru Takeshita ◽  
Tetsuhiko Isobe ◽  
Tomohiro Sawayama ◽  
Seiji Niikura
Keyword(s):  
Photoluminescence Properties ◽  
Uv Excitation

A new disordered langbeinite-type compound, K2Tb1.5Ta0.5P3O12, and Eu3+-doped multicolour light-emitting properties

2019 ◽  
Vol 75 (2) ◽  
pp. 213-220 ◽  
Author(s):  
Ya-Li Xue ◽  
Dan Zhao ◽  
Shi-Rui Zhang ◽  
Ya-Nan Li ◽  
Yan-Ping Fan
Keyword(s):  
Three Dimensional ◽  
Spectroscopic Properties ◽  
Energy Transfer Mechanism ◽  
Photoluminescence Properties ◽  
X Ray Diffraction ◽  
Light Emitting ◽  
X Ray ◽  
First Time ◽  
Uv Excitation ◽  
The Eu

For the first time, a new langbeinite-type phosphate, namely potassium terbium tantalum tris(phosphate), K2Tb1.5Ta0.5(PO4)3, has been prepared successfully using a high-temperature flux method and has been structurally characterized by single-crystal X-ray diffraction. The results show that its structure can be described as a three-dimensional open framework of [Tb1.5Ta0.5(PO4)3]∞ interconnected by K+ ions. The TbIII and TaV cations in the structure are disordered and occupy the same crystallographic sites. The IR spectrum, the UV–Vis spectrum, the morphology and the Eu3+-activated photoluminescence spectroscopic properties were studied. A series of Eu3+-doped phosphors, i.e. K2Tb1.5–x Ta0.5(PO4)3:xEu3+ (x = 0.01, 0.03, 0.05, 0.07, 0.10), were prepared via a solid-state reaction and the photoluminescence properties were studied. The results show that under near-UV excitation, the luminescence colour can be tuned from green through yellow to red by simply adjusting the Eu3+ concentration from 0 to 0.1, because of the efficient Tb3+→Eu3+ energy-transfer mechanism.

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