Crystal phase, morphology evolution and luminescence properties of Eu 3+ ‐doped BiPO 4 phosphor prepared by the hydrothermal method

Luminescence ◽  
2021 ◽  
Author(s):  
Dongyan Yu ◽  
Xingya Wu ◽  
Gongqin Yan ◽  
Jieliang Cao
2011 ◽  
Vol 418-420 ◽  
pp. 1752-1755
Author(s):  
Xun Ding ◽  
Yong Zhou ◽  
Zhao Xia ◽  
Hong Ri Liu

Nd3Fe5O12crystallites were prepared by a hydrothermal method using Nd(NO3)•6H2O Fe(NO3)•9H2O and Bi(NO3)3•5H2O as raw materials. XRD, SEM and PPMS were used to analyzed crystal phase, morphology and magnetism of the crystallites, respectively. XRD result showed that the crystallites present cubic garnet phase without impure phase; SEM result showed that the crystallites are composed of rhombic dodecahedron grains with a very even with size of 10 μm. Moreover, magnetism of the crystallites was studied. The crystallites present intense antiferromagnitsm.


2011 ◽  
Vol 415-417 ◽  
pp. 495-498 ◽  
Author(s):  
Yu Xia Sun ◽  
Hua Yu ◽  
Hong Ri Liu ◽  
Yong Zhou ◽  
Zhao Xia

Pr substituted Bi3Fe5O12crystallites were prepared by a hydrothermal method using Pr(NO3)•6H2O, Fe(NO3)•9H2O and Bi(NO3)3•5H2O as raw materials. XRD, SEM and PPMS were used to analyzed crystal phase, morphology and magnetism of the crystallites, respectively. XRD result showed that the Pr-substituted crystallites of different ratio present cubic garnet phase without impure phase; SEM result showed that morphology of the crystallites varies with the substitution ratio of Pr. Moreover, magnetism of the crystallites was studied. The crystallites present antiferromagnitsm.


2006 ◽  
Vol 24 (6) ◽  
pp. 757-760 ◽  
Author(s):  
Yang Kuisheng ◽  
Li Yan ◽  
Yu Chaoyi ◽  
Lu Liping ◽  
Ye Chanhua ◽  
...  

2012 ◽  
Vol 463-464 ◽  
pp. 112-118
Author(s):  
Feng Tao ◽  
Geng Zhu ◽  
Zhi Jun Wang ◽  
Feng Pan ◽  
Yu Feng Sun ◽  
...  

Abstract. Recently, there has been increasting interest in the doping of nano-/microcrystal hosts with Sm3+. However, very few examples of Sm3+doped YF3-based nanophosphors have been reported. In this paper, a variety of uniform YF3:Sm nano-/microcrystals have been successfully prepared by a facile, effective, and environmentally friendly hydrothermal method. The morphology evolution process has been investigated by quenching the reaction at different time. Based on the results, a possible growth mechanism is presented in detail. The as-obtained YF3:Sm nano-/microcrystals show strong yellow and red light emissions under room temperature, which is quite different from those reported previously and might find potential applications in fields such as light phosphor powers and advanced flat panel display devices.


Author(s):  
Zhengyang Zhang ◽  
Jinkai Li ◽  
Wenzhi Wang ◽  
Weilin Zhao ◽  
Zongming Liu

2018 ◽  
Vol 29 (17) ◽  
pp. 15068-15068
Author(s):  
Xiaohui Zhang ◽  
Haiming Zhang ◽  
Lijuan Wei ◽  
Yue Zhang ◽  
Biao Zhang

NANO ◽  
2018 ◽  
Vol 13 (08) ◽  
pp. 1850093 ◽  
Author(s):  
Shasha Gai ◽  
Jiqing Jiao ◽  
Wei Wei ◽  
Yao Li ◽  
Lihua Liu ◽  
...  

The well-defined NaGdF4:Yb,Er nanorods (NRs) with various aspect ratios were synthesized using a facile hydrothermal method. The morphology and crystal phase of NRs could be controlled by reaction conditions. NaGdF4:Yb,Er NRs with various aspect ratios could be synthesized and their upconversion (UC) luminescence was tuned. It is displayed that the NRs with aspect ratios about 5 exhibited the strongest UC luminescence among samples. The growth mechanism and morphology transition of NRs had been deduced by schematic diagram. And UC mechanism had been determined by energy level diagrams. Compared with previous reports, the work provided a facial method for UCNRs with various aspect ratios at lower temperature.


2019 ◽  
Vol 40 (9) ◽  
pp. 3644-3656 ◽  
Author(s):  
Yanyu Ding ◽  
Xinglong Yao ◽  
Chenchen Gong ◽  
Qifeng Chen ◽  
Baosheng Ren

CrystEngComm ◽  
2020 ◽  
Vol 22 (6) ◽  
pp. 1024-1031 ◽  
Author(s):  
Sai Huang ◽  
Zhenshu Fan ◽  
Qi Zhu ◽  
Xiaodong Li ◽  
Xudong Sun ◽  
...  

Cuboidal and octahedral (Y0.95Eu0.05)VO4 crystals were selectively converted from a tartrate coordination polymer, and the mechanisms of phase/morphology evolution were revealed via a series of controlled experiments.


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