MgAl2O4:Eu3+ nanoplates and nanoparticles as red-emitting phosphors: Shape-controlled synthesis and photoluminescent properties

被引：18

作者：

Chen, Xiang Ying ^{[1
]}

Ma, Chao ^{[1
]}

Bao, Shi Ping ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Chem Engn, Anhui Key Lab Controllable Chem React & Mat Chem, Hefei 230009, Anhui, Peoples R China

来源：

SOLID STATE SCIENCES | 2010年 / 12卷 / 05期

关键词：

Phosphor; MgAl2O4; Hydrothermal; Photoluminescence; LAYERED DOUBLE HYDROXIDES; OXIDE ARCHITECTURES; HYDROTHERMAL ROUTE; PRECIPITATION; NANOCRYSTALS; PARTICLES; NANOWIRES; NANOTUBES; CHEMISTRY;

D O I：

10.1016/j.solidstatesciences.2010.02.004

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We demonstrate herein a facile hydrothermal synthesis followed by post-annealing approach to selectively prepare MgAl2O4:Eu3+ nanoplates and nanoparticles. Series of scientific techniques such as XRPD, FESEM, TEM, HRTEM, and PL were adopted to characterize the as-prepared MgAl2O4:Eu3+ phosphors. First, by altering the amount of hexamethylenetetramine (abbr. HMTA) in solution, MgAl2O4:Eu3+ nanoplates occurred. Next, MgAl2O4:Eu3+ nanoparticles were prepared by adding certain amounts of sodium citrate and sodium dodecylbenzenesulfonate (abbr. SDBS). In particular, the MgAl2O4:Eu3+ nanoplates have novel porous structures. Besides, the MgAl2O4:Eu3+ phosphors exhibit excellent red-emitting properties based upon the characteristic transitions of Eu3+ from D-5(0) --> F-7(J) = 0, 1, 2, 3, and 4). (C) 2010 Elsevier Masson SAS. All rights reserved.

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页码：857 / 863

页数：7

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