Facile Preparation of Mn-doped CeO2 Submicrorods by Composite-Hydroxide-Salt-Mediated Approach and Their Magnetic Property

被引：31
|
作者：
Tan, Jie [1 ]
Zhang, Wei [1 ]
Lv, Yao-Hui [1 ]
Xia, Ai-Lin [1 ]
机构：
[1] Anhui Univ Technol, Sch Mat Sci & Engn, Anhui Key Lab Met Mat & Proc, Maanshan 243002, Anhui, Peoples R China
来源：
MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS | 2013年 / 16卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Mn-CeO2; submicrorods; crystal growth; morphology; magnetic properties; PERFORMANCE; CATALYSTS; PARTICLES; BEHAVIOR; SHIFT; NO;
D O I：
10.1590/S1516-14392013005000040
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mn-CeO2 submicrorods have been obtained from anomalous CeO2 particles though a novel composite-hydroxide-salt-mediated (CHSM) approach. This method is based on a reaction between a metallic salt and a metallic oxide in a solution of composite-hydroxide-salt eutectic at similar to 225 degrees C and normal atmosphere without using an organic dispersant or capping agent. The magnetic measurement of the Mn-CeO2 submicrorods exhibits an enhanced ferromagnetic property at room temperature with a remanence magnetization (M-r) of 1.4 x 10(-3) emu.g(-1) and coercivity (H-c) of 75 Oe. The UV-visible spectra reveal that the absorption peak of the CeO2 shifts from ultraviolet region to visible light region after being doped with Mn ions. The room temperature ferromagnetic properties and light absorption of the Mn-CeO2 submicrorods would have wide applications in spintroics and photocatalysis field.
引用
收藏
页码：689 / 694
页数：6
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