Synthesis and properties of magnetic iron oxide/platinum nanocomposites

被引：2
|
作者：
Serga, V. [1 ]
Maiorov, M. [2 ]
Kulikova, L. [1 ]
Krumina, A. [1 ]
Karashanova, D. [3 ]
机构：
[1] Riga Tech Univ, Inst Inorgan Chem, LV-2169 Salaspils, Latvia
[2] Univ Latvia, Inst Phys, LV-2169 Salaspils, Latvia
[3] Bulgarian Acad Sci, Inst Opt Mat & Technol, BU-1113 Sofia, Bulgaria
来源：
12TH RUSSIA/CIS/BALTIC/JAPAN SYMPOSIUM ON FERROELECTRICITY AND 9TH INTERNATIONAL CONFERENCE ON FUNCTIONAL MATERIALS AND NANOTECHNOLOGIES (RCBJSF-2014-FM&NT) | 2015年 / 77卷
关键词：
NANOPARTICLES; OXIDATION; CATALYSTS;
D O I：
10.1088/1757-899X/77/1/012014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Iron oxide/platinum nanocomposites have been synthesized by the extractive-pyrolytic method (EPM) involving gradual decomposition of iron capronate and n-trioctylammonium hexachloroplatinate initially produced by solvent extraction. The content of platinum in the composites was 1.2 wt%, 2.4 wt% and 4.8 wt%. Phase composition, morphology and magnetic properties of the produced materials were investigated. XRD analysis and magnetic measurements show that the magnetic phase (magnetite Fe3O4) dominates in a carrier sample produced by the pyrolysis of iron carboxylate, but hematite alpha-Fe2O3 exists there as an admixture. Referring to the TEM results, the produced composites contain ultra-disperse platinum particles on the carrier, and the mean size of these varies from 3 nm to 9 nm.
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页数：5
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