Matrix Effect of Properties of Au, ZnO and Eu2O3: Silica, Titania and Alumina Matrices

IF 1.5 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
Carlos Díaz, O. Cifuentes-Vaca, M. Valenzuela
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引用次数: 0

Abstract

The composites Au/SiO2, Au/TiO2, Au/Al2O3, ZnO/TiO2, ZnO/TiO2, ZnO/Al2O3 and Eu2O3/SiO2, Eu2O3/TiO2 and Eu2O3/Al2O3 were prepared using a solid-state method. The effect of the polymer precursors was investigated using two precursor polymers, Chitosan and Poly(styrene-co-4vinylpyridine), (PS-co-4-PVP) in the M/MxLy•Chitosan//M’xO’y as well as M/MxLy•PS-co-4-PVP//M’xO’y with M’xO’y = SiO2, TiO2 and Al2O3. The effects on the particle size and morphology were observed. The new composites were characterized using X-ray powder diffraction, SEM-EDS mapping and HRTEM analysis. The distribution of the metallic nanoparticles as well as the metal oxide nanoparticles inside the matrices depend on the matrix. Marked optical and photocatalytic effects of the Au, ZnO and Eu2O3 inside the SiO2, TiO2 and Al2O3 matrices are expected. An experiment is in course.
Au, ZnO和Eu2O3:二氧化硅,二氧化钛和氧化铝基体性能的基体效应
采用固态法制备了Au/SiO2、Au/TiO2、Au/Al2O3、ZnO/TiO2、ZnO/TiO2、ZnO/Al2O3和Eu2O3/SiO2、Eu2O3/TiO2和Eu2O3/Al2O3复合材料。在M/MxLy•壳聚糖//M 'xO 'y和M/MxLy•PS-co-4-PVP//M 'xO 'y (M 'xO 'y = SiO2、TiO2和Al2O3)条件下,采用壳聚糖和聚苯乙烯-co-4-吡啶(PS-co-4-PVP)两种前驱体聚合物考察了前驱体对聚合物前驱体的影响。观察了其对颗粒大小和形貌的影响。利用x射线粉末衍射、SEM-EDS图谱和HRTEM分析对复合材料进行了表征。金属纳米粒子和金属氧化物纳米粒子在基体中的分布取决于基体。期望Au、ZnO和Eu2O3在SiO2、TiO2和Al2O3基体中具有显著的光学和光催化效应。一项实验正在进行中。
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来源期刊
Micro & Nano Letters
Micro & Nano Letters 工程技术-材料科学:综合
CiteScore
3.30
自引率
0.00%
发文量
58
审稿时长
2.8 months
期刊介绍: Micro & Nano Letters offers express online publication of short research papers containing the latest advances in miniature and ultraminiature structures and systems. With an average of six weeks to decision, and publication online in advance of each issue, Micro & Nano Letters offers a rapid route for the international dissemination of high quality research findings from both the micro and nano communities. Scope Micro & Nano Letters offers express online publication of short research papers containing the latest advances in micro and nano-scale science, engineering and technology, with at least one dimension ranging from micrometers to nanometers. Micro & Nano Letters offers readers high-quality original research from both the micro and nano communities, and the materials and devices communities. Bridging this gap between materials science and micro and nano-scale devices, Micro & Nano Letters addresses issues in the disciplines of engineering, physical, chemical, and biological science. It places particular emphasis on cross-disciplinary activities and applications. Typical topics include: Micro and nanostructures for the device communities MEMS and NEMS Modelling, simulation and realisation of micro and nanoscale structures, devices and systems, with comparisons to experimental data Synthesis and processing Micro and nano-photonics Molecular machines, circuits and self-assembly Organic and inorganic micro and nanostructures Micro and nano-fluidics
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