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采用简便的“先核后壳”和“先壳后核”途径制备了M@SiO2 (M=Ag, Au, Pt)核壳结构.采用“先核后壳”途径时,金属内核可以控制在6 -9 nmm,粒径分布均匀,SiO2壳层织构可调.该途径制备过程简便,无需高速离心分离,可有效节约制备成本.由该途径制得的Au@mSiO2中纳米Au的热稳定性高 经550 ℃空气焙烧后仍能保持高的CO氧化性能(T100=235 ℃).由“先壳后核”途径制得...
The effects of platinum addition to gold and indium addition to a gold-platinum alloy on their optical propertieswere investigated using a computer-controlled spectrophotometer. Spectral reflectance d...
Optical Properties of Au-Pt-Pd-based High Noble Dental Alloys
Gold alloy dental alloy colour spectral reflectance
2009/7/28
The effects of the addition of various alloying elements
(In, Sn, Zn) of up to 4 mass % on the optical properties
of Au-Pt-Pd-based high noble dental alloys were
investigated by means of spectropho...
Wafer-Scale Controlled Au/Pt Bimetallic Flowerlike Structure Array
Structure Array Wafer-Scale
2009/7/28
The combining of the bottom-up with top-down
techniques is essential to construct novel micro-/
nano-materials according to the requirements of
its end applications. This paper describes a patternd...