Detection of Ambient Oxidation of Ultrasmall Supported Platinum Nanoparticles with Benchtop Powder X-Ray Diffraction

被引：28
|
作者：
Banerjee, Ritubarna [1 ]
Liu, Qiuli [1 ]
Tengco, John Meynard Macasero [1 ]
Regalbuto, John R. [1 ]
机构：
[1] Univ South Carolina, Dept Chem Engn, Columbia, SC 29208 USA
来源：
CATALYSIS LETTERS | 2017年 / 147卷 / 07期
关键词：
XRD; Spontaneous oxidation; Point of zero charge; Strong electrostatic adsorption; High resolution transmission electron microscopy; Fast Fourier transform; MEMBRANE FUEL-CELL; METHANOL OXIDATION; CATALYSTS; CARBON; OXIDES; SCATTERING;
D O I：
10.1007/s10562-017-2060-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The ability of a benchtop powder X-ray diffractometer with a solid state detector to observe the ambient oxidation of ultrasmall (sub 2.5 nm) Pt particles, previously seen only with synchrotron XRD, is demonstrated. The oxidation is corroborated with STEM imaging and fast Fourier transform analysis.
引用
收藏
页码：1754 / 1764
页数：11
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