An in situ transmission electron microscopy study of sintering and redispersion phenomena over size-selected metal nanoparticles: environmental effects

2014 ◽  
Vol 16 (34) ◽  
pp. 18176-18184 ◽  
Author(s):  
Farzad Behafarid ◽  
Sudeep Pandey ◽  
Rosa E. Diaz ◽  
Eric A. Stach ◽  
Beatriz Roldan Cuenya
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Pt Nanoparticles ◽  
Microscopy Study ◽  
Electron Microscopy Study ◽  
Pure Oxygen ◽  
Pure Hydrogen ◽  
Transmission Electron ◽  
20 Nm

The thermal and chemical stability of micelle-synthesized size-selected Pt nanoparticles (NPs) supported on thin SiO2(20 nm) films was monitoredin situ viatransmission electron microscopy (TEM) under pure hydrogen and pure oxygen environments.

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