Atmospheric Pressure Scanning Transmission Electron Microscopy

Scanning transmission electron microscope (STEM) images of gold nanoparticles at atmospheric pressure have been recorded through a 0.36 mm thick mixture of CO, O2, and He. This was accomplished using a reaction cell consisting of two electron-transparent silicon nitride membranes. Gold nanoparticles...

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Veröffentlicht in:	Nano Letters 2010-03, Vol.10 (3), p.1028-1031
Hauptverfasser:	de Jonge, Niels, Bigelow, Wilbur C, Veith, Gabriel M
Format:	Artikel
Sprache:	eng
Schlagworte:	ATMOSPHERIC PRESSURE Computer Simulation Cross-disciplinary physics: materials science rheology DESIGN ELECTRON MICROSCOPES Exact sciences and technology GOLD Gold - chemistry INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY Materials science Microscopy, Electron, Scanning Transmission - methods Models, Chemical Nanocrystalline materials Nanoparticles - chemistry Nanoparticles - ultrastructure Nanoscale materials and structures: fabrication and characterization Physics RESOLUTION SAMPLE HOLDERS SCANNING ELECTRON MICROSCOPY TRANSMISSION ELECTRON MICROSCOPY
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Beschreibung
Zusammenfassung:	Scanning transmission electron microscope (STEM) images of gold nanoparticles at atmospheric pressure have been recorded through a 0.36 mm thick mixture of CO, O2, and He. This was accomplished using a reaction cell consisting of two electron-transparent silicon nitride membranes. Gold nanoparticles of a full width at half-maximum diameter of 1.0 nm were visible above the background noise, and the achieved edge resolution was 0.4 nm in accordance with calculations of the beam broadening.
ISSN:	1530-6984 1530-6992
DOI:	10.1021/nl904254g