Title :
Spatially resolved characterization of gas - metallic nanoparticle interaction by energy loss spectroscopy in an environmental transmission electron microscope
Author :
Kohoutek, John M. ; Pin Ann Lin ; Winterstein, Jonathan ; Lezec, Henri ; Sharma, Ritu
Author_Institution :
Center for Nanoscale Sci. & Technol., Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA
Abstract :
We use an environmental transmission electron microscope to identify gas adsorption sites for various concentrations of hydrogen and carbon monoxide on Au nanoparticles by collecting electron energy-loss spectra. Experimental results are consistent with simulation.
Keywords :
electron energy loss spectra; gas sensors; nanoparticles; transmission electron microscopes; transmission electron microscopy; Au nanoparticles; carbon monoxide concentration; electron energy-loss spectra; energy loss spectroscopy; environmental transmission electron microscope; gas adsorption sites; gas-metallic nanoparticle interaction; hydrogen concentration; spatially resolved characterization; Energy loss; Energy resolution; Finite difference methods; Gold; Plasmons; Surface morphology; Time-domain analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
