NDLI: Metal-on-oxide nanoparticles produced using laser ablation of microparticle aerosols

Content Provider	Springer Nature Link
Author	Nahar, Manuj Gallardo, Ignacio F. Gleason, Kristofer L. Becker, Michael F. Keto, John W. Kovar, Desiderio
Copyright Year	2011
Abstract	A continuous aerosol process has been studied for producing nanoparticles of oxides that were decorated with smaller metallic nanoparticles and are free of organic stabilizers. To produce the oxide carrier nanoparticles, an aerosol of 3–6 μm oxide particles was ablated using a pulsed excimer laser. The resulting oxide nanoparticle aerosol was then mixed with 1.5–2.0 μm metallic particles and this mixed aerosol was exposed to the laser for a second time. The metallic micron-sized particles were ablated during this second exposure, and the resulting nanoparticles deposited on the surface of the oxide nanoparticles producing an aerosol of 10–60 nm oxide nanoparticles that were decorated with smaller 1–5 nm metallic nanoparticles. The metal and oxide nanoparticle sizes were varied by changing the laser fluence and gas type in the aerosol. The flexibility of this approach was demonstrated by producing metal-decorated oxide nanoparticles using two oxides, SiO$_{2}$ and TiO$_{2}$, and two metals, Au and Ag.
Starting Page	3455
Ending Page	3464
Page Count	10
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	13
Issue Number	8
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-02-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanoparticle Gold Titania Multiconsituent Laser ablation Aerosols Synthesis Inorganic Chemistry Optics, Optoelectronics, Plasmonics and Optical Devices Physical Chemistry Characterization and Evaluation of Materials Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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