Laser Interactions in Nanomaterials Synthesis
Laser interactions with materials have unique advantages for exploring the rapid synthesis, processing, and in situ characterization of high-quality and novel nanoparticles, nanotubes, and nanowires. For example, laser vaporization of solids into background gases provides a wide range of processing conditions for the formation of nanomaterials by both catalyst-free and catalyst-assisted growth processes. Laser interactions with the growing nanomaterials provide remote in situ characterization of their size, structure, and composition with unprecedented temporal resolution. In this article, laser interactions involved primarily in the synthesis of carbon nanostructures are reviewed, from the catalyst-free synthesis of single-walled carbon nanohorns and quantum dots, to the catalyst-assisted growth of single- and multi-walled carbon nanotubes.
KeywordsVortex Ring Laser Vaporization Laser Interaction Plume Expansion Carbon Nanohorns
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The authors gratefully acknowledge support from the U.S. Dept. of Energy, Basic Energy Sciences Division of Materials Science and Engineering, for support of the synthesis science and the Scientific User Facilities Division for the development and support of the advanced characterization tools utilized in this work.
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