26 August 2015 Multi-beam pulsed laser deposition: new method of making nanocomposite coatings
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Huge number of new photonic devices, including light emitters, chemical sensors, and energy harvesters, etc. can be made of the nanocomposite coatings produced by the new multi-beam pulsed laser deposition (MB-PLD) process. We provide a short review of the conventional single-beam PLD method and explain why it is poorly suitable for making nanocomposite coatings. Then we describe the new MB-PLD process and system, particularly the multiple-beam matrix assisted pulsed laser evaporation (MB-MAPLE) version with laser beam scanning and plume direction control. The latter one is particularly designed to make organic (polymer) - inorganic functionalized nanocomposite coatings. Polymer film serves as a host for inorganic nanoparticles that add a specific functionality to the film. We analyze the properties of such coatings using the examples of poly(methyl methacrylate) (PMMA) films impregnated with the nanoparticles of rare-earth (RE) upconversion phosphors. They demonstrated the preservation of microcrystalline structure and bright upconversion emission in visible region of the phosphor nanoparticles after they were transferred in the polymer matrix during the MB-MAPLE process. The proposed technology has thus proven to serve its purpose: to make functionalized polymer nanocomposite coatings for a various potential applications.
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Abdalla M. Darwish, Abdalla M. Darwish, Simeon Wilson, Simeon Wilson, Ashely Blackwell, Ashely Blackwell, Keylantra Taylor, Keylantra Taylor, Sergey Sarkisov, Sergey Sarkisov, Darayas Patel, Darayas Patel, Paolo Mele, Paolo Mele, Brent Koplitz, Brent Koplitz, } "Multi-beam pulsed laser deposition: new method of making nanocomposite coatings", Proc. SPIE 9586, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX, 958605 (26 August 2015); doi: 10.1117/12.2214633; https://doi.org/10.1117/12.2214633

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