Open-air spray plasma deposited UV-absorbing nanocomposite coatings

Nanoscale
Yichuan DingReinhold H Dauskardt

Abstract

We demonstrate the deposition of mechanically robust UV-absorbing nanocomposite coatings with a newly developed dual-source deposition method involving ultrasonic spraying and open-air plasma deposition. Nanoparticles and the coating matrix are independently deposited which eliminates difficulties associated with preparing composites with high mass fraction of well-dispersed nanoparticles in the matrix. Nanocomposite coatings containing different concentrations of silica, ceria, and both titania and ceria nanoparticles were successfully deposited with good nanoparticle dispersity, high transparency over the visible range, effective absorption in the UV wavelength, and enhanced mechanical properties. Moreover, films were successfully deposited on several substrates including polycarbonate to demonstrate the low processing temperature of this dual-source deposition method. Coatings with different nanoparticle concentrations and film thicknesses were systematically studied in terms of their surface morphology, optical properties and mechanical properties. Accelerated photostability testing of the UV-absorbing nanocomposites demonstrates significantly enhanced performance compared to existing coatings with either a polymeric matrix...Continue Reading

References

Mar 2, 2005·Nature Reviews. Cancer·Mauro Ferrari
Feb 23, 2010·Chemical Reviews·Aicheng Chen, Peter Holt-Hindle
Aug 15, 2013·ACS Applied Materials & Interfaces·Linying CuiReinhold H Dauskardt
Jul 21, 2015·ACS Applied Materials & Interfaces·Siming DongReinhold H Dauskardt
Feb 9, 2016·Soft Matter·Liping ChenHaojun Liang
Apr 8, 2017·Journal of the American Chemical Society·Long LuoRichard M Crooks
Nov 4, 2017·Journal of the American Chemical Society·Jamie A TrindellRichard M Crooks

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Citations

May 15, 2020·ACS Applied Materials & Interfaces·Oliver ZhaoReinhold H Dauskardt

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Methods Mentioned

BETA
dynamic light scattering
AFM
light scattering
X-ray

Software Mentioned

Modtran

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