Honors College Thesis
 

Investigate Novel Inkjet Printing of High Performance Silica-based Nanostructured Anti-Reflection Coatings

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https://ir.library.oregonstate.edu/concern/honors_college_theses/fn107094b

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  • Anti-reflective coatings are applied to substrates to increase the transmittance of light in the visible range of wavelength 400 – 800 nm through the substrate by changing the refractive index at the surface and directing more light through the substrate rather than being reflected away. This project investigated the possibility of applying a coating made from silica nanoparticles through an inkjet printer as opposed to dip-coating and spin-coating methods that are already used. Applying the coating from a printer will enable the ability to print directly onto items with various shapes like a phone screen and eye glasses and reduce glare on the screen or lens. A uniform coating onto glass and silicon wafer substrates was achievable. Experiments showed that print coating of solid and hollow silica films could increase the transmittance of light by 3% or more. The silica coating had moderate mechanical resistance that is a point for further improvement. The process of print coating the silica nanoparticles had a tendency to clog ink cartridges but cautious care eventually showed that this complication was avoidable. Print coating of anti-reflective silica nanoparticles is a feasible process.
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  • NSF I-Corps IIP‐1439485 and NSF STTR phase II award IIP 1230456.vii
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