Abstract
In this paper, we report on a fast and cost-effective drop coating technique for the self-assembly of silica nano-spheres from a mono-dispersed colloidal suspension into close-packed monolayer (CMP) on hydrophilic single-crystal silicon substrate. The technique includes the self-assembly of silica nano-spheres on slanted silicon substrate and infrared irradiation during evaporation process of the coated droplet. The influence of the substrate slant angle and infrared irradiation on the formation of silica nano-sphere monolayer is investigated. This achievement is promising for various applications, such as a mask layer for nano-sphere lithography that is employed for producing fundamental elements in photonics, plasmonics, and solar cell.
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Minh, N.V., Hue, N.T., Lien, N.T.H. et al. Close-packed monolayer self-assembly of silica nanospheres assisted by infrared irradiation. Electron. Mater. Lett. 14, 64–69 (2018). https://doi.org/10.1007/s13391-017-6389-x
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DOI: https://doi.org/10.1007/s13391-017-6389-x