Journal
NANOMATERIALS
Volume 12, Issue 16, Pages -Publisher
MDPI
DOI: 10.3390/nano12162811
Keywords
nanocomposite films; nanogratings; TiO2; silver nanoparticles; surface plasmon polaritons; direct laser writing
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Funding
- RSF [21-79-10241]
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This article presents a high-speed single-step approach for fabricating highly ordered nanocomposite gratings and demonstrates their potential applications in optical and photovoltaic devices.
Optical nanogratings are widely used for different optical, photovoltaic, and sensing devices. However, fabrication methods of highly ordered gratings with the period around optical wavelength range are usually rather expensive and time consuming. In this article, we present high speed single-step approach for fabrication of highly ordered nanocomposite gratings with a period of less than 355 nm. For the purpose, we used commercially available nanosecond-pulsed fiber laser system operating at the wavelength of 355 nm. One-dimensional and two-dimensional nanostructures can be formed by direct laser treatment with different scan speed and intensity. These structures exhibit not only dispersing, but also anisotropic properties. The obtained results open perspectives for easier mass production of polarization splitters and filters, planar optics, and also for security labeling.
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