Abstract
The surface plasmon resonance properties of highly regular laser-induced periodic surface structures (HR-LIPSSs) on Si, functionalized with Au nanoparticles (NPs), were investigated. In particular, the spectral dependencies of polarized light reflectance at various angles of incidence were measured and discussed. It is found that the deposition of Au NPs on such periodically textured substrates leads to significant enhancement of the plasmon resonance properties, compared to that measured on planar ones. This effect can be used to improve the efficiency of localized-plasmon-resonance-based sensors.
Highlights
Many advanced optoelectronic devices contain periodically corrugated surface optical elements, i.e., phase diffraction gratings
In of thethe present work, we report the creation of NPs, optically resonant chemically bonded to the laser textured
Nanopatterned Silicon Substrates Decorated with Au NPs
Summary
Many advanced optoelectronic devices contain periodically corrugated surface optical elements, i.e., phase diffraction gratings. Most of the LIPPS fabrication methods reported to date lack the long-range ordered coverage required for large area applications, such as display technologies [22] and sensors [17], plasmonics [18], colorizing metals [19], wettability [20], and tribology [21]. For large area applications, suchregular as display technologies [22] and the via highadegree of periodicity demanded by photonics and photovoltaics were developed low-cost single-step maskless process and industrially applications accepted [23] This is due to the absence of a feedback mechanism capable of guaranteeing the translaspeed production [24]. We report the creation of optically resonant phoproduction [24] It is based on femtosecond laser superheating and ablation mechanism, tonic structures on.
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