نتایج جستجو برای: nanohole arrays
تعداد نتایج: 52213 فیلتر نتایج به سال:
Chiral plasmonic nanostructures with tunable handedness-dependent absorption in the visible and infrared offer chiro-optical control at nanoscale. Moreover, coupling them emitting layers could lead to chiral nanosources, important for nanophotonic circuits. Here, we propose elliptical nanohole arrays (ENHA) circularly dependent near-infrared emission. We first investigate broadband behavior an ...
Structural Evolution During Formation and Filling of Self-patterned Nanoholes on GaAs (100) Surfaces
Nanohole formation on an AlAs/GaAs superlattice gives insight to both the "drilling" effect of Ga droplets on AlAs as compared to GaAs and the hole-filling process. The shape and depth of the nanoholes formed on GaAs (100) substrates has been studied by the cross-section transmission electron microscopy. The Ga droplets "drill" through the AlAs layer at a much slower rate than through GaAs due ...
The processes that generate current in organic photovoltaics (OPVs) are highly dependent on the micro-and nano-structure of the devices, especially at the donor-acceptor (D-A) interface. Light trapping strategies have been proposed to tailor absorption of incident sunlight and generate more photocurrent at the D-A interface. Recent studies have reported the use of a range of plasmonic nanostruc...
Attractive label-free plasmonic optical fiber sensors can be developed by cleverly choosing the arrangement of nanostructures and other building blocks. Here, final response depends very much on alignment position (stacking) individual elements. In this work, three different types optic sensing geometries fabricated simple layer-by-layer stacking are presented, consisting stimulus-sensitive pol...
A chemical route to periodic hole arrays in gold films whose holes are loaded with single gold nanoparticles is presented, paving the road to mass production of highly sensitive plasmonic sensors on large areas.
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