Plasmonic Broadband Perfect Absorber for Visible Light Solar Cells Application
Sign Up to like & getrecommendations! Published in 2019 at "Plasmonics"
DOI: 10.1007/s11468-019-01087-5
Abstract: Solar radiation is mainly concentrated in visible light region (50%), to achieve the perfect absorption of this spectral band is significant for many energy-related fields include solar cells, hot-electron devices, and perfect cloaking. In this… read more here.
Keywords: absorption; visible light; perfect absorber; absorber ... See more keywords
An infrared narrow-band plasmonic perfect absorber as a sensor
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2019.02.078
Abstract: Abstract In this paper, we propose a nanoscale Infrared Plasmonic Perfect Absorber (IPPA) based on Metal-Insulator-Metal (MIM) structure with two different nano- apertures in the upper metal layer for sensing the refractive index of liquids… read more here.
Keywords: perfect absorber; plasmonic perfect; peak; narrow band ... See more keywords
Ultra-broadband and wide-angle perfect absorber based on composite metal–semiconductor grating
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.07.085
Abstract: Abstract In this letter, we present an ultra-broadband and wide-angle perfect absorber based on composite Ge–Ni grating. Near perfect absorption above 90% is achieved in a wide frequency range from 150 nm to 4200 nm,… read more here.
Keywords: angle; wide angle; ultra broadband; perfect absorber ... See more keywords
Design of a metasurface-based dual-band Terahertz perfect absorber with very high Q-factors for sensing applications
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.02.013
Abstract: Abstract We report on a novel very high Q -factor dual-band Terahertz perfect absorber composed of a metasurface located on top of a flexible polyimide spacer deposited on a silver ground layer. The metasurface is… read more here.
Keywords: dual band; band terahertz; perfect absorber; metasurface ... See more keywords
Design of narrowband perfect absorber for enhancing photoluminescence in atomically thin WSe2
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.124443
Abstract: Abstract Based on the Fabry–Perot (FP) resonance and guide resonance, the perfect absorber with the cross-bar nanostructure is designed for enhancing photoluminescence in atomically thin WSe2. The absorption of monolayer WSe2 could reach 89.4% with… read more here.
Keywords: perfect absorber; wse2; enhancing photoluminescence; photoluminescence ... See more keywords
High sensitivity refractive index and temperature sensor based on semiconductor metamaterial perfect absorber in the terahertz band
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125411
Abstract: Abstract We propose theoretically and numerically a highly sensitive refractive index and temperature sensor based on semiconductor metamaterials in the terahertz range. We demonstrate that the metamaterial sensor is a perfect absorber which absorption rate… read more here.
Keywords: sensor; temperature sensor; perfect absorber; refractive index ... See more keywords
Visible frequency plasmonic perfect absorber made of a thin metal layer containing cylindrical grooves
Sign Up to like & getrecommendations! Published in 2018 at "Photonics and Nanostructures - Fundamentals and Applications"
DOI: 10.1016/j.photonics.2018.06.005
Abstract: Abstract In this communication, a visible frequency plasmonic perfect absorber (PPA) made of a thin metal layer (gold and aluminum) with an array of cylindrical grooves is demonstrated and studied numerically using the finite difference… read more here.
Keywords: visible frequency; plasmonic perfect; made thin; perfect absorber ... See more keywords
A perfect absorber design using a natural hyperbolic material for harvesting solar energy
Sign Up to like & getrecommendations! Published in 2018 at "Solar Energy"
DOI: 10.1016/j.solener.2017.11.002
Abstract: Abstract A perfect absorber design is proposed here that uses a periodic array of pyramidal nanostructures, made from a natural hyperbolic material bismuth telluride (Bi2Te3) on a substrate. A numerical study is carried out to… read more here.
Keywords: energy; perfect absorber; hyperbolic material; absorber design ... See more keywords
A broadband and polarization-independent metasurface perfect absorber for hot-electron photoconversion.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d2nr04663f
Abstract: We report an ultra-broadband metasurface perfect absorber from the UV to NIR region based on TiN nanostructures. A polarization-independent experimental average absorption of 0.900 (0.921 in simulation) at the wavelength band from 300 nm to… read more here.
Keywords: polarization independent; hot electron; broadband; metasurface perfect ... See more keywords
Multiband-switchability and high-absorptivity of a metamaterial perfect absorber based on a plasmonic resonant structure in the near-infrared region
Sign Up to like & getrecommendations! Published in 2022 at "RSC Advances"
DOI: 10.1039/d2ra05617h
Abstract: Metamaterials are widely studied in bio-photonics because of their flexible and tunable resonance wavelengths in the near-infrared region and their particular relevance to biological tissues. In this paper, we propose for the first time a… read more here.
Keywords: infrared region; near infrared; absorber; perfect absorber ... See more keywords
Tunable near-infrared perfect absorber based on the hybridization of phase-change material and nanocross-shaped resonators
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5063481
Abstract: Ge2Sb2Te5 (GST) is a kind of non-volatile chalcogenide phase-change material, which has a significant difference in permittivity between its amorphous and crystalline states in the infrared range. On account of this remarkable property, the combination… read more here.
Keywords: phase change; layer; perfect absorber; gst ... See more keywords