Bio‐Inspired Ultrathin Perfect Absorber for High‐Performance Photothermal Conversion
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202313366
Abstract: Ultrathin perfect absorber (UPA) enables efficient photothermal conversion (PC) in renewable chemical and energy systems. However, it is challenging so far to obtain efficient absorption with thickness significantly less than the wavelength, especially considering the… read more here.
Keywords: high performance; photothermal conversion; ultrathin perfect; perfect absorber ... See more keywords
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
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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