An efficient and deterministic photon management using deep subwavelength features
Sign Up to like & getrecommendations! Published in 2020 at "Nano Energy"
DOI: 10.1016/j.nanoen.2020.104521
Abstract: Abstract Light trapping and the broadband absorption of the solar radiation are significant to a plethora of absorption-based photonic devices. Specifically, efficient broadband absorption was recently demonstrated with arrays of subwavelength structures. The current study… read more here.
Keywords: absorption; light trapping; broadband absorption; efficient deterministic ... See more keywords
Opportunities for enhanced omnidirectional broadband absorption of the solar radiation using deep subwavelength structures
Sign Up to like & getrecommendations! Published in 2020 at "Nano Energy"
DOI: 10.1016/j.nanoen.2020.104553
Abstract: Abstract Omnidirectional absorption is important to non-tracking systems designed for the harvesting of solar energy. Presently, we examine both experimentally and numerically the broadband absorption under oblique illumination driven by deep sidewall subwavelength structures (DSSS)… read more here.
Keywords: absorption; broadband absorption; subwavelength structures; enhanced omnidirectional ... See more keywords
Dual-microcavity resonance and plasmon-cavity polaritons enhanced the broadband absorption of polymer-based organic solar cells by employing micro-nano composite gratings
Sign Up to like & getrecommendations! Published in 2020 at "Organic Electronics"
DOI: 10.1016/j.orgel.2019.105591
Abstract: Abstract A broadband-absorption enhancement in two kinds of polymer-based organic solar cells (OSCs) is demonstrated in this work by employing micro-nano composite gratings (MNCGs). The structure of MNCGs is nano-grating covering on the surface of… read more here.
Keywords: absorption; organic solar; broadband absorption; based organic ... See more keywords
Graphene oxide-ferrite hybrid framework as enhanced broadband absorption in gigahertz frequencies
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-48487-5
Abstract: The present investigation is focused on the in-situ synthesis of Graphene oxide (GO)-ferrite nanoparticle hybrid framework by gel-combustion method followed by fabrication of homogeneous, structurally stable thin (~100–120 μm) hybrid-polyurethane coating on a metallic aluminum… read more here.
Keywords: absorption; graphene oxide; broadband absorption; oxide ferrite ... See more keywords
Eumelanin broadband absorption develops from aggregation-modulated chromophore interactions under structural and redox control
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep41532
Abstract: Eumelanins, the chief photoprotective pigments in man and mammals, owe their black color to an unusual broadband absorption spectrum whose origin is still a conundrum. Excitonic effects from the interplay of geometric order and disorder… read more here.
Keywords: absorption; eumelanin broadband; absorption develops; broadband absorption ... See more keywords
Rapid design of broadband absorption metasurfaces for selective tailoring of infrared radiation characteristics
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ac128c
Abstract: Metasurfaces based on metal-dielectric-metal structures have been an effective means to comprehensively suppress infrared radiation. In this paper, we propose the idea of discretization to divide the circular resonator into countless rectangular elements and establish… read more here.
Keywords: absorption; rapid design; broadband absorption; infrared radiation ... See more keywords
Switchable terahertz absorber based on vanadium dioxide for bandwidth tunable broadband absorption and four-band absorption
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/acd7f7
Abstract: We propose a switchable metamaterial absorber (MMA) for bandwidth tunable broadband and four-band absorption in the terahertz (THz) band based on the phase-transition characteristics of vanadium dioxide (VO2). The proposed MMA can achieve over 90%… read more here.
Keywords: broadband absorption; four band; absorber; broadband ... See more keywords
Ready Access to Molecular Rotors Based on Boron Dipyrromethene Dyes-Coumarin Dyads Featuring Broadband Absorption
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25040781
Abstract: Herein we report on a straightforward access method for boron dipyrromethene dyes (BODIPYs)-coumarin hybrids linked through their respective 8- and 6- positions, with wide functionalization of the coumarin fragment, using salicylaldehyde as a versatile building… read more here.
Keywords: broadband absorption; boron dipyrromethene; dipyrromethene dyes; molecular rotors ... See more keywords
Design and Preparation of Flexible Graphene/Nonwoven Composites with Simultaneous Broadband Absorption and Stable Properties
Sign Up to like & getrecommendations! Published in 2023 at "Nanomaterials"
DOI: 10.3390/nano13040634
Abstract: As the world moves into the 21st century, the complex electromagnetic wave environment is receiving widespread attention due to its impact on human health, suggesting the critical importance of wearable absorbing materials. In this paper,… read more here.
Keywords: graphene; broadband absorption; electromagnetic wave; graphene nonwoven ... See more keywords
Broadband Absorption in Patterned Metal/Weakly-Absorbing-Spacer/Metal with Graded Photonic Super-Crystal
Sign Up to like & getrecommendations! Published in 2021 at "Photonics"
DOI: 10.3390/photonics8040114
Abstract: It is challenging to realize the complete broadband absorption of near-infrared in thin optical devices. In this paper, we studied high light absorption in two devices: a stack of Au-pattern/insulator/Au-film and a stack of Au-pattern/weakly-absorbing-material/Au-film… read more here.
Keywords: broadband absorption; photonic super; graded photonic; weakly absorbing ... See more keywords