Articles with "broadband" as a keyword



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Enhanced Solar-to-Hydrogen Generation with Broadband Epsilon-Near-Zero Nanostructured Photocatalysts.

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Published in 2017 at "Advanced materials"

DOI: 10.1002/adma.201701165

Abstract: The direct conversion of solar energy into fuels or feedstock is an attractive approach to address increasing demand of renewable energy sources. Photocatalytic systems relying on the direct photoexcitation of metals have been explored to… read more here.

Keywords: hydrogen; generation; broadband; epsilon near ... See more keywords
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Additively Manufactured Deformation-Recoverable and Broadband Sound-Absorbing Microlattice Inspired by the Concept of Traditional Perforated Panels.

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Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202104552

Abstract: Noise pollution is a highly detrimental daily health hazard. Sound absorbers, such as the traditionally used perforated panels, find widespread applications. Nonetheless, modern product designs call for material novelties with enhanced performance and multifunctionality. The… read more here.

Keywords: microlattice; perforated panels; deformation; sound ... See more keywords
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Achieving High Quantum Efficiency Broadband NIR Mg4Ta2O9:Cr3+ Phosphor Through Lithium‐Ion Compensation

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202300124

Abstract: Ultra‐efficient broadband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) are urgently needed to improve the detection sensitivity and spatial resolution of current smart NIR spectroscopy‐based techniques. Nonetheless, the performance of NIR pc‐LED has severely limited owing… read more here.

Keywords: phosphor; cr3; broadband; nir ... See more keywords
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Stretchable Broadband Plasmonic Photodetector Based on a Hybrid and Composite of Metal Nanoparticles and Organic Semiconductor

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Published in 2021 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202101128

Abstract: The development of stretchable broadband photodetectors for applications in wearable optoelectronics and personal healthcare still has some limitations in obtaining materials, designing device structures, and developing reliable fabrication processes. Here, stretchable broadband plasmonic photodetectors (SBPPDs)… read more here.

Keywords: broadband; plasmonic photodetector; stretchable broadband; pedot pss ... See more keywords
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Efficient Gap‐Free Broadband Terahertz Generators Based on New Organic Quinolinium Single Crystals

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201900953

Abstract: New organic electro‐optic crystals containing orthogonally oriented electron‐withdrawing groups are developed for efficient and gap‐free THz wave generation with a very flat broadband spectral shape. These crystals consist of 2‐(4‐hydroxystyryl)‐1‐methylquinolinium (OHQ) cationic chromophores and nonplanar… read more here.

Keywords: gap free; broadband; efficient gap; new organic ... See more keywords
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Achieving Broadband Spin‐Correlated Asymmetric Reflection Using a Circular Dichroitic Meta‐Mirror

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Published in 2021 at "Annalen der Physik"

DOI: 10.1002/andp.202000515

Abstract: Guiding electromagnetic waves carrying spin angular momentum is an important issue in both optical and microwave communities that thus has intrigued enormous interest in the past few decades. In particular, asymmetrical propagation is seriously considered… read more here.

Keywords: broadband; meta mirror; spin; spin correlated ... See more keywords
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Short‐time Thermal Oxidation of Ultrathin and Broadband Carbon Nitride for Efficient Photocatalytic H2 Generation

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Published in 2020 at "ChemCatChem"

DOI: 10.1002/cctc.201901533

Abstract: Broadband light absorption and excellent charge separation/migration efficiency are two important indicators for promising photocatalyst. However, realizing the above two aspects simultaneously is still a challenge. Here, an ultrathin and broadband carbon nitride (UBCN) is… read more here.

Keywords: ultrathin broadband; broadband carbon; short time; carbon nitride ... See more keywords
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Design and analysis of a broadband and miniaturized linear polarized converter based on non‐Foster metasurfaces

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32591

Abstract: A broadband highly efficient and miniaturized polarizing converter, employing non‐Foster metasurface composed of a single layer cut‐wire resonator is presented in microwave regime. Non‐Foster component are loaded to traditional dipole‐type linear polarized converter to further… read more here.

Keywords: polarized converter; converter; non foster; broadband ... See more keywords
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Polarization insensitive multilayered broadband absorber for L and S bands of the radar spectrum

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32716

Abstract: Designing a low frequency broadband absorber is a nontrivial task in terms of establishing a trade‐off between overall absorber thickness, wide absorption bandwidth, and miniaturized unit cell size. To address the issue, we propose a… read more here.

Keywords: broadband; radar spectrum; bands radar; broadband absorber ... See more keywords
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Ultra-Broadband Flexible Photodetector Based on Topological Crystalline Insulator SnTe with High Responsivity.

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Published in 2018 at "Small"

DOI: 10.1002/smll.201802598

Abstract: Topological crystalline insulators (TCIs) are predicted to be a promising candidate material for ultra-broadband photodetectors ranging from ultraviolet (UV) to terahertz (THz) due to its gapless surface state and narrow bulk bandgap. However, the low… read more here.

Keywords: high responsivity; topological crystalline; photodetector; responsivity ... See more keywords
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Plasmonic Nanoassemblies: Tentacles Beat Satellites for Boosting Broadband NIR Plasmon Coupling Providing a Novel Candidate for SERS and Photothermal Therapy.

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Published in 2020 at "Small"

DOI: 10.1002/smll.201906780

Abstract: Optical theranostic applications demand near-infrared (NIR) localized surface plasmon resonance (LSPR) and maximized electric field at nanosurfaces and nanojunctions, aiding diagnosis via Raman or optoacoustic imaging, and photothermal-based therapies. To this end, multiple permutations and… read more here.

Keywords: candidate; nanoassemblies tentacles; broadband; plasmon ... See more keywords