Articles with "tunable optical" as a keyword



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An Intrinsically Micro-/Nanostructured Pollen Substrate with Tunable Optical Properties for Optoelectronic Applications.

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Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202100566

Abstract: There is broad interest in developing photonically active substrates from naturally abundant, minimally processed materials that can help to overcome the environmental challenges of synthetic plastic substrates while also gaining inspiration from biological design principles.… read more here.

Keywords: optical properties; pollen substrate; substrate tunable; tunable optical ... See more keywords
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Widely Tunable Optical and Thermal Properties of Dirac Semimetal Cd3As2

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.201901192

Abstract: In this paper, a detailed analysis of the temperature‐dependent optical properties of epitaxially grown cadmium arsenide (Cd3As2), a newly discovered 3D Dirac semimetal is reported. Fermi level tuning—instigated from Pauli‐blocking in the linear Dirac cone—and… read more here.

Keywords: tunable optical; optical thermal; widely tunable; dirac semimetal ... See more keywords
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Tunable Optical Properties of 2D Materials and Their Applications

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202001313

Abstract: Recent efforts have been heavily devoted to the development of next‐generation optoelectronic devices based on 2D materials, due to their unique optical properties that are distinctly different from those of bulk counterparts. Given that the… read more here.

Keywords: tunable optical; properties materials; materials applications; optical properties ... See more keywords
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Lattice Mismatch-Induced Formation of Copper Nanoplates with Embedded Ultrasmall Platinum or Palladium Cores for Tunable Optical Properties.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202206838

Abstract: Although noble metal nanocrystals have been studied extensively in the past decades, the shape-controlled synthesis of non-noble metal nanocrystals has remained challenging with limited success, which is a grand obstacle to their wide applications. Herein,… read more here.

Keywords: lattice mismatch; mismatch; formation; seed ... See more keywords
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Tunable optical properties of Ni–Ag and Ni–Au nanoparticles in magneto-plasmonic nanostructures

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Published in 2020 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-020-02596-y

Abstract: The combined optical and magnetic properties of magneto-plasmonic nanoparticles makes them ideal candidates for various applications in biomedical fields. In the present work, the optical properties of Ni–Ag and Ni–Au bimetallic alloy nanoparticles with varying… read more here.

Keywords: absorption spectra; optical properties; magneto plasmonic; alloy nanoparticles ... See more keywords
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Tunable Optical Demultiplexer for Dense Wavelength Division Multiplexing Systems Using Graphene–Silicon Microring Resonators

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Published in 2020 at "Journal of Electronic Materials"

DOI: 10.1007/s11664-020-08522-y

Abstract: An ultracompact tunable optical dense wavelength division demultiplexer (DWDM) compatible with complementary metal–oxide–semiconductor technology is proposed, consisting of a central bus waveguide coupled to two drop waveguides through two ring resonators, all made of silicon… read more here.

Keywords: dense wavelength; demultiplexer; tunable optical; wavelength division ... See more keywords
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Tunable Optical Features of Graphene Quantum Dots from Edge Functionalization

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Published in 2021 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.1c00537

Abstract: Graphene quantum dots (GQDs) are promising semiconducting materials for practical applications. Chemical functionalization of GQD edges is a strategy to increase their solubility and processability... read more here.

Keywords: quantum dots; features graphene; optical features; functionalization ... See more keywords
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Broadband Tunable Optical Gain from Ecofriendly Semiconductor Quantum Dots with Near-Half-Exciton Threshold.

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Published in 2023 at "Nano letters"

DOI: 10.1021/acs.nanolett.3c00813

Abstract: Optical gain in solution-processable quantum dots (QDs) has attracted intense interest toward next-generation optoelectronics; however, the development of optical gain in heavy-metal-free QDs remains challenging. Herein, we reveal that the ZnSe1-xTex-based QDs show excellent optical… read more here.

Keywords: gain ecofriendly; quantum dots; gain; optical gain ... See more keywords
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Tunable Optical Molecular Thermometers Based on Metallacrowns.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c04821

Abstract: The effect of ligands' energy levels on thermal dependence of lanthanide emission was examined to create new molecular nanothermometers. A series of Ln2Ga8L8'L8″ metallacrowns (shorthand Ln2L8'), where Ln = Gd3+, Tb3+, or Sm3+ (H3L' =… read more here.

Keywords: energy levels; optical molecular; energy; acid ... See more keywords
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Self-assembly of near-unity helical Ce1−xMxO2 (x = 0.1, M = Ni and Bi) solid solutions with tunable optical activity

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Published in 2018 at "New Journal of Chemistry"

DOI: 10.1039/c7nj03996d

Abstract: Left-handed Ni/Bi modified Ce1−xMxO2 solid solutions were synthesized via a self-assembly process. The solutions show tunable optical activity throughout the whole UV–visible range. The negative Cotton effect observed in the UV–visible range is ascribed to… read more here.

Keywords: self assembly; xmxo2 solid; ce1 xmxo2; tunable optical ... See more keywords
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Tunable optical properties of transition metal dichalcogenide nanoparticles synthesized by femtosecond laser ablation and fragmentation

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Published in 2023 at "Journal of Materials Chemistry C"

DOI: 10.1039/d2tc05235k

Abstract: Manipulation of resonant dielectric nanostructures is of paramount importance for next-generation photonic devices. Traditionally, researchers use two-dimensional or phase-change materials for this purpose. However, the former leads to small efficiency,... read more here.

Keywords: transition metal; metal dichalcogenide; properties transition; dichalcogenide nanoparticles ... See more keywords