Articles with "band absorption" as a keyword



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Analysis of infrared spectra with narrow band absorption by a graphene/square-ring structure

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Published in 2020 at "Science China Technological Sciences"

DOI: 10.1007/s11431-019-1496-2

Abstract: A graphene covered on square-ring structure is designed and fabricated to achieve narrow band absorption of three peaks in the infrared band. The absorption rates of graphene/square-ring structures calculated by simulation are 90.49%, 65.67% and… read more here.

Keywords: absorption; square ring; graphene; band absorption ... See more keywords
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Wavelength-selective porphyrin photodiodes via control of Soret- and Q-band absorption

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Published in 2021 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2021.109531

Abstract: Abstract Porphyrin-based photodiode materials have mainly been targeted to achieve panchromatic absorption by maximizing the Soret- and Q-band absorption; however, they have rarely been studied with the purpose to make them wavelength-selective in photodetecting devices.… read more here.

Keywords: soret band; porphyrin; band absorption; wavelength selective ... See more keywords
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Hot-Band Absorption of a Cationic RNA Probe Enables Visualization of ΔΨm via the Controllable Anti-Stokes Shift Emission.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c03785

Abstract: Mitochondrial membrane potential (ΔΨm) is an important biophysical parameter playing central roles in cell apoptosis, mitochondrial dysfunction, and other biological and pathological processes. Herein, we have rationally designed and fabricated a unique fluorescent probe for… read more here.

Keywords: hot band; emission; anti stokes; band absorption ... See more keywords
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Overcurrent Electrodeposition of Fractal Plasmonic Black Gold with Broad-Band Absorption Properties for Excitation-Immune SERS

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Published in 2020 at "ACS Omega"

DOI: 10.1021/acsomega.0c00698

Abstract: The dependence of plasmon resonance on the size, shape, and interparticle spacing of single, isolated nanostructures inherently limits their light-harvesting capability to a narrow spectral band. Here, we report a facile overcurrent electrodeposition strategy to… read more here.

Keywords: broad band; overcurrent electrodeposition; absorption properties; band ... See more keywords
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Hot-band absorption assisted single-photon frequency upconversion luminescent nanophotosensitizer for 808 nm light triggered photodynamic immunotherapy of cancer.

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Published in 2023 at "Biomaterials science"

DOI: 10.1039/d2bm01700h

Abstract: Frequency upconversion luminescence (FUCL) based on hot-band absorption has attracted considerable attention in bioimaging and phototherapy fields for deep-seated cancer treatment. Photoimmunotherapy, a promising therapeutic approach induced by photodynamic therapy (PDT), can selectively kill cancer… read more here.

Keywords: hot band; cancer; upconversion; band absorption ... See more keywords
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Hot-Band-Absorption-Induced Anti-Stokes Fluorescence of Aggregation-Induced Emission Dots and the Influence on the Nonlinear Optical Effect

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Published in 2021 at "Biosensors"

DOI: 10.3390/bios11110468

Abstract: Hot-band absorption (HBA)-induced anti-Stokes fluorescence (ASF) with longer-wavelength excitation is one effective pathway to deep penetration and low autofluorescence in intravital fluorescence imaging, raising demands for fluorophores with broad spectra, high absorption, and strong emission.… read more here.

Keywords: fluorescence; hot band; induced anti; band absorption ... See more keywords