Articles with "vis absorption" as a keyword



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A study on optimum surfactant to multiwalled carbon nanotube ratio in alcoholic stable suspensions via UV–Vis absorption spectroscopy and zeta potential analysis

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2020.08.085

Abstract: Abstract Common ultrasonication and centrifugation techniques could be utilized for dispersion of carbon nanotubes in solvents. However, there are few studies investigating the effect of concentration of species on stability of surfactant modified suspensions focusing… read more here.

Keywords: absorption; carbon; zeta potential; vis absorption ... See more keywords
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Experimental and DFT study of UV–vis absorption spectra of azobenzene containing ester groups

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Published in 2021 at "Computational and Theoretical Chemistry"

DOI: 10.1016/j.comptc.2021.113244

Abstract: Abstract Here, we combined experimental measurements and DFT calculations to study UV-vis absorption spectra. DFT calculations of azobenzene and its derivatives proved useful for estimation of experimental spectra with near one-to-one correspondence. Calculation results show… read more here.

Keywords: vis absorption; study vis; dha dea; absorption ... See more keywords
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Quantum Mechanical/Molecular Mechanical Approach for the Simulation of UV-Vis Absorption Spectra of π-Conjugated Oligomers

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Published in 2021 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2021.117406

Abstract: Abstract It is crucial to understand the light absorption features and electronic structures of conjugated organic materials for their optoelectronic applications. However, neither reliable interpretations of reported ultraviolet-visible (UV-vis) absorption spectra nor correct predictions of… read more here.

Keywords: mechanical molecular; vis absorption; absorption; conjugated organic ... See more keywords
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Synthesis, characterization, UV–Vis absorption and cholinesterase inhibition properties of bis-indolyl imine ligand systems

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Published in 2020 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2020.128308

Abstract: Abstract A number of bis-indolyl imine helical structures has successfully been synthesized employing Schiff base reaction conditions starting from 4,6-dimethoxy-2,3-diphenylindole with different o-phenyl diamines as π-spacer bridged. The structures of targeted compounds were identified by… read more here.

Keywords: bis indolyl; vis absorption; spectroscopy; properties bis ... See more keywords
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Continuous multicomponent quantification during supercritical fluid extraction applied to microalgae using in-line UV/Vis absorption spectroscopy and on-line evaporative light scattering detection

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Published in 2018 at "Journal of Supercritical Fluids"

DOI: 10.1016/j.supflu.2017.09.014

Abstract: A quantitative methodology based on in-line UV/Vis absorption spectroscopy and on-line evaporative light scattering detection for supercritical fluid extraction is proposed. The method was applied to the extraction of carotenoids, chlorophyll A, ergosterol and total… read more here.

Keywords: extraction; line; vis absorption; spectroscopy ... See more keywords
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Application of UV-vis absorption spectrum to test the membrane integrity of Membrane bioreactor (MBR).

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Published in 2021 at "Water research"

DOI: 10.1016/j.watres.2021.117153

Abstract: In this work, UV-vis absorption spectrum of the membrane integrity analysis based on slopes of log-transformed absorbance spectra, differential absorbance spectroscopy (DAS), and absorption coefficient α(254) were studied at different number of breakage fibers and… read more here.

Keywords: absorption; absorption spectrum; membrane integrity; vis absorption ... See more keywords
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Doped Graphene Quantum Dots UV–vis Absorption Spectrum: A High-Throughput TDDFT Study

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c06091

Abstract: We report on time-dependent density functional theory calculations of the excited states of 63 different graphene quantum dots (GQDs) in square shape with side lengths of 1, 1.5, and 2 nm. We investigate the systematics… read more here.

Keywords: vis absorption; quantum dots; graphene quantum; spectrum ... See more keywords
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Comparative dataset of experimental and computational attributes of UV/vis absorption spectra

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Published in 2019 at "Scientific Data"

DOI: 10.1038/s41597-019-0306-0

Abstract: The ability to auto-generate databases of optical properties holds great prospects in data-driven materials discovery for optoelectronic applications. We present a cognate set of experimental and computational data that describes key features of optical absorption… read more here.

Keywords: absorption; absorption spectra; dataset experimental; vis absorption ... See more keywords
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Optical properties of folic acid in phosphate buffer solutions: the influence of pH and UV irradiation on the UV-VIS absorption spectra and photoluminescence

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Published in 2019 at "Scientific Reports"

DOI: 10.1038/s41598-019-50721-z

Abstract: Using UV-VIS absorption spectroscopy, photoluminescence (PL) and photoluminescence excitation (PLE), the photodegradation reactions of folic acid (FA) in phosphate buffer (PB) solutions were studied. Regardless of the PB solution’s pH, the UV-VIS spectra showed a… read more here.

Keywords: acid phosphate; folic acid; irradiation; vis absorption ... See more keywords