Articles with "radiative decay" as a keyword



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Spectroscopic study of oscillator strength and radiative decay time of colloidal CdSe quantum dots

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Published in 2018 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-018-1375-6

Abstract: Characterization of samples of cadmium selenide quantum dots (CdSe) QDs dissolved in toluene colloidal solutions at a concentration of 1.4 mg/ml was carried out through UV–Vis absorption and photoluminescence (PL) spectroscopy. The size-dependent absorption and red-shifted… read more here.

Keywords: quantum; radiative decay; cdse; oscillator ... See more keywords
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Radiative decay of HeLi + (b 3 ∑ + )

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Published in 2018 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2017.11.001

Abstract: Abstract Radiative lifetimes of the ro-vibrational bound states of HeLi + ( b 3 ∑ + ) are calculated quantum-mechanically when both bound-bound and bound-free processes are taken into account. The calculations are restricted to… read more here.

Keywords: radiative lifetimes; radiative decay; quantum; decay heli ... See more keywords
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Theoretical investigation on the phosphorescence quantum yields of cyclometalated (C∧N*) Pt(II) (acac) complexes: The impact of the position of the BMes2 moiety on the radiative and nonradiative decay processes

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Published in 2017 at "Organic Electronics"

DOI: 10.1016/j.orgel.2017.09.004

Abstract: Abstract The radiative and non-radiative decay processes of four cyclometalated (C ∧ N*)Pt(II)(acac) complexes were investigated by using the density functional theory/time dependent density functional theory (DFT/TD-DFT) approach. In order to explore the influence of… read more here.

Keywords: cyclometalated acac; decay; radiative decay; non radiative ... See more keywords
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Customizing Radiative Decay Dynamics of Two-Dimensional Excitons via Position- and Polarization-Dependent Vacuum-Field Interference.

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Published in 2022 at "Nano letters"

DOI: 10.1021/acs.nanolett.2c04604

Abstract: Embodying bosonic and interactive characteristics in two-dimensional space, excitons in transition metal dichalcogenides (TMDCs) have garnered considerable attention. The utilization of the strong-correlation effects, long-range transport, and valley-dependent properties requires customizing exciton decay dynamics. Vacuum-field… read more here.

Keywords: radiative decay; two dimensional; decay; polarization ... See more keywords
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Impact of the Electronic Environment in Carbazole-Appended o-Carboranyl Compounds on the Intramolecular-Charge-Transfer-Based Radiative Decay Efficiency

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Published in 2021 at "Organometallics"

DOI: 10.1021/acs.organomet.1c00060

Abstract: The impact of the electronic effect of the carbazole group on the radiative decay process based on the intramolecular charge transfer (ICT) transition of closo-o-carborane was examined herein. Four... read more here.

Keywords: impact electronic; carbazole; intramolecular charge; radiative decay ... See more keywords
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BF2-Oxasmaragdyrin Nanoparticles: A Non-toxic, Photostable, Enhanced Non-radiative Decay-Assisted Efficient Photothermal Cancer Theragnostic Agent.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c13326

Abstract: Photothermal therapy (PTT), a simple and minimally invasive procedure, is an attractive option for cancer therapy. To date, inorganic agents have been widely employed as photothermal agents; however, organic molecules may provide a solution to… read more here.

Keywords: non toxic; bf2 oxasmaragdyrin; radiative decay; oxasmaragdyrin nanoparticles ... See more keywords
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Microscopic insight into non-radiative decay in perovskite semiconductors from temperature-dependent luminescence blinking

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Published in 2019 at "Nature Communications"

DOI: 10.1038/s41467-019-09640-w

Abstract: Organo-metal halide perovskites are promising solution-processed semiconductors, however, they possess diverse and largely not understood non-radiative mechanisms. Here, we resolve contributions of individual non-radiative recombination centers (quenchers) in nanocrystals of methylammonium lead iodide by studying… read more here.

Keywords: insight non; microscopic insight; radiative decay; decay perovskite ... See more keywords
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Possible nanoantenna control of chlorophyll dynamics for bioinspired photovoltaics

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Published in 2019 at "Scientific Reports"

DOI: 10.1038/s41598-019-43545-4

Abstract: In the context of using portions of a photosynthetic apparatus of green plants and photosynthesizing bacteria in bioinspired photovoltaic systems, we consider possible control of the chlorophyll excited state decay rate using nanoantennas in the… read more here.

Keywords: control chlorophyll; radiative decay; decay; possible nanoantenna ... See more keywords
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Suppressing non-radiative decay of photochromic organic molecular systems in the strong coupling regime

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Published in 2022 at "Physical Chemistry Chemical Physics"

DOI: 10.1039/d2cp00774f

Abstract: The lifetimes of electronic excited states have a strong influence on the efficiency of organic solar cells. However, in some molecular systems a given excited state lifetime is reduced due to the non-radiative decay through… read more here.

Keywords: radiative decay; meso tert; non radiative; molecular systems ... See more keywords
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W radiative decay to heavy-light mesons in HQET factorization through O(αs)

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Published in 2019 at "Physical Review D"

DOI: 10.1103/physrevd.100.054027

Abstract: Analogous to the non-relativistic Quantum Chromodynamics (NRQCD) factorization for heavy quarkonium exclusive production, in this work we propose to employ the heavy quark effective theory (HQET) factorization, which has been predominantly applied to account for… read more here.

Keywords: ensuremath; factorization; heavy light; decay heavy ... See more keywords
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Parametric Calculations of Radiative Decay Rates for Magnetic Dipole and Electric Quadrupole Transitions in Tm IV, Yb V, and Er IV

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Published in 2018 at "Atoms"

DOI: 10.3390/atoms6030052

Abstract: Semi-empirical transition probabilities for magnetic dipole (M1) and electric quadrupole (E2) emission lines have been derived from parametric studies of experimental energy levels in Tm3+ (Tm IV), Yb4+ (Yb V), and Er3+ (Er IV), using… read more here.

Keywords: calculations radiative; magnetic dipole; radiative decay; dipole electric ... See more keywords