Articles with "intersystem crossing" as a keyword



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Utilizing a Spiro TADF Moiety as a Functional Electron Donor in TADF Molecular Design toward Efficient “Multichannel” Reverse Intersystem Crossing

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201808088

Abstract: Designing thermally activated delayed fluorescence (TADF) materials with an efficient reverse intersystem crossing (RISC) process is regarded as the key to actualize efficient organic light‐emitting diodes (OLEDs) with low efficiency roll‐off. Herein, a novel molecular… read more here.

Keywords: intersystem crossing; reverse intersystem; tadf; efficiency ... See more keywords
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A theoretical research on intersystem crossing, radiative and nonradiative rates of cyclometalated platinum(II) complexes

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Published in 2019 at "Theoretical Chemistry Accounts"

DOI: 10.1007/s00214-019-2466-6

Abstract: A series of cyclometalated platinum(II) complexes with similar molecular structures but distinct phosphorescence quantum yields were investigated. To explore the intersystem crossing (ISC) and radiative decay processes, we investigated the absorption and phosphorescence properties, spin–orbit… read more here.

Keywords: intersystem crossing; platinum complexes; cyclometalated platinum; decay ... See more keywords
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Bodipy-squaraine triads: Preparation and study of the intramolecular energy transfer, charge separation and intersystem crossing

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Published in 2017 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2017.08.028

Abstract: Abstract Two triads ( BDP-SQ and Styryl-BDP-SQ ) were prepared with Bodipy, styrylBodipy and Squaraine ( SQ ) units. SQ shows unexpected efficient intersystem crossing (ISC. Φ T  = 50%), which is attributed to S 1… read more here.

Keywords: intersystem crossing; charge separation; energy transfer; transfer ... See more keywords
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Enhanced intersystem crossing to achieve long-lived excitons based on inhibited molecular motion and rigid structure

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Published in 2020 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2019.107886

Abstract: Abstract Two cyanyl-carboxylic derivatives (PYCZA and TPYCZA) have been designed and synthesized with flexible or rigid substituents, respectively. The persistent phosphorescence mechanism was studied through temperature-dependent Raman spectroscopy, and single/powder X-ray diffraction. The low temperature… read more here.

Keywords: enhanced intersystem; lived excitons; intersystem crossing; achieve long ... See more keywords
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Effect of molecular conformation on the efficiency of the spin orbital charge recombination-induced intersystem crossing in bianthryls

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Published in 2021 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2020.109121

Abstract: Abstract Two bianthryl dyads, with the two units connected at either the 2- or 9- positions of the anthryl moiety, were studied to establish the relationship between orientation of the anthryl moieties and the electronic… read more here.

Keywords: intersystem crossing; charge; geometry; effect molecular ... See more keywords
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Combustion chemistry of COS and occurrence of intersystem crossing

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Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2020.119257

Abstract: This contribution combines results of experiments with kinetic modelling to probe the unusual behaviour of carbonyl sulfide (COS), a sulfur species that frequently arises in fuel systems. The experiments identified CO and SO2 as the… read more here.

Keywords: oxidation; cos; intersystem crossing; chemistry ... See more keywords
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Ultrafast Intersystem Crossing and Structural Dynamics of [Pt(ppy)(μ-tBu2pz)]2.

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Published in 2020 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c00902

Abstract: Intersystem crossing (ISC) rates of transition-metal complexes are determined by the complex interplay of a molecule's electronic and structural dynamics. To broaden our understanding of these key factors, we investigate the case of the prototypical… read more here.

Keywords: state; dynamics ppy; intersystem crossing; structural dynamics ... See more keywords
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Excitation-Wavelength-Dependent and Auxiliary-Ligand-Tuned Intersystem-Crossing Efficiency in Cyclometalated Platinum(II) Complexes: Spectroscopic and Theoretical Studies.

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Published in 2020 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c01192

Abstract: Understanding the factors affecting the intersystem-crossing (ISC) rate constant (kISC) of transition-metal complexes is crucial to material design with tailored photophysical properties. Most of the works on ISC to date focused on the influence by… read more here.

Keywords: state; auxiliary ligand; intersystem crossing; efficiency ... See more keywords
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Internal conversion and intersystem crossing with the exact factorization.

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Published in 2020 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.0c00493

Abstract: We present a detailed derivation of the generalized coupled-trajectory mixed quantum-classical (G-CT-MQC) algorithm based on the exact factorization equations. The ultimate goal is to propose an algorithm that can be employed for molecular dynamics simulations… read more here.

Keywords: conversion intersystem; intersystem crossing; factorization; exact factorization ... See more keywords
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Triplet–Triplet Annihilation in 9,10-Diphenylanthracene Derivatives: The Role of Intersystem Crossing and Exciton Diffusion

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b01336

Abstract: Triplet–triplet annihilation (TTA) is an attractive way to boost the efficiency of conventional fluorescent organic light-emitting diodes (OLEDs). TTA-active anthracene derivatives are often considered as state-of-the-art emitters due to the proper energy level alignment. In… read more here.

Keywords: tta; intersystem crossing; triplet; triplet triplet ... See more keywords
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Broadband Visible Light Harvesting N^N Pt(II) Bisacetylide Complex with Bodipy and Naphthalene Diimide Ligands: Förster Resonance Energy Transfer and Intersystem Crossing

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b02188

Abstract: A N^N Pt(II) complex, Pt-1, with two heteroleptic ligands was prepared, which is a rarely reported molecular structure. The two different acetylide ligands, i.e., boron-dipyyromethane (BDP) and naphthalenediimide (NDI) chromophores, show strong absorption in the… read more here.

Keywords: resonance energy; intersystem crossing; energy transfer; state ... See more keywords