Articles with "triplet excited" as a keyword



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Kinetics and Mass Yields of Aqueous Secondary Organic Aerosol from Highly Substituted Phenols Reacting with a Triplet Excited State.

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Published in 2021 at "Environmental science & technology"

DOI: 10.1021/acs.est.1c00575

Abstract: Biomass burning emits large amounts of phenols, which can partition into cloud/fog drops and aerosol liquid water (ALW) and react to form aqueous secondary organic aerosol (aqSOA). Triplet excited states of organic compounds (3C*) are… read more here.

Keywords: substituted phenols; triplet; highly substituted; rate ... See more keywords
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Heteroleptic Ir(III)N6 Complexes with Long-Lived Triplet Excited States and in Vitro Photobiological Activities.

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Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.8b14744

Abstract: A series of cationic heteroleptic iridium(III) complexes bearing tris-diimine ligands [Ir(phen)2(R-phen)]3+ (R-phen = phenanthroline (1), 3,8-diphenylphenanthroline (2), 3,8-dipyrenylphenanthroline (3), 3-phenylphenanthroline (4), 3-pyrenylphenanthroline (5), and 3,8-diphenylethynylphenanthroline (6)) were synthesized and characterized. These complexes possessed phen ligand-localized… read more here.

Keywords: triplet excited; iii complexes; photobiological activities; excited states ... See more keywords
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Colloidal Quantum Dots as Photocatalysts for Triplet Excited State Reactions of Organic Molecules.

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Published in 2020 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.0c07421

Abstract: Triplet excited state chemistry has enabled a range of important organic transformations by accessing reaction pathways inaccessible to photoredox chemistry. Such photoreactions are triggered by triplet photosensitizers, which absorb visible-light photons and transfer the energy… read more here.

Keywords: excited state; chemistry; triplet; triplet excited ... See more keywords
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Conjugation-Modulated Excitonic Coupling Brightens Multiple Triplet Excited States

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Published in 2023 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c12320

Abstract: The design and regulation of multiple room-temperature phosphorescence (RTP) processes are formidably challenging due to the restrictions imposed by Kasha’s rule. Here, we report a general design principle for materials that show multiple RTP processes,… read more here.

Keywords: rtp processes; triplet excited; multiple rtp; triplet ... See more keywords
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sp3 C-H Arylation and Alkylation Enabled by the Synergy of Triplet Excited Ketones and Nickel Catalysts.

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Published in 2018 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.8b07405

Abstract: Triplet ketone sensitizers are of central importance within the realm of photochemical transformations. Although the radical-type character of triplet excited states of diaryl ketones suggests the viability for triggering hydrogen-atom transfer (HAT) and single-electron transfer… read more here.

Keywords: nickel catalysts; triplet; excited ketones; triplet excited ... See more keywords

Fluorene-decorated Ir(III) complexes: synthesis, photophysics and tunable triplet excited state properties in aggregation.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt01592g

Abstract: Two new heteroleptic cationic Ir(III) complexes bearing benzothiazole and pyridine motifs on fluorene groups were synthesized and characterized. Complexes Ir1 and Ir2 exhibit 1π,π* transitions below 430 nm, with broad but weak metal-to-ligand and ligand-to-ligand… read more here.

Keywords: ch3cn; triplet excited; iii complexes; iii ... See more keywords
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Triplet Excited States and Singlet Oxygen Production by Analogs of Red Wine Pyranoanthocyanins

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Published in 2019 at "Photochemistry and Photobiology"

DOI: 10.1111/php.12973

Abstract: During the maturation of red wines, the anthocyanins of grapes are transformed into pyranoanthocyanins, which possess a pyranoflavylium cation as their basic chromophore. Photophysical properties of the singlet and triplet excited states of a series… read more here.

Keywords: excited states; triplet; states singlet; singlet oxygen ... See more keywords