Articles with "annihilation upconversion" as a keyword



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Nanoencapsulated Phase-Change Materials: Versatile and Air-Tolerant Platforms for Triplet-Triplet Annihilation Upconversion.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c21080

Abstract: Efficient and long-term stable triplet-triplet annihilation upconversion (TTA-UC) can be achieved by effectively protecting the excited organic triplet ensembles from photoinduced oxygen quenching, and discovery of a new material platform that promotes TTA-UC in ambient… read more here.

Keywords: phase change; triplet annihilation; annihilation upconversion; phase ... See more keywords
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Nanoengineering Triplet-Triplet Annihilation Upconversion: From Materials to Real-World Applications.

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Published in 2023 at "ACS nano"

DOI: 10.1021/acsnano.3c00543

Abstract: Using light to control matter has captured the imagination of scientists for generations, as there is an abundance of photons at our disposal. Yet delivering photons beyond the surface to many photoresponsive systems has proven… read more here.

Keywords: triplet annihilation; triplet triplet; triplet; annihilation upconversion ... See more keywords
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Molecular Engineering of Chromophores to Enable Triplet-Triplet Annihilation Upconversion.

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

DOI: 10.1021/jacs.0c06386

Abstract: Triplet-triplet annihilation upconversion (TTA-UC) is an unconventional photophysical process that yields high-energy photons from low-energy incident light and offers pathways for innovation across many technologies, including solar energy harvesting, photochemistry, and optogenetics. Within aromatic organic… read more here.

Keywords: annihilation upconversion; triplet; triplet triplet; molecular engineering ... See more keywords
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Photophysical properties of palladium/platinum tetrasulfonyl phthalocyanines and their application in triplet–triplet annihilation upconversion

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Published in 2018 at "Journal of Materials Chemistry C"

DOI: 10.1039/c8tc00513c

Abstract: Triplet photosensitizers showing strong absorption in the red/deep red spectral region, high intersystem crossing, a long-lived triplet state and a high triplet state energy level are crucial for triplet–triplet annihilation upconversion. Herein we selected two… read more here.

Keywords: state; annihilation upconversion; triplet; triplet triplet ... See more keywords
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BODIPY-conjugated bis-terpyridine Ru(II) complexes showing ultra-long luminescence lifetimes and applications to triplet-triplet annihilation upconversion.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt01373h

Abstract: The poor excited-state properties of bis-terpyridine Ru(II) complexes have significantly limited the applications of these complexes as sensitizers in photocatalysis and triplet-triplet annihilation upconversion. In the present work, two novel ruthenium bis-terpyridine complexes (Ru-1 and… read more here.

Keywords: terpyridine complexes; terpyridine; triplet annihilation; annihilation upconversion ... See more keywords
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Controlling the durability and optical properties of triplet-triplet annihilation upconversion nanocapsules.

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Published in 2023 at "Nanoscale"

DOI: 10.1039/d3nr00067b

Abstract: Deep penetration of high energy photons by direct irradiation is often not feasible due to absorption and scattering losses, which are generally exacerbated as photon energy increases. Precise generation of high energy photons beneath a… read more here.

Keywords: high energy; energy; upconversion; triplet annihilation ... See more keywords
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Recent Advances in the Photoreactions Triggered by Porphyrin-Based Triplet–Triplet Annihilation Upconversion Systems: Molecular Innovations and Nanoarchitectonics

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Published in 2022 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms23148041

Abstract: Triplet–triplet annihilation upconversion (TTA-UC) is a very promising technology that could be used to convert low-energy photons to high-energy ones and has been proven to be of great value in various areas. Porphyrins have the… read more here.

Keywords: triplet annihilation; annihilation upconversion; porphyrin based; triplet triplet ... See more keywords