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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202207331
|2 doi
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|a pubmed24n1157.xml
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|a (DE-627)NLM347260187
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|a (NLM)36210750
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Sun, Meng-Jia
|e verfasserin
|4 aut
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|a Activating Organic Phosphorescence via Heavy Metal-π Interaction Induced Intersystem Crossing
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.12.2022
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|a Date Revised 23.12.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Heavy-atom-containing clusters, nanocrystals, and other semiconductors can sensitize the triplet states of their surface-bonded chromophores, but the energy loss, such as nonradiative deactivation, often prevents the synergistic light emission in their solid-state coassemblies. Cocrystallization allows new combinations of molecules with complementary properties for achieving functionalities not available in single components. Here, the cocrystal formation that employs platinum(II) acetylacetonate (Pt(acac)2 ) as a triplet sensitizer and electron-deficient 1,4,5,8-naphthalene diimides (NDIs) as organic phosphors is reported. The hybrid cocrystals exhibit room-temperature phosphorescence confined in the low-lying, long-lived triplet state of NDIs with photoluminescence (PL) quantum yield (ΦPL ) exceeding 25% and a phosphorescence lifetime (τPh ) of 156 µs. This remarkable PL property benefits from the noncovalent electronic and spin-orbital coupling between the constituents
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|a Journal Article
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|a cocrystallization
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|a naphthalene diimide
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|a phosphorescence
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|a platinum complexes
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|a triplet sensitization
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1 |
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|a Anhalt, Olga
|e verfasserin
|4 aut
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|a Sárosi, Menyhárt B
|e verfasserin
|4 aut
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1 |
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|a Stolte, Matthias
|e verfasserin
|4 aut
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1 |
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|a Würthner, Frank
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 51 vom: 01. Dez., Seite e2207331
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:51
|g day:01
|g month:12
|g pages:e2207331
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|u http://dx.doi.org/10.1002/adma.202207331
|3 Volltext
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|d 34
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