Controlling Two-Photon Action Cross Section by Changing a Single Heteroatom Position in Fluorescent Dyes
The optimization of nonlinear optical properties for "real-life" applications remains a key challenge for both experimental and theoretical approaches. In particular, for two-photon processes, maximizing the two-photon action cross section (TPACS), the figure of merit for two-photon bioimaging spectroscopy, requires simultaneously controlling all its components. In the present Letter, a series of difluoroborates presenting various heterocyclic rings as an electron acceptor have been synthesized and their absorption, fluorescence, photoisomerization, and two-photon absorption features have been analyzed using both experimental and theoretical approaches. Our results demonstrate that the TPACS values can be fine-tuned by changing the position of a single heteroatom, which alters the fluorescence quantum yields without changing the intrinsic two-photon absorption cross section. This approach offers a new strategy for optimizing TPACS.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
The journal of physical chemistry letters - 11(2020), 15 vom: 06. Aug., Seite 5920-5925 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ośmiałowski, Borys [VerfasserIn] |
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| Links: |
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| Themen: |
2-methyltetrahydrofuran |
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| Anmerkungen: |
Date Completed 19.04.2021 Date Revised 19.04.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.jpclett.0c01438 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM312057202 |
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| 520 | |a The optimization of nonlinear optical properties for "real-life" applications remains a key challenge for both experimental and theoretical approaches. In particular, for two-photon processes, maximizing the two-photon action cross section (TPACS), the figure of merit for two-photon bioimaging spectroscopy, requires simultaneously controlling all its components. In the present Letter, a series of difluoroborates presenting various heterocyclic rings as an electron acceptor have been synthesized and their absorption, fluorescence, photoisomerization, and two-photon absorption features have been analyzed using both experimental and theoretical approaches. Our results demonstrate that the TPACS values can be fine-tuned by changing the position of a single heteroatom, which alters the fluorescence quantum yields without changing the intrinsic two-photon absorption cross section. This approach offers a new strategy for optimizing TPACS | ||
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| 700 | 1 | |a Grela, Izabela |e verfasserin |4 aut | |
| 700 | 1 | |a Bin Jassar, Mohammed A |e verfasserin |4 aut | |
| 700 | 1 | |a Nyk, Marcin |e verfasserin |4 aut | |
| 700 | 1 | |a Luis, Josep M |e verfasserin |4 aut | |
| 700 | 1 | |a Jędrzejewska, Beata |e verfasserin |4 aut | |
| 700 | 1 | |a Zaleśny, Robert |e verfasserin |4 aut | |
| 700 | 1 | |a Jacquemin, Denis |e verfasserin |4 aut | |
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