ArticleChemistry (Weinheim an der Bergstrasse, Germany)2025
Excited-State Dynamics and Electron-Withdrawing Group Effects in Two-Photon Switchable Donor-Acceptor Stenhouse Adducts.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Excited-State Dynamics and Electron-Withdrawing Group Effects in Two-Photon Switchable Donor-Acceptor Stenhouse Adducts.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
Non-linear optical reactive systems have important applications which require highly localized effects. Recently, we reported for the first time that donor-acceptor Stenhouse adducts (DASAs) have important two-photon switching properties. Here, we report on the nature of the non-linear excitation event and the resulting dynamics through femtosecond-resolved measurements. From these experiments we directly show the central role of specific higher singlet states in the initial two-photon transition step. To test the generality of the involvement of such higher states, we synthesized new two-photon switchable DASAs with varying electron accepting groups. Specifically, we detected a rapid decaying emission from the initially formed higher singlets (S
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