ArticleChemical science2023
Isoacridone dyes with parallel reactivity from both singlet and triplet excited states for biphotonic catalysis and upconversion.
Article in Chemical science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Oxidative Generation and Reactivity of the Cyclopropyl Radical From a Martin Silicate.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
- Photophysics of Doubly Reduced Quinacridone Dyes: Toward Redox Reactivity Activated by Red Light.Artificial photosynthesis (Washington, D.C.) · 2026Article
- Controlling Near-Infrared Fluorescence-to-Phosphorescence Ratios and Triplet Lifetimes in Rhodium(I) Dimers via Primary and Secondary Coordination Sphere Effects.Angewandte Chemie (International ed. in English) · 2026Article
- Breaking Kasha's Rule to Enable Higher Reactivity in Photoredox Catalysis.Journal of the American Chemical Society · 2025Article
- Excited Organic Radicals in Photoredox Catalysis.JACS Au · 2025Review
- Catalytic asymmetric [4 + 2] dearomative photocycloadditions of anthracene and its derivatives with alkenylazaarenes.Nature communications · 2024Article
- Lessons learnt in photocatalysis - the influence of solvent polarity and the photostability of the photocatalyst.Chemical science · 2024Article
- Mechanistic investigations of polyaza[7]helicene in photoredox and energy transfer catalysis.Beilstein journal of organic chemistry · 2024Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Metal-based photosensitizers commonly undergo quantitative intersystem crossing into photoactive triplet excited states. In contrast, organic photosensitizers often feature weak spin-orbit coupling and low intersystem crossing efficiencies, leading to photoactive singlet excited states. By modifying the well-known acridinium dyes, we obtained a new family of organic photocatalysts, the isoacridones, in which both singlet- and triplet-excited states are simultaneously photoactive. These new isoacridone dyes are synthetically readily accessible and show intersystem crossing efficiencies of up to 52%, forming microsecond-lived triplet excited states (T
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