ArticleAngewandte Chemie (International ed. in English)2021
Controlling Intramolecular Förster Resonance Energy Transfer and Singlet Fission in a Subporphyrazine-Pentacene Conjugate by Solvent Polarity.
Article in Angewandte Chemie (International ed. in English), 2021. 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, 24 citations in OpenAlex.
- Azaporphyrinoid-Based Photo- and Electroactive Architectures for Advanced Functional Materials.Advanced materials (Deerfield Beach, Fla.) · 2026Review
- Exploiting singlet fission inChemical science · 2026Article
- Dual role of a conjugated bridge in intramolecular singlet fission: light-harvesting antenna and energy funnel.Chemical science · 2026Article
- Subporphyrazine scaffolds as emerging electron acceptors for long-lived charge separation.Chemical science · 2026Article
- From (Sub)Porphyrins to (Sub)Phthalocyanines: Aromaticity Signatures in the UV-Vis Absorption Spectra.Inorganic chemistry · 2024Article
- A Green-to-Near-Infrared Photoswitch Based on a Blended Subporphyrazine-Dithienylethene System.Organic letters · 2024Article
- Exploring the Association of Electron-Donating Corroles with Phthalocyanines as Electron Acceptors.Chemistry (Weinheim an der Bergstrasse, Germany) · 2022Article
- Controlling Intramolecular Förster Resonance Energy Transfer and Singlet Fission in a Subporphyrazine-Pentacene Conjugate by Solvent Polarity.Angewandte Chemie (International ed. in English) · 2021Article
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
Abstract
Due its complementary absorptions in the range of 450 and 600 nm, an energy-donating hexaaryl-subporphyrazine has been linked to a pentacene dimer, which acts primarily as an energy acceptor and secondarily as a singlet fission enabler. In the corresponding conjugate, efficient intramolecular Förster resonance energy transfer (i-FRET) is the modus operandi to transfer energy from the subporphyrazine to the pentacene dimer. Upon energy transfer, the pentacene dimer undergoes intramolecular singlet fission (i-SF), that is, converting the singlet excited state, via an intermediate state, into a pair of correlated triplet excited states. Solvatochromic fluorescence of the subporphyrazine is a key feature of this system and features a red-shift as large as 20 nm in polar media. Solvent is thus used to modulate spectral overlap between the fluorescence of subporphyrazine and absorption of the pentacene dimer, which controls the Förster rate constant, on one hand, and the triplet quantum yield, on the other hand. The optimum spectral overlap is realized in xylene, leading to Förster rate constant of 3.52×10
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