ArticleChemical science2023
Synthesis and intramolecular singlet fission properties of
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 4 papers.
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Who cites it
4 citing papers in PubMed.
- An Energy-Gradient Strategy for Triplet-Pair Separation in Singlet-Fission Oligomers.Journal of the American Chemical Society · 2026Article
- A Vibronic Coupling Model to Study the Nonadiabatic Dynamics of Polyenes.The journal of physical chemistry. A · 2026Article
- Designing for Dispersibility: How Crystallinity and Solubilizing Groups Affect Quantum Dot Dispersion in Diphenylhexatriene Matrices.Nano letters · 2026Article
- The Interplay of Strongly and Weakly Exchange-Coupled Triplet Pairs in Intramolecular Singlet Fission.Journal of the American Chemical Society · 2024Article
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Authors and funding
9 authors.
Funding
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Abstract
In molecular dimers that undergo intramolecular singlet fission (iSF), efficient iSF is typically accompanied by triplet pair annihilation at rates which prohibit effective triplet harvesting. Collisional triplet pair separation and intramolecular separation by hopping to additional sites in extended oligomers are both strategies that have been reported to be effective for acene based iSF materials in the literature. Herein, a family of highly soluble diphenylhexatriene (DPH) oligomers were synthesized and investigated using transient absorption spectroscopy to determine whether these approaches can be applied to the non-acene singlet fission chromophore, DPH. While iSF proceeds rapidly for all three new materials, neither concentration nor oligomer size result in significantly enhanced triplet pair lifetime relative to the dilute dimer case. These null results indicate the fallibility of the collisional separation and oligomerisation strategies.
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Registered trials
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