ArticleThe journal of physical chemistry. C, Nanomaterials and interfaces2021
Efficient Free Triplet Generation Follows Singlet Fission in Diketo-pyrrolopyrrole Polymorphs with Goldilocks Coupling.
Article in The journal of physical chemistry. C, Nanomaterials and interfaces, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Controlling triplet-pair formation in acene-bridged trimers through locally excited-charge-transfer state mixing.Chemical science · 2026Article
- Polymorphic Structure Determination of the Macrocyclic Drug Paritaprevir by MicroED.Advanced biology · 2024Article
- Advances and applications of microcrystal electron diffraction (MicroED).Current opinion in structural biology · 2024Review
- Polymorphic Structure Determination of the Macrocyclic Drug Paritaprevir by MicroED.bioRxiv : the preprint server for biology · 2023Article
- Electron Diffraction of 3D Molecular Crystals.Chemical reviews · 2022Review
- Parallel triplet formation pathways in a singlet fission material.Nature communications · 2022Article
- Probing the electronic structure and photophysics of thiophene-diketopyrrolopyrrole derivatives in solution.Physical chemistry chemical physics : PCCP · 2022Article
Corrections and comments
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Authors and funding
16 authors.
Funding
Abstract
Microcrystal electron diffraction, grazing incidence wide-angle scattering, and UV-Vis spectroscopy were used to determine the unit cell structure and the relative composition of dimethylated diketopyrrolopyrrole (MeDPP) H- and J-polymorphs within thin films subjected to vapor solvent annealing (VSA) for different times. Electronic structure and excited state deactivation pathways of the different polymorphs were examined by transient absorption spectroscopy, conductive probe atomic force microscopy, and molecular modeling. We find VSA initially converts amorphous films into mixtures of H- and J-polymorphs and promotes further conversion from H to J with longer VSA times. Though both polymorphs exhibit efficient SF to form coupled triplets, free triplet yields are higher in J-polymorph films compared to mixed films because coupling in J-aggregates is lower, and, in turn, more favorable for triplet decoupling.
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Registered trials
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