ArticleNature communications2025
Revealing the excited-state mechanisms of the polymorphs of a hot exciton material.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Single-Atom Control of Aromaticity and Excited-State Dynamics in Endohedral Zirconium-Antimony Zintl Clusters.Angewandte Chemie (International ed. in English) · 2026Article
- Inclusion co-crystals based on Tröger's base molecular box for thermally activated delayed fluorescence.Nature communications · 2026Article
- Polymorph-Dependent Photophysics of Blue-Emitting Brominated Organic Crystals.ACS applied optical materials · 2026Article
- Controlling the fate of two triplet states: solid-state annihilator design for photon upconversion.Chemical science · 2026Review
- Crystallization of L-Cysteine in Heavy Water Induces Intrinsic Fluorescence.Angewandte Chemie (International ed. in English) · 2025Article
- Regulating the electronic structure of covalent organic frameworks via heterocyclic isomers for highly efficient photocatalytic HNature communications · 2025Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
As the investigation of high efficiency thermally activated delayed fluorescence (TADF) materials become more mature, regulating the emission properties for single organic luminescence molecules has gained increasing interest recently. Herein, the donor-acceptor compounds F-AQ comprised of fluorene and anthraquinone is reported, and it exhibits a polymorphism with muti-color emission and TADF from high-level intersystem crossing (hRISC). The photodynamics and excited-state transient species were studied by femtosecond transient absorption (fs-TA) spectroscopy. As a result, an unambiguous signal of through space charge transfer (TSCT) was observed in the fs-TA spectra of the crystal with the π-π interaction between the fluorene and anthraquinone groups, whereas the other amorphous solids and crystal only show a conventional deactivation pathway of hRISC-TADF. In this study, we successfully realize the direct observation of the morphism-dependent TSCT in a crystal, which provides the observations in solid-state ultrafast excited-state dynamics and deepens the insight into the design of potential mechanochromic materials and thermochromic utilization of the polymorphism of organic luminescence molecules.
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Registered trials
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