ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2022
Ultralarge Stokes Shift Phosphorescence Artificial Harvesting Supramolecular System with Near-Infrared Emission.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2022. 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, 50 citations in OpenAlex.
- Triplet-to-singlet FRET (TS-FRET) in pure organic phosphors: emerging applications and new opportunities.Chemical science · 2025Review
- Recent progress in triplet energy transfer systems toward organic afterglow materials.Communications chemistry · 2025Review
- Host-guest binding between cucurbit[8]uril and amphiphilic peptides achieved tunable supramolecular aggregates for cancer diagnosis.Chemical science · 2024Article
- Multi-Step and Switchable Energy Transfer in Photoluminescent Organosilicone Capsules.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Phosphorescent acyclic cucurbituril solid supramolecular multicolour delayed fluorescence behaviour.Chemical science · 2024Article
- Cucurbit[8]uril Confinement-Based Secondary Coassembly for High-Efficiency Phosphorescence Energy Transfer Behavior.JACS Au · 2024Article
- Photo-triggered full-color circularly polarized luminescence based on photonic capsules for multilevel information encryption.Nature communications · 2023Article
- Ultralarge Stokes Shift Phosphorescence Artificial Harvesting Supramolecular System with Near-Infrared Emission.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
A two-step sequential phosphorescence harvesting system with ultralarge Stokes shift and near-infrared (NIR) emission at 825 nm is successfully constructed by racemic 1,2-diaminocyclohexan-derived 6-bromoisoquinoline (BQ), cucurbit[8]uril (CB[8]), and amphipathic sulfonatocalix[4]arene (SC4AD) via cascaded assembly strategy in aqueous solution. In virtue of the confinement effect of CB[8] with rigid cavity, BQ can generate an emerging phosphorescent emission at 555 nm. Subsequently, the binary BQ⊂CB[8] further assemblies with SC4AD to form close-packed spherical aggregate, which contributes to the dramatic enhancement of phosphorescence emission intensity ≈30 times with prolonged lifetime from 21.3 µs to 0.364 ms. Notably, the BQ⊂CB[8]@SC4AD assembly can serve as an energy donor to conduct stepwise phosphorescence harvesting process through successive introduction of primary acceptors, cyanine 5 (Cy5) or nile blue (NiB), and secondary acceptor, heptamethine cyanine (IR780). The final aggregate with remarkable ultralarge Stokes shift (≈525 nm) and long-lived NIR photoluminescence (PL) emission at 825 nm is further employed as imaging agent for NIR cell labeling.
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