ArticleMolecules (Basel, Switzerland)2021
Achieving Molecular Fluorescent Conversion from Aggregation-Caused Quenching to Aggregation-Induced Emission by Positional Isomerization.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Gut Microbiota-Derived Extracellular Vesicles in Cancer: Friends or Foes?Probiotics and antimicrobial proteins · 2026Review
- Annona crassiflora seed extract modulates histological and molecular markers associated with prostate cancer progression in TRAMP mice.Journal of molecular histology · 2026Article
- Elasticity control of entangled chromosomes: Crosstalk between condensin complexes and nucleosomes.Biophysical journal · 2023Article
- Background-Quenched Aggregation-Induced Emission through Electrostatic Interactions for the Detection of Poly(ADP-ribose) Polymerase-1 Activity.Molecules (Basel, Switzerland) · 2023Article
- Tuning Photophysical Properties via Positional Isomerization of the Pyridine Ring in Donor-Acceptor-Structured Aggregation-Induced Emission Luminogens Based on Phenylmethylene Pyridineacetonitrile Derivatives.Molecules (Basel, Switzerland) · 2023Article
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13 authors.
Funding
Abstract
In this work, we synthesized a pair of positional isomers by attaching a small electron-donating pyrrolidinyl group at ortho- and para-positions of a conjugated core. These isomers exhibited totally different fluorescent properties. PDB2 exhibited obvious aggregation-induced emission properties. In contrast, PDB4 showed the traditional aggregation-caused quenching effect. Their different fluorescent properties were investigated by absorption spectroscopy, fluorescence spectroscopy, density functional theory calculations and single-crystal structural analysis. These results indicated that the substituent position of the pyrrolidinyl groups affects the twisted degree of the isomers, which further induces different molecular packing modes, thus resulting in different fluorescent properties of these two isomers. This molecular design concept provided a new accurate strategy for designing new aggregation-induced emission luminogens.
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