ArticleChemistry (Weinheim an der Bergstrasse, Germany)2022
Flexible Alkylene Bridges as a Tool To Engineer Crystal Distyrylbenzene Structures Enabling Highly Fluorescent Monomeric Emission.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 16 citations in OpenAlex.
- Development of 2,1,3-Benzothiadiazole-Based Room-Temperature Fluorescent Nematic Liquid Crystals.Molecules (Basel, Switzerland) · 2025Article
- Synthesis of Side-Chain Liquid Crystalline Polyacrylates with Bridged Stilbene Mesogens.Molecules (Basel, Switzerland) · 2024Article
- Flexible Alkylene Bridges as a Tool To Engineer Crystal Distyrylbenzene Structures Enabling Highly Fluorescent Monomeric Emission.Chemistry (Weinheim an der Bergstrasse, Germany) · 2022Article
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
Abstract
To design ultrabright fluorescent solid dyes, a crystal engineering strategy that enables monomeric emission by blocking intermolecular electronic interactions is required. We introduced propylene moieties to distyrylbenzene (DSB) as bridges between the phenyl rings either side of its C=C bonds. The bridged DSB derivatives formed compact crystals that emit colors similar to those of the same molecules in dilute solution, with high quantum yields. The introduction of flexible seven-membered rings to the DSB core produced moderate distortion and steric hindrance in the DSB π-plane. However, owing to this strategy, it was possible to control the molecular arrangement with almost no decrease in the crystal density, and intermolecular electronic interactions were suppressed. The bridged DSB crystal structure differs from other DSB derivative structures; thus, bridging affords access to novel crystalline systems. This design strategy has important implications in many fields and is more effective than the conventional photofunctional molecular crystal design strategies.
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