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Creators/Authors contains: "Scheutz, Georg M"

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  1. ; ; ; ; ; ; ; (, Macromolecules)
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  2. ; ; ; ; ; ; ; (, ACS Macro Letters)
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  3. ; ; ; ; ; ; ; (, Polymer Chemistry)
    We describe the photoinduced intrachain crosslinking of coumarin-containing copolymers in various organic solvents. Analysis of copolymer solvation and comparison to a molecular coumarin derivative revealed solvophobicity-driven crosslinking kinetics and chain compaction that facilitated the synthesis of single-chain nanoparticles. 
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  4. ; ; ; ; ; (, Polymer Chemistry)
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    We describe a self-catalyzing photoredox polymerization system for the modular generation of macromolecular photocatalysts. Specifically, we designed a photoactive eosin Y-derived monomer that can induce photoelectron/energy transfer, while simultaneously partaking in reversible addition–fragmentation chain transfer polymerization as a monomer, affording polymer catalysts with tunable eosin Y incorporations. 
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  5. ; ; ; ; ; ; ; ; (, Polymer Chemistry)
    Polymerization-induced self-assembly (PISA) is a facile method to obtain block copolymer aggregates with defined morphologies. However, the transitions between these morphologies have been difficult to monitor directly in real-time during the polymerization. Herein, we describe a straightforward and readily accessible in situ method to monitor the evolution of nanostructure via changes in internal hydrophobicity during the PISA process using a polymer-tethered pyrene fluorescent probe. We were able to correlate morphological transitions with changes of the pyrene emission and gain unprecedented insight into the evolution of core hydrophobicity during PISA. 
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  6. ; ; ; (, ACS Applied Polymer Materials)
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  7. ; ; ; ; ; ; ; (, Macromolecules)
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  8. ; ; ; ; ; (, Organic & Biomolecular Chemistry)
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    We report the one-step synthesis of diversely substituted functional 1,2-dithiolanes by reacting readily accessible 1,3-bis- tert -butyl thioethers with bromine. The reaction proceeds to completion within minutes under mild conditions, presumably via a sulfonium-mediated ring closure. Using X-ray crystallography and UV-vis spectroscopy, we demonstrate how substituent size and ring substitution pattern can affect the geometry and photophysical properties of 1,2-dithiolanes. 
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  9. ; ; ; ; ; (, Macromolecules)
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  10. ; ; ; (, Journal of the American Chemical Society)
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