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Issue 26, 2018
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Fabrication of single-chain nanoparticles through the dimerization of pendant anthracene groups via photochemical upconversion

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Abstract

We report on the use of visible light as the driving force for the intramolecular dimerization of pendant anthracene groups on a methacrylic polymer to induce the formation of single-chain nanoparticles (SCNPs). Using a 532 nm green laser light source and platinum octaethylporphyrin as a sensitizer, we first demonstrated the use of TTA-UC to dimerize monomeric anthracene, and subsequently applied this concept to dilute poly((methyl methacrylate)-stat-(anthracenyl methacrylate)) samples. A combination of triple-detection size-exclusion chromatography, atomic force microscopy, and UV-visible spectroscopy confirmed the formation of the SCNPs. This report pioneers the use of TTA-UC to drive photochemical reactions in polymeric systems, and showcases the potential for TTA-UC in the development of nanoobjects.

Graphical abstract: Fabrication of single-chain nanoparticles through the dimerization of pendant anthracene groups via photochemical upconversion

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Publication details

The article was received on 10 Apr 2018, accepted on 08 Jun 2018 and first published on 22 Jun 2018


Article type: Paper
DOI: 10.1039/C8DT01392F
Citation: Dalton Trans., 2018,47, 8663-8669
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    Fabrication of single-chain nanoparticles through the dimerization of pendant anthracene groups via photochemical upconversion

    T. Chidanguro, D. R. Blank, A. Garrett, C. M. Reese, J. M. Schekman, X. Yu, D. L. Patton, N. Ayres and Y. C. Simon, Dalton Trans., 2018, 47, 8663
    DOI: 10.1039/C8DT01392F

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