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J Am Chem Soc. 2014 Dec 31;136(52):17910-3. doi: 10.1021/ja510048b. Epub 2014 Dec 19.

Transformable nanostructures of platinum-containing organosilane hybrids: non-covalent self-assembly of polyhedral oligomeric silsesquioxanes assisted by Pt···Pt and π-π stacking interactions of alkynylplatinum(II) terpyridine moieties.

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Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)), and Department of Chemistry, The University of Hong Kong Pokfulam Road, Hong Kong.


An alkynylplatinum(II) terpyridine complex functionalized with polyhedral oligomeric silsesquioxanes (POSS) moieties has been demonstrated to exhibit self-association behavior to give various distinguishable nanostructures with interesting morphological transformation from rings to rods in response to solvent conditions through the stabilization of Pt···Pt and π-π stacking interactions as well as hydrophobic-hydrophobic interactions. These changes can be systemically controlled by varying the solvent composition and have been studied by (1)H NMR, electron microscopy, UV-vis absorption, and emission spectroscopies.


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