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  • Title: Efficient photosensitization of terbium ions enabled by hydrolysis of siloxy groups in ligands with specific side-chains.
    Author: Wang Q, Ogawa K, Li Y, Tamiaki H.
    Journal: Photochem Photobiol Sci; 2011 Jan; 10(1):60-5. PubMed ID: 20978660.
    Abstract:
    We have demonstrated the first observable case of efficient energy transfer from poly-ligands to terbium ions through cross-linked siloxane in solution. The intensification of green luminescence was easily perceived by the naked eye under UV-254 nm illumination, where even the terbium dopants reached 0.1 μM. Moreover, the nano-scale fibrous structure (diameter 100-200 nm) aggregated to a micro-meter size round plate (diameter 1.1 μm). In addition, compound 1 equipped with three long tetradecyl chains in gels gained more of an advantage over the doubly tetradecylated compounds 2 and 3 in terms of energy migration to terbium ions due to side chain effects.
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