A TiO 2 nanocrystallite has been modified to selectively bind, by complementary hydrogen bonding, a uracil substrate incorporating a viologen moiety. Bandgap excitation of the self-assembled donor (TiO 2 nanocrystallite)−acceptor (viologen) complex results in electron transfer. Some implications of these findings for the self-assembly of functional nanostructures containing both condensed phase and molecular components are considered.
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Cusack et al. (1997) studied this question.
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