Timo Lebold, Lea A. Mühlstein, Julia Blechinger, Melanie Riederer, Heinz Amenitsch, Ralf Köhn, Kalina Peneva, Klaus Müllen, Jens Michaelis, Christoph Bräuchle and Thomas Bein Tuning Single-Molecule Dynamics in Functionalized Mesoporous Silica Chemistry - A European Journal 15
Diffusion of single molecules of a substituted terrylene diimide dye in functionalized mesoporous silica films was monitored by single-molecule fluorescence microscopy. By varying the chemical nature and density of the functional groups, the diffusion dynamics of the dye molecules can be controlled precisely. The picture shows a sketch of a dye molecule in a pore, diffusion data for different phenyl functionalization densities, and the trajectory of one molecule in a cyanopropyl-functionalized film.
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