Single molecule spectroscopy approach to energy migration in individual nanostructures - from conjugated polymers to molecular aggregates

DIPC Seminars

Speaker
I. Scheblyking, Lund University, Sweden
When
2012/05/23
14:00
Place
Donostia International Physics Center (DIPC). Paseo Manuel de Lardizabal, 4 (nearby the Facultad de Quimica), Donostia
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Single molecule spectroscopy approach to energy migration in individual nanostructures - from conjugated polymers to molecular aggregates Single molecule spectroscopy approach to energy migration in individual nanostructures - from conjugated polymers to molecular aggregates Ivan Scheblykin Chemical Physics, Lund University, Box 124, 22100 Lund, Sweden E-mail: ivan.scheblykin@chemphys.lu.se; www.chemphys.lu.se
 After 20 years of development single molecule spectroscopy has become a very popular technique in biophysics. Ability to detect fluorescence coming from just one chromophore makes it an ultimate analytical tool and also allows breaking diffraction limit in optical microscopy. Today methods based on single molecule detection are used more and more for the sake of material sciences. In my lecture I will concentrate on fluorescence microscopy techniques for monitoring of long-range energy migration in isolated luminescent nanoobjects. Besides the fluorescence blinking new emerging tools for energy transfer characterization such as 2- dimensional polarization imaging and optical super-resolution microscopy allowing direct visualization of energy transfer pathways at nano-scale will be discussed.