Organic semiconductors combine the ease of processing with interesting optical and electronic properties. The potential cost effective fabrication of large area devices has brought these materials into the focus of photovoltaic, illumination and large area display technologies. In this presentation the focus will be on lateral and vertical nanostructures for organic optoelectronic devices. The talk focuses on the application of organic semiconductors in devices such as low threshold photonic crystal lasers and multijunction solar cells. Fabricational strategies and the details of the underlying photo- and transport physics are discussed.

1. Laser diode pumped organic semiconductor lasers utilizing two-dimensional photonic crystal resonators, C. Karnutsch et al. IEEE Phot. Tech. Lett. 19, 741 (2007).
2. Nanosecond response of organic solar cells and photodetectors, N. Christ et al. J. Appl. Phys. 105, 104513 (2009)
3. Cathodes comprising highly conductive poly (3,4 ethylenedioxythiophene):poly(styrenesulfonate) for semi-transparent polymer solar cells, F. Nickel et al. Organic Electronics 11, 535 (2010)

Seminar, April 16, 2010, 12:00. Seminar Room

Hosted by Profs. Jordi Martorell and Valerio Pruneri