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Fall 2005 Seminar Series Nanoscience for Large-Area Devices Rolf Koenenkamp Gertrude-Rempfer-Professor of Physics Department of Physics Portland State University Portland, Oregon, USA Over the last years we have explored semiconductor deposition methods that allow an inexpensive nano-structuring and are, at the same time, suitable for large-area applications, such as solar cells, displays, and sensors. We found that for many semiconductor compounds electrodeposition offers useful low-temperature processes that can produce high-quality nano-materials in templated and unconfined growth regimes. Here we will give a comprehensive review on first successful results in the fabrication of a novel hetero-junction solar cell, a vertical nano-wire field-effect transistor and a nano-wire LED. While all of these devices are in an early development stage, their successful operation clearly indicates that nanoscience will have considerable positive impact in large-area applications. Future trends will also be discussed. Bio: Professor Koenenkamp has received his MS and PhD degrees from Tulane University in Physics. He served as a visiting Professor at Princeton as well as the Istituto Superior Technico, Lisbon, Portugal. In 1985, he started a company "Phoenicon GmbH", Semiconductor Testing Equipment Co., in Berlin, Germany. He has been at PSU since 2002. This NECP Seminar is jointly sponsored by the NECP program, by the CeNSE and the Departments of Electrical and Computer Engineering Tuesday, August 30, 2005 453F Anderson Tower University of Kentucky, Lexington, KY 11:00 am - 12:00 noon