Event Details

Uli Lemmer Seminar

April 21 @ 9:30 AM - 10:30 AM - BRK 1001

Printed nanostructured optoelectronic devices and systems

Bio:UliLemmerreceived the Diploma degree in Physics from RWTH Aachen University in 1990 and a Ph.D. from the University of Marburg in 1995. From 1995 to 1996, he held a postdoctoral position with the University of Cali forniaat Santa Brbara. He was heading the Organic Optoelectronics group at the University of Munich from 1996 to 2002. In 2002 he was appointed a full Professor and Director of the Light Technology Institute, Karlsruhe Institute of Technology (KIT). Since 2013 he is also a co-director of the Institute of Microstructure Technology. He is the coordinator of the Karlsruhe School of Optics & Photonics (KSOP) since 2006 and he is furthermore heading the device physics competence center within the InnovationLabin Heidelberg. His research interests are optoelectronic devices and the technology and the applications of printable organic and inorganic semiconductors.

Abstract: The use of printing technologies offers a variety of interesting advantages and prospects for future mass fabricated devices and systems for a wide range of applications. In this talk I will first discuss nanophotoniclight management structures in large area optoelectronic devices and the possibilities offered by organic semiconductor lasers [1] and organic photodiodes [2] for sensing applications. Furthermore the talk will discuss recent progress for energy harvesting in sensor systems based on printable photovoltaic cells and thermoelectric generators.

[1] X. Liu et al.,TailoredSurface-Enhanced Raman NanopillarArrays Fabricated by Laser-Assisted Replication for Biomolecular Detection using Organic Semiconductor Lasers, ACS Nano 9, 260 (2015).

[2] R.Ecksteinet al., Aerosol-Jet Printed Flexible Organic Photodiodes: Semi-Transparent, Color Neutral, and Highly Efficient, Adv. Electron. Mater. 1, 1500101 (2015). 

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