Hi all,
Jose Dario has been visiting the group from FAU Erlangen-Nürnberg over the
summer. He'll talk tomorrow at group meeting - see below for his title and
abstract.
All the best,
Ian
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Title: Organic Photovoltaics: Fundamentals, Materials and Processing
Speaker: José Dario Perea
Institute of Materials for Electronics and Energy Technology (i-MEET),
Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 7, 91058
Erlangen, Germany
Abstract: The imminent impact of climatic change as well as the world’s
growing demand for energy requires fostering new forms of sustainable
energy conversion involving low-waste and low-energy manufacturing. Because
solution processing can facilitate large scale industrial deployment at
reduced energy consumption, accurate theoretical predictions of the
thermodynamic, transport, chemical reactions, and electronic structure
properties of solutes in solvents can effectively advance sustainable
technologies. In this context, organic semiconductors bear a pivotal role
because, as opposed to most traditional inorganic semiconductors, these
material systems provide access to optoelectronic devices with tailored
semiconductor properties, innovative form factors, low specific weight, and
color tunability at potentially very low cost (1). To realize these
advantages, high solubility, ideally in environmental benign “green”
solvents, has to be ensured (2). This presentation discusses the principles
of solubility and miscibility and the connection between thermodynamic
properties of a molecule and its corresponding photovoltaic potential.
(1) Forrest, S. R. The Path to Ubiquitous and Low-Cost Organic Electronic
Appliances on Plastic. Nature 2004, 428, 911−918.
(2) Tait, J. G.; Merckx, T.; Li, W.; Wong, C.; Gehlhaar, R.; Cheyns, D.;
Turbiez, M.; Heremans, P. Determination of Solvent Systems for Blade
Coating Thin Film Photovoltaics. Adv. Funct. Mater. 2015, 25, 3393−3398.
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