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Interfacial Challenges in Organic-Based Photonic Devices

Event Details

Event Dates: 

Friday, April 20, 2012 - 10:00am

Speaker Name(s): 

Jeanne Pemberton

Speaker Affiliation(s): 

University of Arizona
Seminar Type/Subject

Event Details & Abstract: 

Organic photovoltaic (OPV) devices and related thin-film photovoltaic technologies such as organic light-emitting diodes (OLEDs) are typically based on photoactive molecular semiconductors, semiconducting polymers, and/or hybrids of these materials with semiconducting oxide and low work function metal contacts. These dissimilar materials must form chemically and physically robust interfaces for efficient charge harvesting or injection. Dramatic improvements in efficiency and lifetime of these devices will not be possible without optimization of interfacial charge transfer events founded on a molecular-level understanding of the physical and chemical interactions that control these interfaces. This seminar will consider specific examples of fundamental optical and electron spectroscopic studies designed to illuminate the chemical and physical details of critical interfaces in these devices.

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