Jeremy Bergeson

PREVIOUS INSTITUTION: BS, University of Utah, Salt Lake City, Utah
DATE JOINED GROUP: June 2002
AREAS OF STUDY: Polymer LED physics
EMAIL: jeremyb@pacific.mps.ohio-state.edu

CURRENT RESEARCH
My work in the group is currently concerned with Organic Light Emitting Devices (OLED's) made from both small organic molecules and polymers. We are searching for materials that exhibit a brightness on the order of 10,000 Candelas per square meter, have long device lifetimes, and are mechanically robust. The electroluminescence (EL) of the device is generally based on the light emission from the recombination of electron-hole pairs (excitons) in the singlet state. Dopants containing metal complexes allow triplet state excitons to spin flip and thus recombine radiatively, increasing the device EL. Work is being done to find efficient emitters using these organic metal complexes. Because of there pliable nature, the polymeric materials immediately invite the possibility of flexible displays for mobile phones, PDA's, laptops, etc. Light emitting devices made from organic and polymeric materials will certainly provide wonderful applications in optical electronics.

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