Research helps understand factors that influence efficiency of organic-bas...(arder a professor in the Georgia Tech Sc...)

Date:7/8/2008

arder, a professor in the Georgia Tech School of Chemistry and Biochemistry, and Neal Armstrong, a professor in the Department of Chemistry at the University of Arizona, they were able to characterize the main binding modes of the phosphonic acid molecules on indium tin oxide. This work has led to further research characterizing the impact of the self-assembled monolayer on the indium tin oxide work function, according to Brdas.

"More theoretical work needs to be done to study conducting oxides used as transparent electrodes in organic solar cells and organic transistors," added Brdas. "On the experimental side, the quality of the self-assembled monolayer coverage also needs to be improved."

Researchers usually design devices with potentially well-aligned energy levels when the layers are measured individually, but they should be examining the layers when they are attached, according to Brdas. This is because the reorganization of the chemical, electronic and geometric structures of the two layers at the interface has a major impact on the overall device characteristics.

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Contact: Abby Vogel avogel@gatech.edu 404-385-3364 Georgia Institute of Technology Research News Source:Eurekalert

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