Dresden 2014 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 104: Organic electronics and photovoltaics II (organized by DS)

HL 104.8: Talk

Thursday, April 3, 2014, 19:30–19:45, CHE 91

Tuning the energy levels of carbon nanotubes by functionalization — •Gerhard Lackner, Vladimir Shvartsman, and Doru C. Lupascu — Institute for Materials Science, University of Duisburg-Essen, 45141 Essen, Germany

Carbon nanotubes (CNT) are a promising material for electrical applications due to their extraordinary properties. Nevertheless, a defined tuning of the energy levels of this material has not been reported so far. We show a possible route to set the energy levels of CNT by functionalization. The energy levels before and after the functionalization are analysed by Kelvin Probe measurements. Additionally, the functionalized and non-functionalized CNT are applied in organic solar cells and a comparative study about the solar cell performances is given.