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Organic electronics: Imaging defects in solar cells
Date:6/27/2013

sting to know what is special about the surface layer at these hot spots. What produces defects at these sites? They could be due to chemical contaminants or to irregularities in the alignment of the molecules," says Bert Nickel, who is also a member of the Nanosystems Initiative Munich (NIM), a Cluster of Excellence.

Nickel and his colleagues chose the pentacene for their experiments because it is the most conductive material presently available for the manufacture of organic semiconductors. In the present study, they looked at a thin pentacene layer in which the majority of charge carriers are positively charged holes. In subsequent work, they plan to investigate complete solar cells, which consist of a hole-conducting film in direct contact with an electron-conducting layer.


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Contact: Luise Dirscherl
dirscherl@lmu.de
49-892-180-2706
Ludwig-Maximilians-Universitt Mnchen
Source:Eurekalert

Page: 1 2

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