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Performance of bulk-heterojunction organic photodetectors

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6 Author(s)
Rauch, T. ; Dept. of Innovative Electron., Siemens AG, Erlangen, Germany ; Henseler, D. ; Schilinsky, Pavel ; Waldauf, Christoph
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The performance of organic photodetectors has already reached a high level. In the near future organic photodetectors can be found in applications like imaging and sensing. The core of organic photodetectors is the bulk-heterojunction. Fullerenes and conjugated polymers forming islands in nanometer size are causing the outstanding quantum efficiencies. The conjugated polymers have a high absorption coefficient and the fullerenes are efficiently transferred electrons from the polymer. This leads to a high sensitivity to light. Organic photodetectors with low dark currents, external quantum efficiencies of 80% in the visible, linearity over several decades and fast transient behavior are demonstrated.

Published in:

Nanotechnology, 2004. 4th IEEE Conference on

Date of Conference:

16-19 Aug. 2004