Journal
ADVANCED MATERIALS
Volume 27, Issue 12, Pages 2007-2012Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201404450
Keywords
current rectification; energy harvesting; organic semiconductors; ratchet
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Funding
- NSF [DMR-0547639, CNS-0960316]
- Institute for Collaborative Biotechnologies from US Army Research Office [W911NF-09-0001]
- Camille Dreyfus Teacher Scholar Award
- center for Scientific Computing at the CNSI
- MRL: an NSF MRSEC [DMR-1121053]
- Direct For Mathematical & Physical Scien [1411349] Funding Source: National Science Foundation
- Division Of Materials Research [1411349] Funding Source: National Science Foundation
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Electronic ratchets can rectify AC signals that are extracted from unpredictable energy fluctuations. A device is presented with ratchet-like current-voltage characteristics, which delivers record high electrical currents of 2.6 and 1.7 mu A when driven with an AC signal of square wave and random amplitude, respectively. The device is based on a poly(3-hexylthiophene-2,5-diyl): salt blend, which acquires rectification properties after a voltage stress in a transistor configuration.
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