Journal
APPLIED PHYSICS LETTERS
Volume 91, Issue 11, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2778754
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Funding
- EPSRC [EP/C539516/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/C539516/1] Funding Source: researchfish
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The author reports on light-sensing ambipolar organic field-effect transistors (LS-OFETs) based on blends of[6,6]-phenyl-C-61-butyric acid methyl ester and poly [2-methoxy-5-(3('),7(')-dimethyloctyloxy)]-p-phenylene vinylene. By carefully tuning the ambipolar transport character of the LS-OFETs, their photoresponsivity can be controlled and optimized. By combining LS-OFETs with ordinary unipolar organic transistors, fabrication of electro-optical switches and logic circuits, such as NOT and OR gates, is demonstrated. This is the only report of organic electro-optical circuits in which signal processing involves the use of both optical and electrical input signals. Such circuits could one day be explored in optical sensor array applications.
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