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Urcan Guler

As seen in: Nature, Wiley Online Library
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Articles

Positive Feedback Organic‐on‐Silicon Upconversion Devices

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By Raju Lampande, Adrian Pizano, Urcan Guler, Jon-paul DesOrmeaux
| Wiley Online Library Verified
1 Introduction Optoelectronic upconversion devices that amplify and convert near-infrared (NIR) light directly into visible light are being explored for applications ranging from night vision[1] to bioimaging.[2] These devices typically consist of an organic light-emitting diode (OLED) integrated back-to-back with an organic photodiode (OPD).
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Positive-feedback organic light-emitting diodes and upconverters - Nature Photonics

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By Raju Lampande, Alex J. Grede, John Hamer, Adrian Pizano, Robert Cawthorn, Urcan Guler
| Nature Verified
Abstract Organic light-emitting diodes (OLEDs) are among the most successful organic electronic devices so far. They currently dominate the mobile display market and are expanding into a broad range of lighting, automotive and wearable device applications. Here we introduce a new class of organic light-emitting device that exhibits bistability owing to positive photonic feedback between an organic photodiode and a tandem OLED integrated in the same layer stack.
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