Abstract
A near-infrared (1.5 μm) to visible light (green) electro-optical upconverter with amplified power gain has been designed and demonstrated. The device was fabricated by direct tandem integration of an organic light emitting diode with an inorganic InGaAs/InP heterojunction phototransistor. An overall external upconversion power efficiency of 155% was measured at room temperature, demonstrating the utility of hybrid organic/inorganic semiconductor systems. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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Chen, J., Ban, D., Helander, M. G., Lu, Z. H., & Poole, P. (2010). Near-infrared inorganic/organic optical upconverter with an external power efficiency of >100%. Advanced Materials, 22(43), 4900–4904. https://doi.org/10.1002/adma.201001946
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