From Event: SPIE Commercial + Scientific Sensing and Imaging, 2017
Organic materials offer fascinating properties for realizing optoelectronic devices such as organic light emitting diodes (OLEDs) and solar cells (OSCs). The performance of the latter is mainly determined by the low operating voltage with respect to the optical band gap and the limited absorption properties of organic materials in the near infrared (NIR) spectral region.
We utilize the weakly absorbing charge transfer state to fabricate a narrowband optical sensor in the NIR up to 1500 nm. With very high and competitive detectivities, we are not only entering the Indium-Gallium-Arsenide-dominated world but demonstrate an integrated spectroscopic sensor for accurate moisture detection.
Bernhard Siegmund, Andreas Mischok, Robert Brückner, Ronny Timmreck, Karl Leo, and Koen Vandewal, "Organic narrowband NIR-detectors (Conference Presentation)," Proc. SPIE 10210, Next-Generation Spectroscopic Technologies X, 1021007 (Presented at SPIE Commercial + Scientific Sensing and Imaging: April 10, 2017; Published: 9 June 2017); https://doi.org/10.1117/12.2262765.5460418241001.
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