[17p-M_B104-1~11] 12.3 Functional Materials and Novel Devices

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[17p-M_B104-1] [The 59th Young Scientist Presentation Award Speech] Ultra-Flexible Dual-Band Organic Photodetectors and their Bio-Sensing Applications

〇Sachi Awakura¹, Hiroaki Jinno^2,1, Yusaku Tagawa¹, Ryota Fukuzawa³, Masahito Takakuwa¹, Takao Someya¹, Tomoyuki Yokota¹ (1.Univ. of Tokyo, 2.ISAS/JAXA, 3.NAIST)

Keywords:

flexible,organic photodetector,sensor

Dual-band organic photodetectors (DB-OPDs) are photodetectors that can selectively detect two different wavelength bands by bias voltage switching. We have successfully fabricated flexible DB-OPDs targeting wearable sensor applications. The resulting device selectively detects visible and near-infrared light, and has a thickness of merely 5.6 µm. Finally, we demonstrated peripheral oxygen saturation (SpO₂) sensing by illuminating a human finger with a solar simulator and detecting the transmitted visible and near-infrared components with the device.