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20 August 2020 Low-noise large-area organic photodiodes
Canek Fuentes-Hernández, Wen-Fang Chou, Victor A. Rodriguez-Toro, Youngrak Park, Yi-Chien Chang, Felipe A. Larrain, Bernard Kippelen
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Proceedings Volume 11475, Organic and Hybrid Sensors and Bioelectronics XIII; 114750N (2020) https://doi.org/10.1117/12.2567668
Event: SPIE Organic Photonics + Electronics, 2020, Online Only
Abstract
In this talk, we will present organic photodiodes (OPDs) based on polymeric bulk heterojunctions with a level of performance that within the visible spectral range, rivals that of low-noise SiPDs in all metrics, except response time. Large-area OPDs on rigid and flexible substrates retain an unprecedented level of performance. Advantages of OPDs are further illustrated and quantified in a biometric monitoring application that uses ring-shaped, large-area, flexible OPDs, while maintaining low-noise SiPD-level performance. We will discuss how this remarkable performance arises from the selection of photoactive layer materials and by device-geometry optimization without charge-blocking layers.
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Canek Fuentes-Hernández, Wen-Fang Chou, Victor A. Rodriguez-Toro, Youngrak Park, Yi-Chien Chang, Felipe A. Larrain, and Bernard Kippelen "Low-noise large-area organic photodiodes", Proc. SPIE 11475, Organic and Hybrid Sensors and Bioelectronics XIII, 114750N (20 August 2020); https://doi.org/10.1117/12.2567668
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KEYWORDS
Photodiodes
Biometrics
Custom fabrication
Heterojunctions
Ionizing radiation
Optical sensing
Photodetectors
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