Journal
DIGITAL SIGNAL PROCESSING
Volume 125, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.dsp.2021.103145
Keywords
Organic photodetector; Flexible device configuration; Wearable system; Signal processing
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Funding
- National Natural Science Foundation of China [52003141]
- Guangdong Basic and Applied Basic Research Foundation [2021A1515010493]
- Tsinghua Shenzhen International Graduate School (SIGS) Overseas Research Cooperation Fund [HW2020007, QD2021006N]
- China Postdoctoral Science Foundation [2020M680546]
- Shenzhen Geim Graphene Center
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This article reviews the design principles, device architecture, and signal processing relations of flexible organic photodetectors, reveals the challenges in improving the performance of flexible device units and their integrated systems, and highlights methodologies for precision design and optimization in specific scenarios.
Flexible organic photodetectors that are lightweight, conformable, cost-effective, and compatible with large-scale processing techniques will meet the demands of next-generation wearable devices in the era of Internet of Things (IoT). Recent advances in various flexible organic photodetectors and their accompanied signal processing circuits have greatly enriched the application scenarios of wearable devices. This review provides a comprehensive summary of general design principles for organic photodetectors, addresses the device architecture and signal processing relations, reveals the challenges in improving the performance of flexible device units and their integrated systems, and highlights methodologies in concrete scenarios for precision design and optimization. (c) 2021 Elsevier Inc. All rights reserved.
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