Perovskite Solar Cell-Gated Organic Electrochemical Transistors for Flexible Photodetectors with Ultrahigh Sensitivity and Fast Response

© 2022 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 6 vom: 20. Feb., Seite e2207763
1. Verfasser: Song, Jiajun (VerfasserIn)
Weitere Verfasser: Tang, Guanqi, Cao, Jiupeng, Liu, Hong, Zhao, Zeyu, Griggs, Sophie, Yang, Anneng, Wang, Naixiang, Cheng, Haiyang, Liu, Chun-Ki, McCulloch, Iain, Yan, Feng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article contactless sensing flexible photodetectors organic electrochemical transistors perovskite solar cells wearable electronics
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520 |a Photodetectors (PDs) are the building block of various imaging and sensing applications. However, commercially available PDs based on crystalline inorganic semiconductors cannot meet the requirements of emerging wearable/implantable applications due to their rigidity and fragility, which creates the need for flexible devices. Here, a high-performance flexible PD is presented by gating an organic electrochemical transistor (OECT) with a perovskite solar cell. Due to the ultrahigh transconductance of the OECT, the device demonstrates a high gain of ≈106 , a fast response time of 67 µs and an ultrahigh detectivity of 6.7 × 1017 Jones to light signals under a low working voltage (≤0.6 V). Thanks to the ultrahigh sensitivity and fast response, the device can track photoplethysmogram signals and peripheral oxygen saturation under ambient light and even provide contactless remote sensing, offering a low-power and convenient way for continuous vital signs monitoring. This work offers a novel strategy for realizing high-performance flexible PDs that are promising for low-power, user-friendly and wearable optoelectronics 
650 4 |a Journal Article 
650 4 |a contactless sensing 
650 4 |a flexible photodetectors 
650 4 |a organic electrochemical transistors 
650 4 |a perovskite solar cells 
650 4 |a wearable electronics 
700 1 |a Tang, Guanqi  |e verfasserin  |4 aut 
700 1 |a Cao, Jiupeng  |e verfasserin  |4 aut 
700 1 |a Liu, Hong  |e verfasserin  |4 aut 
700 1 |a Zhao, Zeyu  |e verfasserin  |4 aut 
700 1 |a Griggs, Sophie  |e verfasserin  |4 aut 
700 1 |a Yang, Anneng  |e verfasserin  |4 aut 
700 1 |a Wang, Naixiang  |e verfasserin  |4 aut 
700 1 |a Cheng, Haiyang  |e verfasserin  |4 aut 
700 1 |a Liu, Chun-Ki  |e verfasserin  |4 aut 
700 1 |a McCulloch, Iain  |e verfasserin  |4 aut 
700 1 |a Yan, Feng  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 35(2023), 6 vom: 20. Feb., Seite e2207763  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:35  |g year:2023  |g number:6  |g day:20  |g month:02  |g pages:e2207763 
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