A detachable interface for stable low-voltage stretchable transistor arrays and high-resolution X-ray imaging

Yangshuang Bian, Mingliang Zhu, Chengyu Wang, Kai Liu, Wenkang Shi, Zhiheng Zhu, Mingcong Qin, Fan Zhang, Zhiyuan Zhao, Hanlin Wang, Yunqi Liu and Yunlong Guo ()
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Yangshuang Bian: Institute of Chemistry Chinese Academy of Sciences
Mingliang Zhu: Institute of Chemistry Chinese Academy of Sciences
Chengyu Wang: Institute of Chemistry Chinese Academy of Sciences
Kai Liu: Peking University
Wenkang Shi: Institute of Chemistry Chinese Academy of Sciences
Zhiheng Zhu: Institute of Chemistry Chinese Academy of Sciences
Mingcong Qin: Institute of Chemistry Chinese Academy of Sciences
Fan Zhang: Institute of Chemistry Chinese Academy of Sciences
Zhiyuan Zhao: Institute of Chemistry Chinese Academy of Sciences
Hanlin Wang: Institute of Chemistry Chinese Academy of Sciences
Yunqi Liu: Institute of Chemistry Chinese Academy of Sciences
Yunlong Guo: Institute of Chemistry Chinese Academy of Sciences

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Challenges associated with stretchable optoelectronic devices, such as pixel size, power consumption and stability, severely brock their realization in high-resolution digital imaging. Herein, we develop a universal detachable interface technique that allows uniform, damage-free and reproducible integration of micropatterned stretchable electrodes for pixel-dense intrinsically stretchable organic transistor arrays. Benefiting from the ideal heterocontact and short channel length (2 μm) in our transistors, switching current ratio exceeding 106, device density of 41,000 transistors/cm2, operational voltage down to 5 V and excellent stability are simultaneously achieved. The resultant stretchable transistor-based image sensors exhibit ultrasensitive X-ray detection and high-resolution imaging capability. A megapixel image is demonstrated, which is unprecedented for stretchable direct-conversion X-ray detectors. These results forge a bright future for the stretchable photonic integration toward next-generation visualization equipment.

Date: 2024
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DOI: 10.1038/s41467-024-47026-9

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