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Biodegradable, flexible silicon nanomembrane-based NOx gas sensor system with record-high performance for transient environmental monitors and medical implants

Engineering and Technology

Biodegradable, flexible silicon nanomembrane-based NOx gas sensor system with record-high performance for transient environmental monitors and medical implants

G. Ko, S. D. Han, et al.

Discover a groundbreaking biodegradable silicon-based electronic system designed to detect NO species with exceptional sensitivity and selectivity. This innovative research conducted by Gwan-Jin Ko, Soo Deok Han, Jeong-Ki Kim, Jia Zhu, Won Bae Han, Jinmook Chung, Seung Min Yang, Huanyu Cheng, Dong-Hwee Kim, Chong-Yun Kang, and Suk-Won Hwang showcases outstanding performance ideal for biomedical applications.

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Playback language: English
Abstract
This paper introduces a biodegradable, flexible silicon-based electronic system for detecting NO species. The system boasts record-high sensitivity (136 Rs for 5 ppm NO2), 100-fold selectivity over other substances, and fast response/recovery times (~30s/~60s). Its performance is attributed to material selection, dimensions, design, temperature, and electrical operation. Large-scale sensor arrays maintain performance under various loads, and in vitro tests demonstrate stability in wet environments, suitable for biomedical applications.
Publisher
NPG Asia Materials
Published On
Authors
Gwan-Jin Ko, Soo Deok Han, Jeong-Ki Kim, Jia Zhu, Won Bae Han, Jinmook Chung, Seung Min Yang, Huanyu Cheng, Dong-Hwee Kim, Chong-Yun Kang, Suk-Won Hwang
Tags
biodegradable electronics
silicon-based sensors
NO detection
high sensitivity
selectivity
biomedical applications
sensor arrays

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