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Functionalized Hydrogel-Based Wearable Gas and Humidity Sensors
Yibing Luo1, Jianye Li1, Qiongling Ding1
1State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
Nano-Micro Letters
|May 24, 2023
Summary
Wearable hydrogel vapor sensors offer real-time monitoring of inhaled and exhaled air. These flexible sensors are ideal for personal health and safety, enabling early disease detection.
Area of Science:
- Materials Science
- Sensor Technology
- Biomedical Engineering
Background:
- Breathing is essential, yet air composition is unknown.
- Wearable sensors can monitor air quality for health and safety.
- Hydrogels offer unique properties for flexible, sensitive sensors.
Purpose of the Study:
- To review current hydrogel-based vapor sensor studies.
- To introduce properties and optimization of wearable hydrogel sensors.
- To summarize response mechanisms and applications in personal monitoring.
Main Methods:
- Investigated current literature on hydrogel-based vapor sensors.
- Analyzed properties, optimization, and response mechanisms.
- Presented applications in personal health and safety.
Main Results:
- Hydrogels are flexible, stretchable, conductive, self-healing, and biocompatible.
- Hydrogel sensors offer advantages over traditional rigid sensors for wearable applications.
- Hydrogel-based sensors show potential for real-time personal health and safety monitoring.
Conclusions:
- Hydrogel-based vapor sensors are promising for real-time personal monitoring.
- Further research is needed to address current challenges and explore future trends.
- These sensors can advance home healthcare and safety applications.
