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Published on: January 30, 2020
Advances in Laser-Induced Graphene for Flexible Sensors
Lishuang Lin1,2,3, Huiqi Yang1,2, Haifeng Gao1,2
1College of Chemistry, Fuzhou University, Fuzhou 350108, China.
Materials (Basel, Switzerland)
|May 13, 2026
Summary
Laser-induced graphene (LIG) offers a versatile platform for flexible sensors due to its unique porous structure and conductivity. This review details LIG materials, fabrication, and its application in strain and temperature sensing, addressing current challenges and future potential.
Area of Science:
- Materials Science
- Nanotechnology
- Sensor Technology
Background:
- Laser-induced graphene (LIG) is a promising porous carbon material fabricated via direct laser writing.
- Its unique properties, including high electrical conductivity and patternability, make it suitable for flexible sensing.
- Existing reviews lack a systematic analysis of LIG for sensor applications.
Purpose of the Study:
- To provide a comprehensive review of laser-induced graphene for sensor applications.
- To summarize LIG materials, formation mechanisms, and sensing principles.
- To highlight recent advancements in LIG-based strain and temperature sensors.
Main Methods:
- Systematic literature review of LIG fabrication and sensor applications.
- Analysis of LIG materials, processing parameters, and formation principles.
- Focus on sensing mechanisms, performance indicators, and optimization strategies for strain and temperature sensors.
Main Results:
- LIG sensors demonstrate excellent performance in mechanical and thermal signal detection.
- Key performance indicators and optimization strategies for LIG strain and temperature sensors are detailed.
- Challenges such as material uniformity, signal interference, and packaging reliability are identified.
Conclusions:
- LIG is a highly adaptable material for advanced flexible sensor development.
- Addressing fabrication consistency and signal integrity is crucial for practical applications.
- Future research should focus on integrated, scalable, and high-performance LIG sensor systems.
