Issue

Vol. 12 (2020)

Laser-Induced Graphene: En Route to Smart Sensing

https://doi.org/10.1007/s40820-020-00496-0
Libei Huang
Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, People’s Republic of China
Jianjun Su
Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, People’s Republic of China
Yun Song
Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, People’s Republic of China
Ruquan Ye
Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, People’s Republic of China

Corresponding Author: Ruquan Ye

ruquanye@cityu.edu.hk

Nano-Micro Letters, Vol. 12 (2020), Article Number: 157

Abstract

The discovery of laser-induced graphene (LIG) from polymers in 2014 has aroused much attention in recent years. A broad range of applications, including batteries, catalysis, sterilization, and separation, have been explored. The advantages of LIG technology over conventional graphene synthesis methods are conspicuous, which include designable patterning, environmental friendliness, tunable compositions, and controllable morphologies. In addition, LIG possesses high porosity, great flexibility, and mechanical robustness, and excellent electric and thermal conductivity. The patternable and printable manufacturing process and the advantageous properties of LIG illuminate a new pathway for developing miniaturized graphene devices. Its use in sensing applications has grown swiftly from a single detection component to an integrated smart detection system. In this minireview, we start with the introduction of synthetic efforts related to the fabrication of LIG sensors. Then, we highlight the achievement of LIG sensors for the detection of a diversity of stimuli with a focus on the design principle and working mechanism. Future development of the techniques toward in situ and smart detection of multiple stimuli in widespread applications will be discussed.


Highlights:


1 Summarizing the strategies for the synthesis and engineering of laser-induced graphene, which is essential for the design of high-performance sensors.
2 Introducing LIG sensors for the detection of various stimuli with a focus on the design principle and working mechanism.
3 Discussing the integration of LIG sensors with signal transducers and conveying the prospects of smarting sensing systems to come.

Keywords

Laser-induced graphene Smart sensor Printable electronics Design principle
Huang, Libei, Jianjun Su, Yun Song, and Ruquan Ye. 2020. “Laser-Induced Graphene: En Route to Smart Sensing”. Nano-Micro Letters 12 (August):157. https://doi.org/10.1007/s40820-020-00496-0.
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