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<p>Laser-Induced Graphene (LIG) is a&#xa0;porous conductive graphene material generated through one-step Direct Laser Writing (DLW) under ambient conditions on various carbon-based thin film substrates. This method enables the creation of intricate graphene patterns on flexible carbon-based films. This review outlines the background, reaction mechanisms, and key parameters involved in LIG formation. It provides a&#xa0;comparative analysis of common carbon-based precursor substrates used for laser-induced graphene and details the laser sources employed in LIG fabrication, including critical parameters such as wavelength, power, laser fluence, spot size, and scanning speed. The characteristics of graphene produced by different laser sources and their corresponding application fields are summarized. The manufacturing process of LIG is described, along with commonly used characterization techniques, instruments, and evaluation criteria. Finally, the review highlights diverse applications of LIG, discusses its advantages and limitations, and provides an outlook on future developments.</p>

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A review on the reaction mechanisms, structure, preparation, and applications of laser-induced graphene technology

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • Zhiyao Wang,
  • Xinru Zhang,
  • Jingyi Zhu,
  • Yandong Gong

摘要

Laser-Induced Graphene (LIG) is a porous conductive graphene material generated through one-step Direct Laser Writing (DLW) under ambient conditions on various carbon-based thin film substrates. This method enables the creation of intricate graphene patterns on flexible carbon-based films. This review outlines the background, reaction mechanisms, and key parameters involved in LIG formation. It provides a comparative analysis of common carbon-based precursor substrates used for laser-induced graphene and details the laser sources employed in LIG fabrication, including critical parameters such as wavelength, power, laser fluence, spot size, and scanning speed. The characteristics of graphene produced by different laser sources and their corresponding application fields are summarized. The manufacturing process of LIG is described, along with commonly used characterization techniques, instruments, and evaluation criteria. Finally, the review highlights diverse applications of LIG, discusses its advantages and limitations, and provides an outlook on future developments.