Laser induction of graphene onto lignin-upgraded flexible polymer matrix

Kaustubh Sinha; Lingju Meng; Qiwei Xu; Xihua Wang

doi:10.1016/j.matlet.2020.129268

Laser induction of graphene onto lignin-upgraded flexible polymer matrix

Kaustubh Sinha, Lingju Meng, Qiwei Xu, Xihua Wang

Not published at Aalto University

University of Alberta

Research output: Contribution to journal › Article › Scientific › peer-review

18 Citations (Scopus)

Abstract

Laser-induced graphene (LIG) has been demonstrated for various applications on a variety of rigid and flexible substrates such as wood, polyimide films and DVD disks. Here we report LIG produced from polydimethylsiloxane (PDMS) using a commercially available scribing laser. Marginal addition of lignin into PDMS enables the formation of LIG from this lignin upgraded PDMS film while preserving its stretchable nature. Increasing lignin concentration in PDMS matrix leads to better multi-layered LIG. Lower laser trace speeds also result in higher quality porous LIG structures. To demonstrate the application for flexible electronics, the LIG was deployed as a pressure sensor.

Original language	English
Article number	129268
Number of pages	4
Journal	Materials Letters
Volume	286
DOIs	https://doi.org/10.1016/j.matlet.2020.129268
Publication status	Published - 1 Mar 2021
MoE publication type	A1 Journal article-refereed

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10.1016/j.matlet.2020.129268

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abstract = "Laser-induced graphene (LIG) has been demonstrated for various applications on a variety of rigid and flexible substrates such as wood, polyimide films and DVD disks. Here we report LIG produced from polydimethylsiloxane (PDMS) using a commercially available scribing laser. Marginal addition of lignin into PDMS enables the formation of LIG from this lignin upgraded PDMS film while preserving its stretchable nature. Increasing lignin concentration in PDMS matrix leads to better multi-layered LIG. Lower laser trace speeds also result in higher quality porous LIG structures. To demonstrate the application for flexible electronics, the LIG was deployed as a pressure sensor.",

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AB - Laser-induced graphene (LIG) has been demonstrated for various applications on a variety of rigid and flexible substrates such as wood, polyimide films and DVD disks. Here we report LIG produced from polydimethylsiloxane (PDMS) using a commercially available scribing laser. Marginal addition of lignin into PDMS enables the formation of LIG from this lignin upgraded PDMS film while preserving its stretchable nature. Increasing lignin concentration in PDMS matrix leads to better multi-layered LIG. Lower laser trace speeds also result in higher quality porous LIG structures. To demonstrate the application for flexible electronics, the LIG was deployed as a pressure sensor.

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Laser induction of graphene onto lignin-upgraded flexible polymer matrix

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