Sounds of Synthesis: Acoustic Real-Time Analysis of Laser-Induced Graphene

被引：9
|
作者：
Li, Victor D. [1 ]
Li, John T. [1 ]
Beckham, Jacob L. [1 ]
Chen, Weiyin [1 ]
Deng, Bing [1 ]
Luong, Duy X. [1 ]
Kittrell, Carter [1 ]
Tour, James M. [2 ]
机构：
[1] Rice Univ, Dept Chem, 6100 Main St MS 222, Houston, TX 77005 USA
[2] Rice Univ, Dept Mat Sci & Nanoengn, Welch Inst Adv Mat, Dept Comp Sci,Dept Chem,Smalley Curl Inst,NanoCar, 6100 Main St MS 222, Houston, TX 77005 USA
来源：
ADVANCED FUNCTIONAL MATERIALS | 2022年 / 32卷 / 17期
关键词：
acoustic analysis; laser-induced graphene; process monitoring; real-time characterization; sounds; RAMAN-SPECTROSCOPY; EFFICIENT;
D O I：
10.1002/adfm.202110198
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Laser-induced graphene (LIG) can be patterned on a variety of substrates using a laser scriber/cutter. The quality and morphology of LIG is currently analyzed using Raman spectroscopy and electron microscopy. Here a method is presented to enable analysis of LIG in real-time during the synthesis using a microphone attached to the laser writing head, followed by a simple acoustic signal processing scheme. It is demonstrated that it is possible to use the same energy input to simultaneously drive the conversion process and probe the formation of LIG in situ by applying Fourier and integral analyses, thus allowing rapid, high-throughput determination of the local quality and morphology of the produced LIG.
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页数：7
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