Rapid growth mechanism of graphene fabricated by high-power laser irradiation

被引：2
|
作者：
Ye, Xiaohui [1 ]
Yang, Yifan [1 ]
Yao, Xincheng [1 ]
Qi, Ming [1 ]
Mediko, Francis Sona [1 ]
Yuan, Xuebing [2 ]
Yang, Yanling [1 ]
机构：
[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Shaanxi Key Lab Green Preparat & Functionalizat I, Xian 710021, Peoples R China
[2] Northwestern Polytech Univ, Sch Automat, Xian 710129, Peoples R China
来源：
MATERIALS TODAY COMMUNICATIONS | 2020年 / 24卷
基金：
中国国家自然科学基金;
关键词：
Laser processing; Carbon materials; Solidification; Rapid growth mechanism; CHEMICAL-VAPOR-DEPOSITION;
D O I：
10.1016/j.mtcomm.2020.101132
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mechanism of graphene growth under rapid growth is yet unknown, limiting the industrialization proceeding of graphene application. In this paper, the heat conduction and solute migration are researched by the real-time observation and theorical calculation for further understand the mechanism of rapid growth of graphene by high-power laser fabrication. The highest temperature is 1832 K recorded by infrared thermography and 1905 K calculated by Fourier's second law. The carbon source is delivered in the liquid state with high diffusion rate. It only takes 3.065 s to complete the growth of graphene. This work will offer an engineering solution to fabricate high-quality and large-area graphene.
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页数：5
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