真空 ›› 2023, Vol. 60 ›› Issue (5): 60-65.doi: 10.13385/j.cnki.vacuum.2023.05.09
方久康, 董淑宏
FANG Jiu-kang, DONG Shu-hong
摘要： 通过分子动力学（MD）方法研究了从基底表面剥离制备石墨烯薄膜时,基底表面粗糙度、剥离角度以及温度等因素对剥离行为的影响,同时在理论上探讨了剥离力随剥离角度的变化关系。结果表明：随着基底表面粗糙度的增加和温度的升高,剥离力逐渐增加;温度在金属辅助剥离石墨烯膜过程中也存在影响,可以通过合理调控温度剥离出不同层数的石墨烯;当剥离角度从0°变化到90°时,剥离力逐渐降低,理论计算与MD模拟结果相一致。本研究可以为探索石墨烯薄膜从粗糙基底表面剥离行为提供一定理论参考。
中图分类号: TH145;O561
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