通过激光/分散系耦合增强氧化石墨烯的还原效果:实现大规模、低缺陷的石墨烯用于无折痕散热膜在先进柔性电子器件中的应用

作     者：孙佳惟 熊雨薇 贾海洋 韩龙祥 叶雯 孙立涛 Jiawei Sun;Yuwei Xiong;Haiyang Jia;Longxiang Han;Wen Ye;Litao Sun

作者机构：College of Electronic and Information EngineeringSuzhou University of Science and TechnologySuzhou 215009China SEU-FEI Nano-Pico CenterKey Laboratory of MEMS of Ministry of EducationSoutheast UniversityNanjing 210096China School of Physics and New EnergyXuzhou University of TechnologyXuzhou 221018China Jiangsu Industrial Intelligent and Low-carbon Technology Engineering CenterSuzhou 215000China Suzhou Key Laboratory of Intelligent Low-carbon Technology ApplicationSuzhou 215000China College of Chemistry and Life SciencesSuzhou University of Science and TechnologySuzhou 215009China 

出 版 物：《Science Bulletin》 (科学通报（英文版）)

年 卷 期：2024年第69卷第11期

页      面：1716-1727页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：supported by the National Science Foundation of Jiangsu Province(BK20210861) the National Natural Science Foundation of China(62101374) the open research fund of Key Laboratory of MEMS of Ministry of Education,Southeast University 

主　　题：Laser-irradiation technology System coupling Graphene-based Heat dissipation membranes Crease-free 

摘      要：The advancement of flexible electronics demands improved components,necessitating heat dissipation membranes(HDMs)to exhibit high thermal conductivity while maintaining structural integrity and performance stability even after extensive ***,we have devised a laser-modulated reduction technique for graphene oxide(GO),enabling the fabrication of high-quality,large-scale,lowdefect graphene,which yields high-performance HDMs after orderly *** work underscores the crucial role of the laser wavelength and dispersion liquid s coupling intensity in influencing the morphology and properties of *** coupling effect and energy conversion are realized when a laser of 1064 nm wavelength irradiates a triethylene glycol(TEG)/N,N-Dimethylformamide(DMF)*** unique synergy generates high transient energy,which facilitates the deprotonation process and ensures a swift,comprehensive GO *** contrast to conventional water-based laser reduction methods,the accelerated reaction magnifies the size of the graphene sheets by mitigating the ablation *** membrane construction with an ordered structure,the corresponding membrane exhibits a high thermal conductivity of 1632 W m^(-1)K^(-1),requiring only~1/10 of the total preparation time required by other reported ***,the resulting HDM demonstrates superior resilience against creasing and folding,maintaining excellent smoothness and negligible reduction in thermal conductivity after violent *** combination of exceptional flexibility and thermal conductivity in HDMs paves the way for long-term practical use in the flexible electronics industry.