Structural changes and electrical properties of nanowelded multiwalled carbon nanotube junctions

Liu Zhi; Yuan Yanping; Shang Yitong; Han Weina

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Structural changes and electrical properties of nanowelded multiwalled carbon nanotube junctions

机译：纳米电池多壁碳纳米管连接的结构变化和电性能

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This study proposes an efficient approach that uses a 1064 nm continuous fiber laser to achieve nanoscale welding of crossed multiwalled carbon nanotubes (MWCNTs). We investigate the effects of laser irradiation time (from 1 to 6 s) on the structure changes and the welding quality of crossed MWCNTs using a scanning electron microscope, transmission electron microscope, and Raman spectroscopy. The experimental results demonstrate that (1) after 2 or 3 s laser irradiation, moderate temperature of MWCNTs can be formed and can cause a higher degree of graphitization and (2) the degree of graphitization and effective contact of nanowelded MWCNT junctions strongly affects its electrical properties. (C) 2018 Optical Society of America

机译：本研究提出了一种有效的方法，它使用1064nm连续光纤激光来实现交叉多壁碳纳米管（MWCNT）的纳米级焊接。我们使用扫描电子显微镜，透射电子显微镜和拉曼光谱研究激光照射时间（从1至6秒到6秒）对结构变化和交叉MWNT的焊接质量的影响。实验结果表明（1）在2或3秒的激光照射后，可以形成中等温度，可引起更高程度的石墨化和（2）纳米电池MWCNT连接的石墨化程度和有效接触强烈影响其电气特性。（c）2018年光学学会

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来源
《Applied optics》 |2018年第26期|共5页
作者
Liu Zhi; Yuan Yanping; Shang Yitong; Han Weina;
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Beijing Univ Technol Inst Laser Engn Beijing 100124 Peoples R China;

Beijing Univ Technol Inst Laser Engn Beijing 100124 Peoples R China;

Beijing City Univ Beijing Inst Printing 3D Beijing 100083 Peoples R China;

Beijing Univ Technol Inst Laser Engn Beijing 100124 Peoples R China;

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Structural changes and electrical properties of nanowelded multiwalled carbon nanotube junctions

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