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Fabrication and growth mechanism of ultra-crystalline C 60 on silicon substrate in vacuum
Carbon Letters ( IF 5.5 ) Pub Date : 2020-07-22 , DOI: 10.1007/s42823-020-00167-5
Hongyu Wang , Ashutosh Rath , Shu Hearn Yu , Meng Seng Tan , Stephen J. Pennycook , Daniel H. C. Chua

We report a simple procedure to fabricate single crystals 3D C60 having an FCC structure on silicon substrates using a vapour–solid set-up in vacuum conditions. The morphology of the deposited film can be tuned by controlling the temperature and position of the substrate. The as-fabricated samples are extensively characterised by transmission electron microscopy, scanning electron microscope, X-ray powder diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy and nano-indentation, which allow us to shed light on the recrystallization process of the C60. In addition, the growth mechanism of the formation of crystalline 3D structure of the C60 film is discussed in detail. Based on the newly gained knowledge of mechanism and its unique properties, fullerene has shown huge potential as a solid lubricant on various kinds of substrates.



中文翻译:

真空法在硅衬底上超晶C 60的制备和生长机理

我们报告了在真空条件下使用蒸气-固体装置在硅衬底上制造具有FCC结构的单晶3D C 60的简单程序。可以通过控制基板的温度和位置来调整沉积膜的形态。加工后的样品通过透射电子显微镜,扫描电子显微镜,X射线粉末衍射,拉曼光谱,X射线光电子能谱和纳米压痕进行了广泛表征,这使我们能够了解C 60的重结晶过程。。另外,C 60的晶体3D结构形成的生长机理电影进行了详细讨论。基于对机理及其独特性能的最新了解,富勒烯作为固体润滑剂在各种基材上具有巨大的潜力。

更新日期:2020-07-22
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