Growth of graphene on tantalum and its protective properties. (November 2018)

• Record Type: Journal Article
• Authors: Nazarova, M.; Stora, T.; Zhukov, A.A.; Huang, K.; Nair, R.R.; Wang, Y.B.; Yin, J.; Holwill, M.; Wang, Z.; Mishchenko, A.; Novoselov, K.S.
• Is Part Of: Carbon. Volume 139(2018)
• Page Start: 29
• Page End: 34
• Publication Date: 2018-11
• Subjects: Carbon -- Periodicals; Carbone -- Périodiques; Koolstof; Toepassingen; Electronic journals; 546.681
• DOI: 10.1016/j.carbon.2018.06.027
• Languages: English
• ISSNs: 0008-6223

Abstract

Abstract: The mechanism of graphene growth on tantalum has been studied. It has been demonstrated that graphene growth occurs through the formation of tantalum carbide, which exhibits catalytic properties towards cracking of hydrocarbons. We found that excessive carbon, not involved in carbide formation, forms self-limiting layer of graphene on the surface. The layer of tantalum carbide and graphene provides an efficient protective layer against chemical corrosion and high temperature oxidation. Graphical abstract: Image 1