Graphene/3C-SiC Hybrid Nanolaminate
Zhuang, Hao; Yang, Bing; Heuser, Steffen; Huang, Nan; Fu, Haiyuan; Jiang, Xin;
AbstractIn this work, we demonstrate a one-step approach to create graphene/3C-SiC nanolaminate structure using microwave plasma chemical vapor deposition technique. Layer-by-layer arrangement of thin 3C-SiC layers and graphene sheets is obtained with the thicknesses of the individual 3C-SiC layers and graphene sheets being 5-10 nm and 2-5 nm, respectively. An intimate contact between 3C-SiC and the graphene sheets is achieved and the nanolaminate film shows a high room temperature conductivity of 96.1 S/cm. A dedicated structural analysis of the nanolaminates by means of high-resolution transmission electron microscopy (HRTEM) reveals that the growth of the nanolaminates follows an iterative process: preferential graphene nucleation around the planar defects at the central region of the SiC layer, leading to the "splitting" of the SiC layer; and the thickening of the SiC layer after being "split". A growth mechanism based on both kinetics and thermodynamics is proposed. Following the proposed mechanism, it is possible to control the layer thickness of the graphene/3C-SiC hybrid nanolaminate by manipulating the carbon concentration in the gas phase, which is further experimentally verified. The high electrical conductivity, large surface area porous structure, feasible integration on different substrates (metal, Mo; semiconductor, Si and 2H-SiC; insulator, diamond) of the graphene/3C-SiC hybrid nanolaminate as well as other unprecedented advantages of the nanolaminate structure make it very promising for applications in mechanical, energy, and sensor-related areas.
description.department[zhuang, hao ; heuser, steffen ; fu, haiyuan ; jiang, xin] univ siegen, inst mat engn, paul bonatz str 9-11, d-57076 siegen, germany ; [yang, bing ; huang, nan ; jiang, xin] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordSilicon Carbide Graphene Laminate Chemical Vapor Deposition Interface
Funding OrganizationDeutsche Forschungsgemeinschaft (DFG) [JI 22/24-1]; National Nature Science Foundation of China [51402309]
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WOS IDWOS:000369448200062
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
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GB/T 7714
Zhuang, Hao,Yang, Bing,Heuser, Steffen,et al. Graphene/3C-SiC Hybrid Nanolaminate[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(51):28508-28517.
APA Zhuang, Hao.,Yang, Bing.,Heuser, Steffen.,Huang, Nan.,Fu, Haiyuan.,...& Hybrid Nanolaminate.ACS APPLIED MATERIALS & INTERFACES,7(51),28508-28517.
MLA Zhuang, Hao,et al."Graphene/3C-SiC Hybrid Nanolaminate".ACS APPLIED MATERIALS & INTERFACES 7.51(2015):28508-28517.
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