Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7873832 | Synthetic Metals | 2016 | 7 Pages |
Abstract
In this paper, we present a novel method for graphene nanoribbons formation using nickel nanowires as templates. Modification of electrochemical procedure for nickel nanowires synthesis was introduced by implementing graphene quantum dots as a carbon source. Thus, nickel nanowires with graphene quantum dots were prepared. These wires were exposed to rapid thermal annealing at high temperatures (500 °C, 700 °C and 800 °C). During this process carbon atoms dissolve in metal and precipitate to the nickel surface forming nickel-carbon nanowires. Atomic force microscopy, scanning electron microscopy and Raman spectroscopy were characterization methods used for analysis of changes in nickel-carbon nanowires properties depending on the different annealing temperatures. After etching nickel with nitric acid, graphene nanoribbons with average diameters of 32 nm and average lengths of 4 μm were obtained.
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Physical Sciences and Engineering
Materials Science
Biomaterials
Authors
D. Tosic, Z. Markovic, S. Jovanovic, J. Prekodravac, M. Budimir, D. Kepic, I. Holclajtner-Antunovic, M. Dramicanin, B. Todorovic-Markovic,