Hybrid Nanomaterial Architectures: Combining Layers of Carbon Nanowalls, Nanotubes, and Particles
2018
The paper focuses on the integration in hybrid architectures of plasma produced nanomaterials. The routes for the fabrication of layered structures consisting of carbon nanowalls on carbon nanotubes (CNW/CNT), of carbon nanotubes on carbon nanowalls (CNT/CNW), and nanoparticles on carbon nanowalls (NP/CNW) are presented. The morphology and structure of the hybrid architectures were investigated by electron microscopy techniques. We show that higher substrate temperature promotes the formation of high mass hydrogenated carbon clusters which favors the dominance of CNW growth over that of CNT. On this basis, a procedure of obtaining CNT/CNW architectures by switching the growth regime via substrate temperature is described. The specific limitations or advantages concerning the control or the properties of the obtained architectures are discussed.
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