Morphological Control of Tapered and Multi‐Junctioned Carbon Tubular Structures

Abstract

Thin walled, carbon tubular structures (see Figure and also cover) with varying inner diameters in the form of nozzles, straight tubes, tube‐on‐cones, and funnels have been synthesized by in‐situ control of gallium‐carbon wetting behavior using gas phase chemistry. In addition, carbon tubular structures with large internal diameters have been coalesced during growth to create Y‐junctions suitable for micro/nano‐fluidic applications.