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Fig. 18 | Nanoscale Research Letters

Fig. 18

From: Carbon Nanotube Assembly and Integration for Applications

Fig. 18

a TEM image of a MWCNT Y-junction nanotube grown by CVD using branched nanochannel anodic alumina templates. The grown Y-junctions were reported to be 6 to 10 μm in length with tunable diameters. Adapted from [159]. b TEM image of MWCNT Y-junction nanotube grown using Ti-doped Fe catalysts. Catalyst present at the junction (shown as A) leads to the formation of the two branches. B shows a Y-junction grown from catalyst particles that attach on the walls of the nanotube. C represents a catalyst nanoparticle that does not lead to further branching. Adapted from [161]

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