Facile Identification of Carbon Nanotube's Crystal Orientation Using Epitaxial Growth of AuCN Nanowires

초록

This work presents a facile method for identifying the crystal orientations of carbon nanotubes (CNTs) using the directional alignment between epitaxially grown AuCN nanowires and the underlying CNT. We analyzed and determined the chiral indices of multiple CNTs in a local area by measuring the nanowire's angles. In our experimental study, we confirmed that these nanowires can indicate the crystal orientations of single-wall carbon nanotubes (SWCNTs) with acceptable accuracy and can be easily removed via a simple wet-etching process. © 2025 IEEE.

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