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Updated: Dec 30, 2025

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures
Published on: July 2, 2012
Shortest Double-Walled Carbon Nanotubes Composed of Cycloparaphenylenes
Sigma Hashimoto1, Takahiro Iwamoto1, Daisuke Kurachi1
1Institute for Chemical Research, Kyoto University, Kyoto, 611-0011, Japan.
Abstract:
Invited for this month's cover is the group of Prof. Dr. Shigeru Yamago at the Kyoto University (Japan). The image shows the host-guest possibilities of cycloparaphenylenes (CPPs) of different sizes. Size selective interaction between [n]CPP and [n+5]CPP affords a host-guest complex, [n+5]CPP⊃[n]CPP, which is the shortest double-walled armchair carbon nanotube. The size-selective complex formation illustrates the importance of van der Waals interactions. A ternary complex, [15]CPP⊃[10]CPP⊃C60 , also forms from [15]CPP, [10]CPP, and C60 . Read the full text of the article at 10.1002/cplu.201700097.
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