Nanobuds promote heat welding of carbon nanotubes at experimentally- relevant temperatures

XM Yang and YH Huang and LJ Wang and ZH Han and AC To, RSC ADVANCES, 4, 56313-56317 (2014).

DOI: 10.1039/c4ra08890e

Direct heat welding of commonly found single-walled carbon nanotubes (SWCNTs) (i.e. diameters >1 nm) requires a temperature of >4000 K which is too high to be practical. This work reports a novel welding method of SWCNTs at experimentally-relevant temperature by means of nanobuds to facilitate C-C bonded junction formation between the nanotubes. Through molecular dynamics (MD) simulations, it is demonstrated that SWCNTs independent of their diameters can be welded together using the proposed method even at a temperature below 1500 K.

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