Supporting Online Material

Preferential Growth of Single-Walled Carbon Nanotubes with Metallic Conductivity
Avetik R. Harutyunyan, Gugang Chen, Tereza M. Paronyan, Elena M. Pigos, Oleg A. Kuznetsov, Kapila Hewaparakrama, Seung Min Kim, Dmitri Zakharov, Eric A. Stach, Gamini U. Sumanasekera

Supporting Online Material

This supplement contains:

Materials and Methods
Figs. S1 to S6
Table S1

This file is in Adobe Acrobat PDF format.

Other Supporting Online Material for this manuscript includes the following: (available at
Movies S1 and S2

Movie s1
TEM movie revealing reversible shape changes that the Fe particles undergo upon switching He/H2O to Ar/H2O gas at 500°C.

Movie s2
TEM movie of relatively larger catalyst sizes tracking the gradual defaceting of the hill-and-valley structure with increasing time at 500°C following the removal of He/H2O and addition of Ar/H2O.

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