HARRICK PLASMA

Substrate-bound growth of Au-Pd diblock nanowire and hybrid nanorod-plate

We expand the scope of the previously developed Active Surface Growth mode for growing substrate-bound ultrathin Pd (d= 4 nm) and Ag nanowires (d= 30 nm) in aqueous solution under ambient conditions. Using Au nanorods as the seeds, selective growth at the contact line between the rod and the substrate eventually leads to an attached Pd nanoplate. The unique growth mode also allows sequential growth of different materials via a single seed, giving substrate-bound Au-Pd diblock nanowires. The new abilities to use seed shape to pre-define the active sites and to apply sequential growth open windows for new pathways to hybrid nanostructures.

He, Jiating, Yawen Wang, Zhanxi Fan, Zhenhui Lam, Hua Zhang, Bin Liu, Hongyu Chen

Nanoscale

7

8115-8121

2015

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