Seed induced growth of binary Ag/Au nanostructures on a graphite surface | Zendy

Nathalie LidgiGuigui | Zendy; Paul A. Mulheran | Zendy; Richard E. Palmer | Zendy

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Seed induced growth of binary Ag/Au nanostructures on a graphite surface

Author(s) -

Nathalie LidgiGuigui,

Paul A. Mulheran,

Richard E. Palmer

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2988188

Subject(s) - nanoclusters , graphite , deposition (geology) , materials science , nanostructure , cluster (spacecraft) , nanotechnology , surface diffusion , diffusion , nanoparticle , chemical engineering , metallurgy , chemistry , adsorption , physics , paleontology , sediment , computer science , engineering , biology , programming language , thermodynamics

The growth of Ag on a graphite surface decorated by size selected Au "seed" nanoclusters is investigated. Compared with the behavior on bare graphite, the deposition of the Au clusters decreases the lateral diffusion of Ag atoms and enables the growth of Ag/Au nanostructures on/around the top of the initial Au clusters. Depending on the Au cluster shape, which can be tuned by the cluster deposition energy, Ag deposition either leads to 2 ML high platelets or three-dimensional nanoclusters. This cluster seeding technique shows potential for the rapid production of binary model catalysts, biochips, and optical films

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