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r XXXX American Chemical Society A dx.doi.org/10.1021/nl1039956 |Nano Lett. XXXX, XXX, 000000 pubs.acs.org/NanoLett
 

Summary: r XXXX American Chemical Society A dx.doi.org/10.1021/nl1039956 |Nano Lett. XXXX, XXX, 000000
LETTER
pubs.acs.org/NanoLett
Synthesis of Platinum Dendrites and Nanowires Via Directed
Electrochemical Nanowire Assembly
Jason K. Kawasaki
and Craig B. Arnold*
Department of Mechanical and Aerospace Engineering and Princeton Institute for the Science and Technology of Materials (PRISM),
Princeton University, Princeton, New Jersey 08544, United States
ABSTRACT: Directed electrochemical nanowire assembly is a
promising high growth rate technique for synthesizing electri-
cally connected nanowires and dendrites at desired locations.
Here we demonstrate the directed growth and morphological
control of edge-supported platinum nanostructures by applying
an alternating electric field across a chloroplatinic acid solution.
The dendrite structure is characterized with respect to the
driving frequency, amplitude, offset, and salt concentration
and is well-explained by classical models. Control over the tip
diameter, side branch spacing, and amplitude is demonstrated,
opening the door to novel device architectures for sensing and

  

Source: Arnold, Craig B. - Department of Mechanical and Aerospace Engineering, Princeton University

 

Collections: Engineering; Materials Science