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Synthesis of Nanoporous Gold Tubes
Author(s) -
Juarez Theresa,
Hodge Andrea M.
Publication year - 2016
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201500249
Subject(s) - nanoporous , materials science , homogenization (climate) , porosity , composite material , tube (container) , nanotechnology , biodiversity , ecology , biology
Hierarchical materials with tailored features provide promising structures for applications requiring light‐weight, yet strong, materials. In this study, a method for synthesizing nanoporous gold tubes as a hierarchical structure is presented. Samples are fabricated via electrodeposition, homogenization, and dealloying to generate a random porous network in the tube wall. Electrodeposition parameters are optimized by using a reverse pulse current setup. As‐prepared tubes exhibit a ligament diameter of approximately 45 nm and the hierarchy of the tubes is further altered by controlling the ligament size through heat treatments.