[3PS-105]
Nanoarchitectonics of Nanoporous Metal Film with Functional Polymers to Optimize Methanol Electrooxidation Activity
발표자김진보 (연세대학교 화공생명공학과 )
연구책임자김진보 (연세대학교 화공생명공학과 ), 김정훈 (연세대학교 화공생명공학과)
Abstract
Mesoporous gold (Au) films with tunable pores are expected to provide fascinating optical properties stimulated by the mesospaces, but they have not been realized yet because of the difficulty of controlling the Au crystal growth. Here, we report a reliable soft-templating method to fabricate mesoporous Au films using stable micelles of polymers, with electrochemical deposition advantageous for precise control of Au crystal growth. Strong field enhancement takes place around the center of the uniform mesopores as well as on the walls between the pores. Furthermore, the crystal structure of the nanoporous noble metal films has been controlled by the construction of secondary nanostructures by the pulsed electrodeposition method. By employing secondary deposition techniques, the nanoporous structure was preserved, while the crystal structure was adjusted to optimize electrochemical performance.