화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.76, 388-395, August, 2019
DOI10.1016/j.jiec.2019.04.004  Export Citation
Chemical transformation of solution-processed Ag nanocrystal thin films into electrically conductive and catalytically active Pt-based nanostructures
Mingi Seong, Hoyoung Kim1, Ho Young Woo1, Md Ashraf Hossain, Jun Hyuk Ahn, Soo-Kil Kim1, Taejong Paik1, †, and Soong Ju Oh†
  • Department of Materials Science and Engineering, Korea University, Seoul, 02841, South Korea
  • 1School of Integrative Engineering, Chung-Ang University, Seoul, 06974, South Korea
E-mail:,
Efficient methods for the controlled syntheses of metal nanocrystals are important for emerging electronics and catalysis applications. In this report, we present a solution-based method for the fabrication of Pt-coated Ag nanocrystal (NC) thin films through the use of ligand-exchange and electroless deposition. We successfully prepared uniform or bumpy Ag@Pt core/shell structures, as well as Ag-Pt alloy structures, through control of the reducing agents. We first report the Ag-Pt alloy structures can be synthesized by low-temperature and solution-based process of post treatment that exhibited high catalytic activity toward the hydrogen evolution reaction.
Keywords:Silver nanocrystal;Pt-Ag alloy structure;Electroless deposition;Galvanic displacement;Hydrogen evolution reaction
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