화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.17, No.3, 187-191, March, 2009
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Synthesis of Platinum Nanoparticles Using Electrostatic Stabilization and Cluster Duplication of Perfluorinated Ionomer
Pyoung-Chan Lee, Dong Ouk Kim, Tai-Hoon Han, Soo-Jung Kang, Lyong Sun Pu, Jae-Do Nam†, Byung Woo Kim1, and Jun-Ho Lee2
  • Department of Polymer Science and Engineering, SAINT, Sungkyunkwan University, Suwon 440-746, Korea
  • 1Department of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Korea
  • 2Polymer Technology Institute, Sungkyunkwan University, Suwon 440-746, Korea
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Platinum (Pt) nanoparticles were prepared by the liquid-phase reduction of tetraammineplatinum (II) chloride ([Pt(NH3)4]Cl2) using Nafion as a stabilizer under various conditions of the Nafion phase. This method is novel in its use of electrostatic interactions between the Pt complex ions and sulfonic groups in the hydrated Nafion molecules. The synthesized Pt nanoparticles of the recast film system had a cubic shape. In the case of the Nafion solution system, the Pt nanoparticles mainly had a spherical shape. The shapes and sizes of the Pt nanoparticles were strongly influenced by the Nafion phase.
Keywords:Nafion;cluster duplication;platinum nanoparticles.
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