An Electron Diffraction Study on Mixed PdCI2/SnCI2 Catalysts for Electroless Plating

Tetsuya Osaka, Hideaki Nagasaka, Fumio Goto

研究成果: Article査読

45 被引用数 (Scopus)

抄録

The activated or catalyzed surface conditions for initiating electroless metal deposition were studied by means of transmission electron microscopy and electron diffraction analysis. Four mixed PdCI2/SnCI2 catalysts, including two commercial samples, and five accelerators (NaOH, HC1, H2SO4, NH4OH, and NH4BF4) were used in this study. The acceleration with NaOH gave the finest remaining particles which were almost bare active nuclei, while the acceleration with ammonate group (NH4OH and NH4BF4) coagulated small particles to produce high density particles. The electron diffraction patterns after activation, for the catalysts prepared in our laboratory, showed amorphous broad diffraction rings which were explained as fee structure, while for the commercial catalysts, they showed relatively sharp and netlike profiles which could be attributed to orthorhombic structure. The electron diffraction patterns after acceleration with NaOH became the sharper profiles of fee structure, however in the case of ammonate group, they showed the complicated profiles of non-fee structure. Finally the catalytically active sites or nuclei are discussed.

本文言語English
ページ(範囲)2343-2346
ページ数4
ジャーナルJournal of the Electrochemical Society
127
11
DOI
出版ステータスPublished - 1980 11

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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