Abstract <p>This study is dedicated to exploring the electroless Pd–Ag plating process. The conditional formation constants of Pd and Ag ions with respect to the pH of the plating solution were determined. Leveraging the electrode potential equations of metals, the co-deposition conditions were investigated by altering the pH and Na<sub>2</sub>EDTA concentration. Through this research, specific plating parameters were obtained, and a 78.7Pd-21.3Ag/α-Al<sub>2</sub>O<sub>3</sub> film was successfully fabricated via electroless plating. The composition of the prepared film was analyzed using X-ray diffraction (XRD), providing experimental evidence for the research findings. This research not only deepens the understanding of the electroless Pd–Ag plating mechanism but also offers valuable parameters for the preparation of Pd–Ag alloy membranes with excellent performance.</p>

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Investigation on the Simultaneous Deposition Condition of Pd and Ag in Electroless Plating

  • Cholman Pak,
  • Songmin Kim,
  • Iljin Pak,
  • Yongjin Cha,
  • Munsik Kang

摘要

Abstract

This study is dedicated to exploring the electroless Pd–Ag plating process. The conditional formation constants of Pd and Ag ions with respect to the pH of the plating solution were determined. Leveraging the electrode potential equations of metals, the co-deposition conditions were investigated by altering the pH and Na2EDTA concentration. Through this research, specific plating parameters were obtained, and a 78.7Pd-21.3Ag/α-Al2O3 film was successfully fabricated via electroless plating. The composition of the prepared film was analyzed using X-ray diffraction (XRD), providing experimental evidence for the research findings. This research not only deepens the understanding of the electroless Pd–Ag plating mechanism but also offers valuable parameters for the preparation of Pd–Ag alloy membranes with excellent performance.