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Abstract <p>This study investigates the effect of hydrogen exposure on magnetron-sputtered films of platinum group metals (Pd, Au/Pd, and Pt) with thicknesses ranging from 25 to 350 nm. The films were characterized using optical spectroscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. Their electrical resistance was measured by the four-probe method. The results of studying the interaction of hydrogen with Pd, Au/Pd, and Pt reveal differences in their reactivity, including active reduction of PdO in palladium, moderate absorption in platinum, and stability of composite Au/Pd films. These study findings have significant potential for the development of hydrogen sensors and catalysts.</p>

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The Influence of Hydrogen on Films of Noble Metals (Pd, Pt, Au/Pd)

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. A. Nastulyavichus,
  • N. A. Smirnov,
  • E. V. Ulturgasheva,
  • S. P. Babina,
  • D. A. Zayarnyi,
  • N. S. Pokryshkin,
  • A. O. Levchenko,
  • Pham Hong Minh,
  • Pham Van Duong,
  • S. I. Kudryashov

摘要

Abstract

This study investigates the effect of hydrogen exposure on magnetron-sputtered films of platinum group metals (Pd, Au/Pd, and Pt) with thicknesses ranging from 25 to 350 nm. The films were characterized using optical spectroscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. Their electrical resistance was measured by the four-probe method. The results of studying the interaction of hydrogen with Pd, Au/Pd, and Pt reveal differences in their reactivity, including active reduction of PdO in palladium, moderate absorption in platinum, and stability of composite Au/Pd films. These study findings have significant potential for the development of hydrogen sensors and catalysts.