Frontiers of Near Ambient Pressure X-ray Photoelectron Spectroscopy

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  • 準大気圧光電子分光の最前線

Abstract

<p>X-ray Photoelectron Spectroscopy (XPS) is widely used as one of the primary techniques for investigating the surface chemical composition of materials. In recent years, there has been a significant increase in the demand to observe the electronic states associated with chemical reactions under operating conditions close to real environments, such as in fuel cells and catalytic materials. To address this need, Near Ambient Pressure X-ray Photoelectron Spectroscopy (NAP-XPS) instruments have been developed and continuously improved. This article introduces atmospheric pressure photoelectron spectroscopy at pressures of several bars and provides data examples. Additionally, we present software technology designed to visualize spatiotemporal-resolved data expected to be obtained in the future using this measurement technique.</p>

Journal

  • Vacuum and Surface Science

    Vacuum and Surface Science 67 (3), 112-116, 2024-03-10

    The Japan Society of Vacuum and Surface Science

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