The dependence of the work function of Pt(1 1 1) on surface carbon investigated with near ambient pressure X-ray photoelectron spectroscopy

Applied Surface Science（2023）

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摘要

•Work function and carbon amount of Pt(111) surface were measured with AP-XPS.•Even a trace amount of surface carbon greatly lowers the work function of Pt(111).•It is necessary to control and monitor surface chemistry for a true work function.

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关键词

Ambient pressure XPS,Work function,Pt(111),Carbon contamination,SESSA

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