In Situ Study of the Gas-Phase Electrolysis of Water on Platinum by NAP-XPS

被引：129

作者：

Arrigo, Rosa ^{[1
,3
]}

Haevecker, Michael ^{[2
]}

Schuster, Manfred E. ^{[1
]}

Ranjan, Chinmoy ^{[3
]}

Stotz, Eugen ^{[1
]}

Knop-Gericke, Axel ^{[1
]}

Schloegl, Robert ^{[1
,3
]}

机构：

[1] Max Planck Gesell, Fritz Haber Inst, Abt Anorgan Chem, D-14195 Berlin, Germany

[2] BESSY II, Helmholtz Zentrum Berlin Mat & Energie, D-12489 Berlin, Germany

[3] Max Planck Inst Chem Energiekonvers, D-45470 Mulheim, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2013年 / 52卷 / 44期

关键词：

Nafion; platinum; water electrolysis; X-ray photoelectron spectroscopy; OXYGEN EVOLUTION REACTION; OXIDE-FILMS; ELECTRODES; ELECTROCATALYSIS; NANOPARTICLES; ANODIZATION; OXIDATION; KINETICS; PT(111); LAYER;

D O I：

10.1002/anie.201304765

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Chasing down the active state: Near-ambient-pressure X-ray photoelectron spectroscopy was used to study the surface of a Pt electrode during the oxygen evolution reaction (OER). A hydrated Pt metal phase with dissolved oxygen in the near-surface region is OER-active and considered to be the precursor of the analytically detected PtO2, which is in fact the deactivation product of the electrode. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：11660 / 11664

页数：5

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