Absence of Oxidized Phases in Cu under CO Reduction Conditions

被引：112

作者：

Scott, Soren B. ^{[1
]}

Hogg, Thomas V. ^{[1
]}

Landers, Alan T. ^{[2
,4
]}

Maagaard, Thomas ^{[1
]}

Bertheussen, Erlend ^{[1
]}

Lin, John C. ^{[2
,5
]}

Davis, Ryan C. ^{[3
]}

Beeman, Jeffrey W. ^{[6
,7
]}

Higgins, Drew ^{[2
,5
]}

Drisdell, Walter S. ^{[6
,7
]}

Hahn, Christopher ^{[2
,5
]}

Mehta, Apurva ^{[3
]}

Seger, Brian ^{[1
]}

Jaramillo, Thomas F. ^{[2
,5
]}

Chorkendorff, Ib ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Phys, Sect Surface Phys & Catalysis, DK-2800 Lyngby, Denmark

[2] SLAC Natl Accelerator Lab, Ctr Interface Sci & Catalysis, Menlo Pk, CA 94025 USA

[3] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA

[4] Stanford Univ, Dept Chem, Stanford, CA 94305 USA

[5] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA

[6] Lawrence Berkeley Natl Lab, Joint Ctr Artifcial Photosynth, Berkeley, CA 94720 USA

[7] Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA

来源：

ACS ENERGY LETTERS | 2019年 / 4卷 / 03期

基金：

美国国家科学基金会;

关键词：

ELECTROCHEMICAL REDUCTION; COPPER-CATALYSTS; IN-SITU; ELECTROREDUCTION;

D O I：

10.1021/acsenergylett.9b00172

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

By live-monitoring Cu and Cu2O Bragg peaks from the surface of a polycrystalline Cu electrode while scanning from open-circuit potential to CO reduction potentials, we show that the near-surface region is fully converted to the metallic phase at approximately +0.3 V vs RHE.

引用

页码：803 / 804

页数：3

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