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Stabilization of Cu...
Stabilization of Cu2O through Site-Selective Formation of a Co1Cu Hybrid Single-Atom Catalyst
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- Wang, Chunlei (author)
- KTH Royal Institute of Technology,KTH,Material- och nanofysik
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- Kong, Yuan (author)
- Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China.;Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China.;Univ Sci & Technol China, CAS Ctr Excellence Nanosci, Hefei 230026, Anhui, Peoples R China.;Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Anhui, Peoples R China.;Univ Sci & Technol China, Key Lab Surface & Interface Chem & Energy Catalys, Anhui Higher Educ Inst, Hefei 230026, Anhui, Peoples R China.,University of Science and Technology of China
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- Soldemo, Markus (author)
- KTH Royal Institute of Technology,KTH,Material- och nanofysik
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- Wu, Zongfang (author)
- KTH Royal Institute of Technology,KTH,Material- och nanofysik
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- Tissot, Heloise (author)
- Aix Marseille Univ, UMR 7325, CINaM, CNRS, F-13288 Marseille, France.,Aix-Marseille University
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- Karagoz, Burcu (author)
- Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.,Brookhaven National Laboratory
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- Marks, Kess (author)
- KTH Royal Institute of Technology,KTH,Material- och nanofysik
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- Stenlid, Joakim Halldin (author)
- SLAC Natl Accelerator Lab, SUNCAT Ctr Interface Sci & Catalysis, Menlo Pk, CA 94025 USA.;Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA.,Stanford University,Stanford Linear Accelerator Center (SLAC)
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- Shavorskiy, Andrey (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Kokkonen, Esko (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Kaya, Sarp (author)
- Koc Univ, Dept Chem, Energy Ctr KUTEM, Koc Univ Tupras, TR-34450 Istanbul, Turkey.,Koc University
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- Stacchiola, Dario J. (author)
- Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.,Brookhaven National Laboratory
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- Weissenrieder, Jonas (author)
- KTH Royal Institute of Technology,KTH,Material- och nanofysik
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(creator_code:org_t)
- 2022-02-03
- 2022
- English.
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In: Chemistry of Materials. - : American Chemical Society (ACS). - 0897-4756 .- 1520-5002. ; 34:5, s. 2313-2320
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Abstract
Subject headings
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- Single-atom catalysts (SACs) consist of a low coverage of isolated metal atoms dispersed on a metal substrate, called single-atom alloys (SAAs), or alternatively single metal atoms coordinated to oxygen atoms on an oxide support. We present the synthesis of a new type of Co1Cu SAC centers on a Cu2O(111) support by means of a site-selective atomic layer deposition technique. Isolated metallic Co atoms selectively coordinate to the native oxygen vacancy sites (Cu sites) of the reconstructed Cu2O(111) surface, forming a Co1Cu SAA with no direct Co- Ox bonds. The centers, here referred to as Co1Cu hybrid SACs, are found to stabilize the active Cu+ sites of the low-cost Cu2O catalyst that otherwise is prone to deactivation under reaction conditions. The stability of the Cu2O(111) surface was investigated by synchrotron radiation-based ambient-pressure X-ray photoelectron spectroscopy under reducing CO environment. The structure and reduction reaction are modeled by density functional theory calculations, in good agreement with experimental results.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Wang, Chunlei
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Kong, Yuan
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Soldemo, Markus
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Wu, Zongfang
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Tissot, Heloise
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Karagoz, Burcu
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show more...
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Marks, Kess
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Stenlid, Joakim ...
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Shavorskiy, Andr ...
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Kokkonen, Esko
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Kaya, Sarp
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Stacchiola, Dari ...
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Weissenrieder, J ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Metallurgy and M ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
- Articles in the publication
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Chemistry of Mat ...
- By the university
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Royal Institute of Technology
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Lund University