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The Role of Metal A...
The Role of Metal Adatoms in a Surface-Assisted Cyclodehydrogenation Reaction on a Gold Surface
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- Björk, Jonas, 1983- (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten
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- Sanchez-Sanchez, Carlos (författare)
- Swiss Fed Labs Mat Sci & Technol, Switzerland; Inst Mat Sci Madrid ICMM CSIC, Spain
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- Chen, Qiang (författare)
- Max Planck Inst Polymer Res, Germany; Univ Oxford, England
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- Pignedoli, Carlo A. (författare)
- Swiss Fed Labs Mat Sci & Technol, Switzerland
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- Rosén, Johanna, 1975- (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten
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- Ruffieux, Pascal (författare)
- Swiss Fed Labs Mat Sci & Technol, Switzerland
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- Feng, Xinliang (författare)
- Tech Univ Dresden, Germany; Tech Univ Dresden, Germany
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- Narita, Akimitsu (författare)
- Max Planck Inst Polymer Res, Germany; Okinawa Inst Sci & Technol Grad Univ, Japan
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- Mullen, Klaus (författare)
- Max Planck Inst Polymer Res, Germany
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- Fasel, Roman (författare)
- Swiss Fed Labs Mat Sci & Technol, Switzerland; Univ Bern, Switzerland
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(creator_code:org_t)
- 2022-11-08
- 2022
- Engelska.
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Ingår i: Angewandte Chemie International Edition. - : Wiley-V C H Verlag GMBH. - 1433-7851 .- 1521-3773. ; 61:49
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Dehydrogenation reactions are key steps in many metal-catalyzed chemical processes and in the on-surface synthesis of atomically precise nanomaterials. The principal role of the metal substrate in these reactions is undisputed, but the role of metal adatoms remains, to a large extent, unanswered, particularly on gold substrates. Here, we discuss their importance by studying the surface-assisted cyclodehydrogenation on Au(111) as an ideal model case. We choose a polymer theoretically predicted to give one of two cyclization products depending on the presence or absence of gold adatoms. Scanning probe microscopy experiments observe only the product associated with adatoms. We challenge the prevalent understanding of surface-assisted cyclodehydrogenation, unveiling the catalytic role of adatoms and their effect on regioselectivity. The study adds new perspectives to the understanding of metal catalysis and the design of on-surface synthesis protocols for novel carbon nanomaterials.
Ämnesord
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Nyckelord
- Cyclodehydrogenation; Density Functional Theory; Reaction Mechanisms; Scanning Probe Microscopy; On-Surface Synthesis
Publikations- och innehållstyp
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Björk, Jonas, 19 ...
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Sanchez-Sanchez, ...
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Chen, Qiang
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Pignedoli, Carlo ...
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Rosén, Johanna, ...
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Ruffieux, Pascal
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visa fler...
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Feng, Xinliang
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Narita, Akimitsu
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Mullen, Klaus
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Fasel, Roman
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Organisk kemi
- Artiklar i publikationen
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Angewandte Chemi ...
- Av lärosätet
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Linköpings universitet