Sökning: onr:"swepub:oai:DiVA.org:liu-202913" > Unraveling Enyne Bo...
Fältnamn | Indikatorer | Metadata |
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000 | 04893naa a2200433 4500 | |
001 | oai:DiVA.org:liu-202913 | |
003 | SwePub | |
008 | 240422s2024 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2029132 URI |
024 | 7 | a https://doi.org/10.1002/admi.2024002222 DOI |
040 | a (SwePub)liu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Lyu, Yuanhaou Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China4 aut |
245 | 1 0 | a Unraveling Enyne Bonding via Dehydrogenation-Hydrogenation Processes in On-Surface Synthesis with Terminal Alkynes |
264 | c 2024 | |
264 | 1 | b WILEY,c 2024 |
338 | a print2 rdacarrier | |
500 | a Funding Agencies|National Natural Science Foundation of China [12174431, 1192780039]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB30000000]; Swedish Research Council [2022-06725]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoeping University (Faculty Grant SFO-Mat-LiU) [2009-00971]; German Research Foundation (DFG); European Union [847471]; DFG Excellence Cluster e-conversion; Munich Quantum Center | |
520 | a On-surface reactions of terminal alkynes in ultrahigh vacuum have attracted widespread attention due to their high technological promise. However, employing different precursors and substrate materials often intricate reaction schemes appear far from being well-understood. Thus, recent investigations of alkyne coupling on noble metal surfaces suggest non-dehydrogenative scenarios, contradicting earlier reports. Herein, the study employs noncontact atomic force microscopy (nc-AFM) with high spatial resolution to conclusively characterize exemplary alkyne coupling products. Contrary to initial interpretations proposing dehydrogenative homocoupling on Ag(111), bond-resolved AFM imaging reveals the expression of enyne motifs. Based on complementary, extensive density functional theory calculations, the pertaining reaction mechanisms are explored. It is proposed that enyne formation initiates with a direct carbon-carbon coupling between two alkyne groups, followed by surface-assisted dehydrogenation-hydrogenation processes. Thereby consecutive steps of atomic hydrogen cleavage, surface migration and recombination to a different carbon atom enable bridging via carbon-carbon double bonding. The new results shed light on subtle, but crucial surface-mediated hydrogen transfer processes involved in the chemical bond formation, which are suggested to be of general relevance in on-surface synthesis. Terminal alkyne coupling on Ag(111) in ultrahigh vacuum is conclusively examined by bond-resolved atomic force microscopy and density functional theory modeling. The prevailing bonding motif is the enyne moiety, originating from a distinct surface-mediated dehydrogenation-hydrogenation reaction pathway. The findings highlight the important role of hydrogen transfer in the course of on-surface synthesis procedures. image | |
650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
653 | a density functional theory; graphdiyne; non-contact atomic force microscopy; on-surface synthesis; terminal alkyne | |
700 | 1 | a Gao, Fengu Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China4 aut |
700 | 1 | a Cheng, Pengu Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China4 aut |
700 | 1 | a Chen, Lanu Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Songshan Lake Mat Lab, Peoples R China4 aut |
700 | 1 | a Klyatskaya, Svetlanau Karlsruhe Inst Technol KIT, Germany4 aut |
700 | 1 | a Ruben, Mariou Karlsruhe Inst Technol KIT, Germany; Univ Strasbourg, France4 aut |
700 | 1 | a Rosén, Johannau Linköpings universitet,Materialdesign,Tekniska fakulteten4 aut0 (Swepub:liu)johro07 |
700 | 1 | a Barth, Johannes V.u Tech Univ Munich, Germany4 aut |
700 | 1 | a Björk, Jonasu Linköpings universitet,Materialdesign,Tekniska fakulteten4 aut0 (Swepub:liu)jonbj66 |
700 | 1 | a Wu, Kehuiu Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Songshan Lake Mat Lab, Peoples R China4 aut |
700 | 1 | a Zhang, Yi-Qiu Chinese Acad Sci, Peoples R China4 aut |
710 | 2 | a Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R Chinab Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Songshan Lake Mat Lab, Peoples R China4 org |
773 | 0 | t Advanced Materials Interfacesd : WILEYx 2196-7350 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-202913 |
856 | 4 8 | u https://doi.org/10.1002/admi.202400222 |
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