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Thermal selectivity...
Thermal selectivity of intermolecular versus intramolecular reactions on surfaces
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- Cirera, Borja (författare)
- IMDEA Nanoscience, c/Faraday 9, Cantoblanco,Madrid, Spain
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- Giménez-Agulló, Nelson (författare)
- Institute of Chemical Research of Catalonia, Barcelona Institute of Science and Technology, Avinguda Pa¨ısos Catalans 16, Tarragona, Spain
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- Björk, Jonas (författare)
- Linköpings universitet,Teoretisk kemi,Tekniska fakulteten
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- Martínez-Peña, Francisco (författare)
- IMDEA Nanoscience, c/Faraday 9, Cantoblanco,Madrid, Spain.
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- Martin-Jimenez, Alberto (författare)
- IMDEA Nanoscience, c/Faraday 9, Cantoblanco,Madrid, Spain.
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- Rodriguez-Fernandez, Jonathan (författare)
- Departamento de F´ısica de la Materia Condensada, Universidad Auto´noma de Madrid, c/Francisco Toma´s y Valiente
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- Pizarro, Ana M. (författare)
- IMDEA Nanoscience, c/Faraday 9, Cantoblanco,Madrid, Spain.
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- Otero, Roberto (författare)
- IMDEA Nanoscience, c/Faraday 9, Cantoblanco, 28049 Madrid, Spain,Universidad Auto´noma de Madrid, c/Francisco Toma´s y Valiente
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- Gallego, José M. (författare)
- Instituto de Ciencia de Materiales de Madrid, c/ Sor Juana Ine´s de la Cruz 3, Cantoblanco,Madrid, Spain.
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- Ballester, Pablo (författare)
- Institute of Chemical Research of Catalonia, Barcelona Institute of Science and Technology, Avinguda Pa¨ısos Catalans 16, Tarragona, Spain/Catalan Institutionfor Research and Advanced Studies, Passeig Lluis Companys 23, Barcelona, Spain.
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- Galan-Mascaros, José R. (författare)
- Institute of Chemical Research of Catalonia, Barcelona Institute of Science and Technology, Avinguda Pa¨ısos Catalans 16, Tarragona, Spain/Catalan Institutionfor Research and Advanced Studies, Passeig Lluis Companys 23, Barcelona, Spain.
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- Ecija, David (författare)
- IMDEA Nanoscience, c/Faraday 9, Cantoblanco, Madrid, Spain
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(creator_code:org_t)
- 2016-03-11
- 2016
- Engelska.
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Ingår i: Nature Communications. - : Nature Publishing Group. - 2041-1723. ; 7:11002
- Relaterad länk:
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https://doi.org/10.1...
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https://liu.diva-por... (primary) (Raw object)
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https://www.nature.c...
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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
- On-surface synthesis is a promising strategy for engineering heteroatomic covalent nanoarchitectures with prospects in electronics, optoelectronics and photovoltaics. Here we report the thermal tunability of reaction pathways of a molecular precursor in order to select intramolecular versus intermolecular reactions, yielding monomeric or polymeric phthalocyanine derivatives, respectively. Deposition of tetra-aza-porphyrin species bearing ethyl termini on Au(111) held at room temperature results in a close-packed assembly. Upon annealing from room temperature to 275 °C, the molecular precursors undergo a series of covalent reactions via their ethyl termini, giving rise to phthalocyanine tapes. However, deposition of the tetra-aza-porphyrin derivatives on Au(111) held at 300 °C results in the formation and self-assembly of monomeric phthalocyanines. A systematic scanning tunnelling microscopy study of reaction intermediates, combined with density functional calculations, suggests a [2+2] cycloaddition as responsible for the initial linkage between molecular precursors, whereas the monomeric reaction is rationalized as an electrocyclic ring closure.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Cirera, Borja
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Giménez-Agulló, ...
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Björk, Jonas
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Martínez-Peña, F ...
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Martin-Jimenez, ...
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Rodriguez-Fernan ...
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Pizarro, Ana M.
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Otero, Roberto
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Gallego, José M.
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Ballester, Pablo
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Galan-Mascaros, ...
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Ecija, David
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Fysikalisk kemi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Teoretisk kemi
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- NATURVETENSKAP
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NATURVETENSKAP
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Linköpings universitet