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Adsorption and dehydrogenation of tetrahydroxybenzene on Cu(111).

Authors
  • Bebensee, Fabian
  • Svane, Katrine
  • Bombis, Christian
  • Masini, Federico
  • Klyatskaya, Svetlana
  • Besenbacher, Flemming
  • Ruben, Mario
  • Hammer, Bjørk
  • Linderoth, Trolle
Type
Published Article
Journal
Chemical Communications
Publisher
The Royal Society of Chemistry
Publication Date
Oct 18, 2013
Volume
49
Issue
81
Pages
9308–9310
Identifiers
DOI: 10.1039/c3cc45052j
PMID: 23999460
Source
Medline
License
Unknown

Abstract

Adsorption of tetrahydroxybenzene (THB) on Cu(111) and Au(111) surfaces is studied using a combination of STM, XPS, and DFT. THB is deposited intact, but on Cu(111) it undergoes gradual dehydrogenation of the hydroxyl groups as a function of substrate temperature, yielding a pure dihydroxy-benzoquinone phase at 370 K. Subtle changes to the adsorption structure upon dehydrogenation are explained from differences in molecule-surface bonding.

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