Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 74, Issue -, Pages 1-4Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2016.11.005
Keywords
ATR-SEIRAS; Cyanate; Cyanuric acid; Cyanurate; DFT; Au(111)
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Funding
- Ministerio de Economia y Competitividad [CTQ2013-44083-P]
- University of Alicante [VIGROB-263]
- F.P.I. grant [CTQ2009-13142]
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We report the formation of cyanuric acid species at Au(111) electrodes in cyanate-containing solutions, due to the electroless trimerization of isocyanic acid. Similar experimental bands in the range between 1300 and 1900 cm(-1) are observed in Surface Enhanced Infrared Reflection Spectroscopy experiments under Attenuated Total Reflection conditions (ATR-SEIRAS) with solutions containing either cyanate anions at high concentration or cyanuric acid. The experimental frequencies agree well with those obtained from Density Functional Theory (DFT) calculations for the adsorbed cyanurate anion, bonded to the metal in a tridentate configuration, with its molecular plane perpendicular to the metal surface. (C) 2016 Elsevier B.V. All rights reserved.
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