Journal
NANOSCALE
Volume 5, Issue 12, Pages 5269-5273Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00724c
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Funding
- EKC Technology Limited
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Benzotriazole (BTAH) has been used as a copper corrosion inhibitor since the 1950s; however, the molecular level detail of how inhibition occurs remains a matter of debate. The onset of BTAH adsorption on a Cu(111) single crystal was investigated via scanning tunnelling microscopy (STM), vibrational spectroscopy (RAIRS) and supporting DFT modelling. BTAH adsorbs as anionic (BTA), CuBTA is a minority species, while Cu(BTA)(2), the majority of the adsorbed species, form chains, whose sections appear to diffuse in a concerted manner. The copper surface appears to reconstruct in a (2 x 1) fashion.
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