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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Baddeley, Christopher John
University of St Andrews
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Understanding the passivation layer formed by tolyltriazole on copper, bronze, and brass surfaces
- 2022Highly ordered N-heterocyclic carbene monolayers on Cu(111)citations
- 2022Surface confined hydrogenation of graphene nanoribbonscitations
- 2022Adsorption of the prototypical organic corrosion inhibitor benzotriazole on the Cu(100) surfacecitations
- 2016Metallosupramolecular assembly of Cr and p-terphenylnitrile by dissociation of metal carbonyls on Au(111)citations
- 2006The growth of ultrathin Au films on Ni{1 1 1}citations
- 2004An investigation of the adsorption of (R,R)-tartaric acid on oxidised Ni{1 1 1} surfacescitations
- 2003Structural and compositional analysis of two near-surface alloys produced by adsorption and thermal decomposition of Mo(CO) 6 on Ni{111)citations
Places of action
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article
Adsorption of the prototypical organic corrosion inhibitor benzotriazole on the Cu(100) surface
Abstract
The interaction of benzotriazole (BTAH) with Cu(100) has been studied as a function of BTAH exposure in a joint experimental and theoretical effort. Scanning tunnelling microscopy (STM), X-ray photoelectron spectroscopy (XPS), high resolution electron energy loss spectroscopy (HREELS) and density functional theory (DFT) calculations have been combined to elucidate the structural and chemical characteristics of this system. BTAH is found to deprotonate upon adsorption on the copper surface and to adopt an orientation that depends on the molecular coverage. Benzotriazolate (BTA) species initially lie with their planes parallel to the substrate but, at a higher molecular coverage, a transition occurs to an upright adsorption geometry. Upon increasing the BTAH exposure, different phases of vertically aligned BTAs are observed with increasing molecular densities until a final, self-limiting monolayer is developed. Both theory and experiment agree in identifying CuBTA and Cu(BTA)2 metal-organic complexes as the fundamental building blocks of this monolayer. This work shows several similarities with the results of previous studies on the interaction of benzotriazole with other low Miller index copper surfaces, thereby ideally completing and concluding them. The overall emerging picture constitutes an important starting point for understanding the mechanism for protection of copper from corrosion.