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Friday, March 21, 2014
 

Aug 2014
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Today is:
Sat, Aug 23, 2014

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10:00am
to
11:30am
  On the Role of Benzotriazole in Passivating Copper Surfaces  
(Lectures/Talks)

Federico Grillo, Ph.D.
EaStCHEM and School of Chemistry, University of St. Andrews (UK)

Benzotriazole (BTAH) has been used as a copper corrosion inhibitor since the 1950s. Several adsorption models have been proposed, however the details of how adsorption and surface passivation occur remain a matter of debate. From the onset of adsorption, to saturation coverage and beyond, BTAH interaction with copper surfaces has been investigated under ultra-high vacuum conditions via vibrational spectroscopy (RAIRS, HREELS) and STM, with support from DFT calculations. The selectivity of BTAH for copper is further investigated onto a copper-doped Au(111) surface. This study may contribute to understanding further the interaction between BTAH and Cu, and in turn the mechanism for surface passivation.


Location: ERB 228
Price: free
   
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