PhD student receives poster prize at Midlands Electrochemistry Group meeting

Marian Perera has been awarded a prize for her poster presented at the regional sub-set of the RSC Electrochemistry Group's one-day student meeting. Her poster titled, "Application of the combined electrochemical quartz crystal microbalance and probe beam deflection technique for Ag-Bi Alloy Film Deposition and Dissolution in deep eutectic solvents", reports the results of her Ph.D work for Professors Rob Hillman and Karl Ryder.

Marian’s research involves fabrication and characterisation of metal films and investigating electrode-electrolyte interfacial kinetics during metal deposition-dissolution. Ag-Bi alloys can produce coatings with enhanced hardness, wear resistance, decreased porosity and thence better resistance to corrosion. Marian is currently investigating the possibility of these alloys being deposited from an environmentally benign medium Deep Eutectic Solvents. For the winning poster, she reported observations of the deposition of metal films using the combined electrochemical quartz crystal microbalance (EQCM) / probe beam deflection (PBD) technique. The data obtained through the experiments have been used to deduce mechanistic details of film deposition and alloy component interdiffusion.  Experiments conducted thus far indicate  that it is possible to electrodeposit Ag/Bi alloys with bismuth content exceeding 7 %. This feat which allows for formulation of novel alloys, could not be achieved in conventional, aqueous electrolytes.

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