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Determination of the Electrochemically Active Surface Area of PbSe and Bi2Te3 Films Using the Deposition of Lead Atoms

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Electrochemical deposition of an atomic layer of Pb (underpotential deposition (upd)) was used to determine the electrochemically active surface area of PbSe and Bi2Te3 films obtained under various electrodeposition conditions.… Click to show full abstract

Electrochemical deposition of an atomic layer of Pb (underpotential deposition (upd)) was used to determine the electrochemically active surface area of PbSe and Bi2Te3 films obtained under various electrodeposition conditions. The investigations were carried out by cyclic voltammetry and scanning electron microscopy. It was shown that underpotential deposition of Pb atomic layers on PbSe makes it possible to trace the change in the PbSe area during film growth and also to compare the areas of Bi2Te3 films with different surface morphology.

Keywords: bi2te3 films; active surface; area; deposition; electrochemically active

Journal Title: Theoretical and Experimental Chemistry
Year Published: 2019

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