 ISSN 0235-7216
ISSN 2424-4538 (online)
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2017 m. Nr. 1
 Raman spectroelectrochemical study of electrodeposited Prussian blue layer: dependence of spectral intensity on underlying electrode roughness
Regina MAŽEIKIENĖ, Gediminas NIAURA, Albertas MALINAUSKAS
Prussian blue (PB) has been electrodeposited at a smooth and at an electrochemically roughened gold electrodes as a thin layer of a few tens of nmol/cm2 coverage (or a few tens of nanometers thick), and studied by Raman spectroelectrochemical technique using 785-nm laser excitation. It has been shown that the spectra obtained from a roughened electrode are by one order of magnitude more intense than those obtained from a smooth electrode. This shows that even at a relative thick layer of a modifier PB the surface enhancement of Raman spectra plays an important role in obtaining well-defined spectra from modified electrodes.
: Keywords: Raman spectroscopy, spectroelectrochemistry, modified electrode, Prussian blue
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