This article describes the use of an optical fiber attachment for spectro-electrochemical studies. The reduction of CoPc in DMF and its reaction with CO2 were investigated using an optical fiber probe. The advantages of using an optical fiber probe include flexibility, convenience, and suitability for electro-catalysis research.
The document details a method for conducting spectro-electrochemical studies on metalloporphyrins, specifically the reduction of cobalt(II) phthalocyanine (CoPc). It highlights the advantages of using an optical fiber probe over conventional OTTLE cells, such as the ability to use standard electrochemical cells and introduce reactants like CO2 after electrolysis.
The reduction is performed at an applied potential of -1.8 V vs SCE.
The spectral changes are observed between 350 and 820 nm.
The experiments use a supporting electrolyte concentration of 0.1 M.