Molybdenum Complex as Potential Photosensitiser for Direct Water Splitting

Abstract:

Mononuclearmolybdenum complex with the general formula [MoTp*(NO)I(X)], where Tp* =tris(3,5-dimethylpyrazolyl)hidroborate and X =1,4-bis(pyridin-4-ylethynyl)benzene) was found to exhibit the required chemical and physical properties as a photosensitiser in photoelectrochemical cell. The complex was structurally characterised by infrared, UV-Vis and electrochemical analysis. TiO₂ electrode films were prepared by paste technique and characterised by SEM and XRD. Photoelectrochemical properties of [MoTp*(NO)I(X)]-sensitisedTiO₂ photoelectrode were carried out in 1.0 M NaOH electrolyte with a SCE reference electrode and a platinum counter electrode. The [MoTp*(NO)I(X)]-sensitised TiO₂ photoelectrode showed positive photoinduced current compared to unsensitised TiO₂ photoelectrode.

• Periodical: Materials Science Forum (Volume 756)
• Pages: 231-237
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.756.231
• Online since: May 2013
• Authors: Mark Lee Wun Fui, Law Kung Pui, Lee Yook Heng, Mohamad Bin Kassim
• Keywords: Molybdenum, Photoelectrochemical, Photosensitiser, Pyridyl, Tris(3,5-dimethylpyrazolyl)Hidroborate

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