title: Semiconducting composite oxide Y2CuO4-5CuO thin films for investigation of photoelectrochemical properties.
abstract: An octa-nuclear heterobimetallic complex [Y2Cu6Cl0.7(dmae)6(OAc)7.3(OH)4(H2O)2]·3H2O·0.3CH3C6H5 (dmae = dimethylaminoethanoate; OAc = acetato) was synthesized, characterized by melting point analysis, elemental analysis, FT-IR, and single crystal X-ray diffraction analysis and implemented at 600 °C under an oxygen atmosphere for the deposition of Y2CuO4-5CuO composite thin films by aerosol assisted chemical vapor deposition (AACVD). The chemical composition and surface morphology of the deposited thin film have been determined by X-ray diffraction, scanning electron microscopy and energy dispersive X-ray analysis that suggest the formation of impurity-free crystallite mixtures of the Y2CuO4-5CuO composite, with well-defined evenly distributed particles in the size range of 19-24 nm. An optical band gap energy of 1.82 eV was estimated by UV-visible spectrophotometry. PEC studies show that under illumination with a 150 W halogen lamp and at a potential of 0.8 V, a photocurrent density of 9.85 μA cm(-2) was obtained.
authors.affiliation: Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia. mazhar42pk@yahoo.com.
authors.forename: Sohail
authors.initials: S
authors.lastname: Ahmed
authors.forename: Muhammad Adil
authors.initials: MA
authors.lastname: Mansoor
authors.forename: Muhammad
authors.initials: M
authors.lastname: Mazhar
authors.forename: Tilo
authors.initials: T
authors.lastname: Söhnel
authors.forename: Hamid
authors.initials: H
authors.lastname: Khaledi
authors.forename: Wan Jefrey
authors.initials: WJ
authors.lastname: Basirun
authors.forename: Zainudin
authors.initials: Z
authors.lastname: Arifin
authors.forename: Shahzad
authors.initials: S
authors.lastname: Abubakar
authors.forename: Bakhtiar
authors.initials: B
authors.lastname: Muhammad