02866ntm a2200325 i 4500001001400000003000700014005001700021008004100038020002200079040002300101100003600124245011400160264003400274264001200308300007000320336002100390336002100411337002500432337002300457338002300480338003000503347002400533500005600557502009200613504004000705520166800745610007102413650004502484650001102529vtls000102949KUKTEM20251117113356.0180212s2017    my a   f am   000 0 eng d  aTHE0000948(Local)  aUMPbengcUMPerda0 aMariotte Patrick Jebi,eauthor.10aConversion of carbon dioxide to methanol over visible light responsive catalyst /cMariotte Anak Patrick Jebi 1aKuantan, Pahang :bUMP,c2017 4c© 2017  axiv, 50 pages :billustrations (some color) ;c30 cm. +e1 CD-ROM  atext2rdacontent  atext2rdacontent  aunmediated2rdamedia  acomputer2rdamedia  avolume2rdacarrier  acomputer disc2rdacarrier  atext filebPDF2rda  aFaculty of Chemical & Natural Resources Engineering  aProject Paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang – 2017  aIncludes bibliographical references3 aThe significant increase of carbon dioxide contributed for the largest share of the world’s greenhouse gas emissions. There is a growing need to mitigate CO2 emissions. One of the strategies to mitigate CO2 emissions is using CO2 as a raw material in chemical processes. In the present study, a TiO2 loaded copper (II) oxide (CuO) photoelectrode was synthesized, characterized and studied for photoelectrocatalytic (PEC) reduction of carbon dioxide (CO2) into methanol under visible light (λ > 470 nm) irradiation. In this perspective, The material was constructed via sol-gel method from copper (II) nitrate, Cu(NO3)2.3H2O (99 %) and commercial Degussa P25 TiO2 as precursors. The photocatalysts were characterized by X-ray diffraction, UV-vis absorption specra, X-ray photoelectron spectroscopy (XPS), photoluminescence spectrophotometer, and mott schottky (MS). Linear sweep voltammetry (LSV) was employed to evaluate the effect of visible light (λ >400 nm) on the CO2 reduction reactions. The characterization results indicated that the band gap energy of the CuO-TiO2 catalyst from UV-Vis is 1.39 eV. The flat band potential calculated from the MS data as 0.83 V versus normal hydrogen electrode (NHE). The LSV the dark and under visible light irradiation further support the visible light-responsive photocatalytic activities CuO-TiO2 giving onset potential value from -0.20 V with current peak potential appearing at -0.35V (vs NHE) suggesting an increase in photocurrent and occurrence CO2 photoreduction reaction. The PEC performance of CuO-TiO2 photocatalyst showed an increased methanol yield of 20.1 μmol.L-1.cm-2 under visible light irradiation.20aFaculty of Chemical & Natural Resources EngineeringxDissertations 0aUniversities and CollegesxDissertations 0aTheses