<> "The repository administrator has not yet configured an RDF license."^^ . <> . . . "Visible light driven CO2 reduction to methanol by Cu-porphyrin impregnated mesoporous Ti-MCM-48"^^ . "Mesoporous Ti-MCM-48 photocatalyst, with Si/Ti (wt/wt) ratio of 100, 50 and 25 was effectively applied for CO2 reduction into methanol under UV�visible light irradiation bearing mid gap energy states and Ti3+ sites. The bare Ti-MCM-48 with Si/Ti (wt/wt) ratio of 25 displayed highest photocatalytic methanol yield (85.88 μmol g�1 L�1) with a BET surface area of 1528 m2 g�1 and mid gap energy states as determined from the XPS analysis, compared to the other composite ratios. The Ti-MCM-48(25) impregnated with Cu-porphyrin (CuTPP) resulted in methanol yield of 297 μmol·g�1 under 33 mW·cm�2 simulated light intensity, using 0.1 M Na2SO3 in 0.1 M NaOH as supporting electrolytes, which is 3.45 times higher than the bare Ti-MCM-48(25) due to the visible light excitation of the porphyrin macrocycle and charge transition from the lowest occupied molecular orbital (LUMO) of CuTPP to the Ti3+ metal centers. Also, methanol yield was studied with CO2 gas-liquid mass transfer and mass transfer limitations prevailing in the reactor. Mass transfer limitation experiments revealed that metal loading, catalyst concentration, stirring speed and light intensity influence the methanol yield. © 2018 Elsevier B.V."^^ . "2018" . . "272" . . "Elsevier B.V."^^ . . . "Journal of Molecular Liquids"^^ . . . "01677322" . . . . . . . . . . . . . . . . . . . . . . "M.I."^^ . "Abdul Mutalib"^^ . "M.I. Abdul Mutalib"^^ . . "B."^^ . "Abdullah"^^ . "B. Abdullah"^^ . . "S."^^ . "Nadeem"^^ . "S. Nadeem"^^ . . "M."^^ . "Mumtaz"^^ . "M. Mumtaz"^^ . . "A."^^ . "Mumtaz"^^ . "A. Mumtaz"^^ . . "M.S."^^ . "Shaharun"^^ . "M.S. Shaharun"^^ . . . . . "HTML Summary of #9485 \n\nVisible light driven CO2 reduction to methanol by Cu-porphyrin impregnated mesoporous Ti-MCM-48\n\n" . "text/html" . .