Catalytic routes and oxidation mechanisms in photoreforming of polyols

We have shown in a preceding contribution that the anodic transformations of ethylene glycol during photoreforming may be rationalized on this basis

Kai E. Sanwald; Tobias F. Berto; Wolfgang Eisenreich; Oliver Y. Gutiérrez; Johannes A. Lercher

2016

Scholarcy highlights

  • Photocatalytic H2 generation from bio-derived oxygenates is a desired pathway for the production of a chemical energy carrier utilizing solar energy as it lowers the energy requirements compared to water cleavage
  • Chemical transformations were not observed in Photocatalytic rates of linear C1–C3 oxygenates are primarily dependent on the substrate specific apparent adsorption constants and follow a Langmuir adsorption model
  • This review mainly focuses on photocatalyst development and the effect of experimental conditions for selectivity enhancement of heterogeneous photocatalytic transformations
  • Comparison with state of the art shows that the present material exhibits excellent performance for a combined positive effect of the high specific surface area of titania prepared by microemulsion, giving access to the increased densities of active sites and the high dispersion of Pt nanoparticles given by the surface organometallic chemistry technique
  • The photocatalytic activity of all zeolite-TiO2 composites was examined by the photoreforming of aqueous glycerol solution under UV and solar-simulated radiation
  • The effect of the electron acceptors H2O2 and O2 on the type of generated reactive oxygen species, and glycerol conversion and product distribution in the TiO2-catalyzed photocatalytic oxidation of glycerol was studied at ambient conditions
  • The first pathway is proposed to result from direct hole transfer to the chemisorbed

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