Inorganic Photochemistry and Solar Energy Harvesting: Current Developments and Challenges to Solar Fuel Production

Figure 5

Work principle of hybrid Re(I)-based systems for CO₂ reduction. (a) The Re(I) complex works simultaneously as light absorber and catalytic center. (b) Chromophore and a Re(I) complex coadsorbed onto the metal oxide surface. (c) Re(I) catalyst immobilized on the surface of semiconductors with smaller band gaps in a PEC.

(a)

(b)

(c)