Review Article

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

Table 2

Reported photoactivities of immobilized Re(I) catalysts.

ComplexSubstrateSacrificial agentTONco/TOF (h−1)Ref

Re-L1
SiO2TEOA6.9/−[191]
SiO2 + Ru(bpy)32+11.0/−

Re-L2
SiO2 + Ru(bpy)32+TEOA0.5/−[191]

fac-[ReCl(CO)3(dcbH2)]
TiO2TEOA47/2.4[207]
KxH(4-x)Nb6O1758/2.9

fac-[ReCl(CO)3(phdo)]
TiO2TEOA40/2.0[207]
KxH(4-x)Nb6O1735/1.8

Re(X)(CO)3(ByPh)
X=picTiO2DMF/TEOA48/8[198]
ZrO28/−
SrTiO320/−
CeO20/−
ITO0/−
ZnO10/−
X=ClTiO2-porphyrin hybrid systemsBIH~1000/−[208]

ReCl(CO)3(PyBn)
TiO2–rGOTEOA150/12.7[197]
H2O−/0.0

ReCl(CO)3(dcbpy)
UiO-67TEOA10.9/−[209]
3.5/−

ByPh: 2,2-bipyridine-4,4-bisphosphonic acid; pic: picoline; PyBn: 1-(2-picolyl)-4-phenyl-1H-1,2,3-triazole; L1: 4,4-dipropionylamido-2,2-bipyridyl; dcbH2: 4 4-dicarboxylic acid-2 2-bipyridine; phdo: 5,6-dione-1,10-phenantroline; dcbpy: (2,2-bipyridine)-5,5-dicarboxylic acid; TiO2: titanium dioxide; ZrO2: zirconium dioxide; SrTiO3: strontium titanate; CeO2: cerium(IV) oxide; ITO: indium tin oxide; ZnO: zinc oxide; rGO: reduced graphene oxide; SiO2: silicon dioxide; KxH(4-x)Nb6O17: hexaniobate nanoscrolls; UiO-67: Zr6-(μ3-O)4(μ3-OH)4(bpdc)6-x(dcbpy)x; TEOA: triethanolamine; DMF: dimethylformamide; BIH: 1,3-dimethyl-2-phenyl-1,3-dihydrobenzimidazole.