Artificial Photosynthesis: Molecular Systems for Catalytic Water Oxidation

Electrochemical Water Oxidation Catalyzed by an In Situ Generated α‐Co(OH)2 Film on Zeolite‐Y Surface

“…However,t he bottleneck problemsa ssociatedw ith water oxidationa re ah igher oxidation potential and slow kinetics that render the water-oxidation process quite inefficient. [1,2] To achieve an efficient water oxidation, it is necessary to developa ni nexpensivec atalystt hat can operate under ambient conditions with low overpotential in numerousc ycles withouta ny loss of catalytic activity.V arious research groups across the globe have been workingo nt he experimental and theoreticald esigna nd synthesis of homogeneous as well as heterogeneous water-oxidation catalysts (WOCs). [1][2][3][4][5][6][7] Among these, ah eterogeneous electrocatalyst is of particulari nterest because it offers extra stability, and the relevant electrocatalytic method can directly be implemented into devices.…”

Periodic DFT Study of Rutile IrO2: Surface Reactivity and Catechol Adsorption

“…In a time deeply hit by ecological crisis and global warming, the solar hydrogen production seems to be the ideal solution due to the inexhaustible resource of water and the non-emission of pollutant and greenhouse gases [2][3][4] . In this context, iridium oxide is receiving nowadays increasing interest because of its high efficiency in photocatalytic devices, playing a key role as water oxidation catalyst [5][6][7] in the water splitting reaction, in particular for the oxygen evolution reaction (OER):…”

A Dynamic View of Proton-Coupled Electron Transfer in Photocatalytic Water Splitting

“…[6][7][8][9][10][11][12] A photoelectrochemical solar fuel cell device combines the functions of light harvesting, charge separation and catalysis. [13][14][15] In the last decade several systems have been proposed employing either metal oxide nanoparticles 8,[16][17][18][19][20][21][22][23][24] or molecular complexes 8,[25][26][27][28] as water oxidation catalyst (WOC). Furthermore, the coupling between the WOC, the chromophore and an electron accepting semiconductor into a photoanode has been achieved through co-absorption of both the catalyst and the chromophore 16,[29][30][31][32] or through dye-WOC supramolecular complexes.…”