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Developing highly efficient and stable photoelectrochemical (PEC) water-splitting electrodes via inexpensive, liquid phase processing is one of the key challenges for the conversion of solar energy into hydrogen for sustainable energy production. ZnO represents one the most suitable semiconductor metal oxide alternatives because of its high electron mobility, abundance, and low cost, although its performance is limited by its lack of absorption in the visible spectrum and reduced charge separation and charge transfer efficiency. Here, we present a solution-processed water-splitting photoanode based on Co-doped ZnO nanorods (NRs) coated with a transparent functionalizing metal–organic framework (MOF). The light absorption of the ZnO NRs is engineered toward the visible region by Co-doping, while the MOF significantly improves the stability and charge separation and transfer properties of the NRs. This …
American Chemical Society
Publication date: 
15 Jul 2020

Alejandro Galán-González, Aswathi K Sivan, Javier Hernández-Ferrer, Leon Bowen, Lorenzo Di Mario, Faustino Martelli, Ana M Benito, Wolfgang K Maser, Mujeeb Ullah Chaudhry, Andrew Gallant, Dagou A Zeze, Del Atkinson

Biblio References: 
Volume: 3 Issue: 8 Pages: 7781-7788
ACS applied nano materials