Rapid Flame-Annealed CuFe2O4 as Efficient Photocathode for Photoelectrochemical Hydrogen Production
نویسندگان
چکیده
منابع مشابه
Photoelectrochemical Systems for Hydrogen Production
Two important research areas that are part of NREL’s effort towards a photoelectrochemicalbased (PEC) direct water splitting system include surface modification to improve system energetics and triple junction amorphous silicon structures (α-Si) as a low-cost thin-film water spitting system. In the area of surface modification, p-GaInP2 surfaces were tailored by adsorption of metallated porphyr...
متن کاملPhotoelectrochemical Hydrogen Production
At the University of Hawaii (UH), the approach to developing high-efficiency, low-cost photoelectrochemical (PEC) processes for the direct production of hydrogen has included the use of integrated electrochemical/optical models to design photoelectrodes based on multijunction thin-film technology; materials research to identify critical issues on photoelectrode efficiency and stability; and the...
متن کاملPHOTOELECTROCHEMICAL PRODUCTION of HYDROGEN
In this year’s Phase II photoelectrochemical hydrogen production research at the University of Hawaii, we have continued our emphasis on developing high-performance multi-junction hydrogen photoelectrodes based on low cost semiconductor and catalyst films. Significant progress was made in the advancement of amorphous silicon/germanium and copper indium gallium diselenide materials for solid-sta...
متن کاملCu2O/CuO Bilayered Composite as a High-Efficiency Photocathode for Photoelectrochemical Hydrogen Evolution Reaction
Solar powered hydrogen evolution reaction (HER) is one of the key reactions in solar-to-chemical energy conversion. It is desirable to develop photocathodic materials that exhibit high activity toward photoelectrochemical (PEC) HER at more positive potentials because a higher potential means a lower overpotential for HER. In this work, the Cu2O/CuO bilayered composites were prepared by a facile...
متن کاملSilicon Nanowire Photocathodes for Photoelectrochemical Hydrogen Production
The performance of silicon for water oxidation and hydrogen production can be improved by exploiting the antireflective properties of nanostructured silicon substrates. In this work, silicon nanowires were fabricated by metal-assisted electroless etching of silicon. An enhanced photocurrent density of -17 mA/cm² was observed for the silicon nanowires coated with an iron sulphur carbonyl catalys...
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ژورنال
عنوان ژورنال: ACS Sustainable Chemistry & Engineering
سال: 2019
ISSN: 2168-0485,2168-0485
DOI: 10.1021/acssuschemeng.8b05824