Pinning of the Fermi Level in CuFeO2 by Polaron Formation Limiting the Photovoltage for Photochemical Water Splitting
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201910432
Abstract: CuFeO2 is recognized as a potential photocathode for photo(electro)chemical water splitting. However, photocurrents with CuFeO2‐based systems are rather low so far. In order to optimize charge carrier separation and water reduction kinetics, defined CuFeO2/Pt, CuFeO2/Ag,… read more here.
Keywords: water splitting; fermi level; water reduction; water ... See more keywords
Understanding the effect of partial N3−-to-O2− substitution and H+-to-K+ exchange on photocatalytic water reduction activity of Ruddlesden–Popper layered perovskite KLaTiO4
Sign Up to like & getrecommendations! Published in 2017 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2017.01.004
Abstract: Abstract Ruddlesden–Popper perovskites, HLaTiO 4 and HLaTiO 4− x N x were prepared by proton exchange of layered KLaTiO 4 synthesized by a solid-state reaction and KLaTiO 4 −x N x obtained by nitridation, respectively.… read more here.
Keywords: water reduction; ruddlesden popper; activity; klatio ... See more keywords
Single Crystals of α-MoO3-Intercalated {Ni(H2O)6}2+ and Electrocatalytic Water Reduction: Toward a Class of Molybdenum Bronzes.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.1c03978
Abstract: We have successfully intercalated {NiII(H2O)6}2+ into the α-MoO3 layer, leading to the isolation of green single crystals of [MoVI2O6(CH3COO){NiII(H2O)6}0.5]·H2O (1). The homogeneous electrochemistry of 1 in its aqueous solution exhibits electrocatalytic hydrogen evolution reaction (HER)… read more here.
Keywords: single crystals; h2o; molybdenum; water reduction ... See more keywords
Sandwich-nanostructured n-Cu2O/AuAg/p-Cu2O Photocathode with Highly Positive Onset Potential for Improved Water Reduction.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b11737
Abstract: A n-Cu2O layer formed a high-quality buried junction with p-Cu2O to increase the photovoltage and thus to shift the turn-on voltage positively. Mott-Schottky measurements confirmed that the improvement benefited from a thermodynamic shift of the… read more here.
Keywords: positive onset; cu2o; auag cu2o; onset potential ... See more keywords
Improved Electro- and Photocatalytic Water Reduction by Confined Cobalt Catalysts in Streptavidin
Sign Up to like & getrecommendations! Published in 2019 at "ACS Catalysis"
DOI: 10.1021/acscatal.8b04981
Abstract: Incorporation of biotinylated aminopyridine cobalt complexes derived from the triazacyclononane scaffold into the streptavidin protein leads to formation of artificial metalloenzymes for water reduction to hydrogen. The synthesized artificial metalloenzymes have lower overpotential (at the… read more here.
Keywords: improved electro; photocatalytic water; water; water reduction ... See more keywords
Pt Particle Size Affects Both the Charge Separation and Water Reduction Efficiencies of CdS-Pt Nanorod Photocatalysts for Light Driven H2 Generation.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c11745
Abstract: Decreasing the metal catalyst size into nanoclusters or even single atom is an emerging direction of developing more efficient and cost-effective photocatalytic systems. Because the catalyst particle size affects both the catalyst activity and light… read more here.
Keywords: size; charge separation; water reduction; light driven ... See more keywords
Enhancement and control of the selectivity in light-driven ketone versus water reduction using aminopyridine cobalt complexes.
Sign Up to like & getrecommendations! Published in 2018 at "Chemical communications"
DOI: 10.1039/c8cc04239j
Abstract: Cobalt(ii) complexes with the general structure [CoII(OTf)(Y,XPy2Tstacn)](OTf) (1R, where Y,XPy2Tstacn is 1,4-di(p-Y,m-X-picolyl)-7-R-1,4,7-triazacyclononane; 1H, 1CO2Et, 1DMM) and [CoII(OTf)2(Y,XPyMetacn)] (2R, where Y,XPyMetacn is 1-(p-Y,m-X-picolyl)-7,4-di-methyl-1,4,7-triazacyclononane; 2CO2Et, 2Cl, 2H, 2DMM, 2NMe2) were active in both light-driven acetophenone (3a) and… read more here.
Keywords: reduction; water; cobalt complexes; light driven ... See more keywords
Direct observation of bicarbonate and water reduction on gold: understanding the potential dependent proton source during hydrogen evolution
Sign Up to like & getrecommendations! Published in 2023 at "Chemical Science"
DOI: 10.1039/d3sc00897e
Abstract: The electrochemical conversion of CO2 represents a promising way to simultaneously reduce CO2 emissions and store chemical energy. However, the competition between CO2 reduction (CO2R) and the H2 evolution reaction (HER) hinders the efficient conversion… read more here.
Keywords: water reduction; water; direct observation; reduction ... See more keywords
Enhancement of the photoelectrochemical properties of a CuGaSe2-based photocathode for water reduction induced by loading of a Cu-deficient layer at the p–n heterointerface
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0060494
Abstract: Photoelectrochemical activity for water reduction (H2 liberation) over a co-evaporated CuGaSe2 compact thin film modified with a CdS layer and Pt deposits under simulated sunlight (AM 1.5G) radiation was evaluated, specifically focusing on the impact… read more here.
Keywords: water reduction; layer; deficient layer;
Regulating the bandgap of graphitic carbon nitride via Mn doping for boosting visible-light-driven water reduction
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ac6713
Abstract: As a low-cost and promising photocatalyst, graphitic carbon nitride (g-C3N4) has aroused major interest for accomplishing visible-light-driven H2 evolution. Nevertheless, rapid recombination of photoexcited electron–holes largely restricts the applications of g-C3N4 in photocatalytic fields. Therefore,… read more here.
Keywords: water reduction; visible light; graphitic carbon; light driven ... See more keywords