Decoupled catalytic hydrogen evolution from a molecular metal oxide redox mediator in water splitting

Science ◽  
2014 ◽  
Vol 345 (6202) ◽  
pp. 1326-1330 ◽  
Author(s):  
B. Rausch ◽  
M. D. Symes ◽  
G. Chisholm ◽  
L. Cronin
Keyword(s):  
Metal Oxide ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Redox Mediator ◽  
Catalytic Hydrogen ◽  
Catalytic Hydrogen Evolution

scholarly journals Confinement dependence of electro-catalysts for hydrogen evolution from water splitting

2014 ◽  
Vol 5 ◽  
pp. 195-201 ◽  
Author(s):  
Mikaela Lindgren ◽  
Itai Panas
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Density Functional ◽  
Metal Catalyst ◽  
Ambient Conditions ◽  
Functional Theory ◽  
Nominal Pressure ◽  
Catalytic Hydrogen ◽  
Oxidation By Water ◽  
Catalytic Hydrogen Evolution

Density functional theory is utilized to articulate a particular generic deconstruction of the electrode/electro-catalyst assembly for the cathode process during water splitting. A computational model was designed to determine how alloying elements control the fraction of H2 released during zirconium oxidation by water relative to the amount of hydrogen picked up by the corroding alloy. This model is utilized to determine the efficiencies of transition metals decorated with hydroxide interfaces in facilitating the electro-catalytic hydrogen evolution reaction. A computational strategy is developed to select an electro-catalyst for hydrogen evolution (HE), where the choice of a transition metal catalyst is guided by the confining environment. The latter may be recast into a nominal pressure experienced by the evolving H2 molecule. We arrived at a novel perspective on the uniqueness of oxide supported atomic Pt as a HE catalyst under ambient conditions.

Chalcogen-vacancy group VI transition metal dichalcogenide nanosheets for electrochemical and photoelectrochemical hydrogen evolution

2021 ◽  
Vol 9 (1) ◽  
pp. 101-109
Author(s):  
In Hye Kwak ◽  
Ik Seon Kwon ◽  
Jong Hyun Lee ◽  
Young Rok Lim ◽  
Jeunghee Park
Keyword(s):  
Transition Metal ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Photoelectrochemical Cells ◽  
Transition Metal Dichalcogenide ◽  
Group Vi ◽  
Catalytic Hydrogen ◽  
Catalytic Hydrogen Evolution

Chalcogen vacancies of MoS2, MoSe2, WS2, and WSe2 nanosheets enhanced the catalytic hydrogen evolution reaction in solar photoelectrochemical cells.

Synthesis of two new copper-sandwiched polyoxotungstates and the influence of nuclear number on catalytic hydrogen evolution activity

2020 ◽  
Vol 44 (26) ◽  
pp. 11035-11041
Author(s):  
Zhao-Min Su ◽  
Mo Zhang ◽  
Qingqing An ◽  
Dan Qin ◽  
Hai-Lou Li ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Hydrogen Evolution ◽  
Catalytic Hydrogen ◽  
Nuclear Number ◽  
Catalytic Hydrogen Evolution ◽  
Two Hybrid

Two hybrid inorganic–organic CuII-sandwiched POM were synthesized and they exhibit photocatalytic activity. This would guide us to prepared copper-substituted polyoxotungstate and apply them toward renew energy.

Intercalation of cobaltocene into WS2 nanosheets for enhanced catalytic hydrogen evolution reaction

2019 ◽  
Vol 7 (14) ◽  
pp. 8101-8106 ◽  
Author(s):  
In Hye Kwak ◽  
Hafiz Ghulam Abbas ◽  
Ik Seon Kwon ◽  
Yun Chang Park ◽  
Jaemin Seo ◽  
...  
Keyword(s):  
Density Functional Theory ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Density Functional ◽  
Density Functional Theory Calculations ◽  
Functional Theory ◽  
Spin Polarized ◽  
Catalytic Hydrogen ◽  
Catalytic Hydrogen Evolution ◽  
Ws2 Nanosheets

Cobaltocene-intercalated WS2 nanosheets exhibit excellent catalytic activity toward the hydrogen evolution reaction, which is supported by spin-polarized density functional theory calculations.

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