Cobalt salophen complexes for light-driven water oxidation

2016 ◽  
Vol 6 (12) ◽  
pp. 4271-4282 ◽  
Author(s):  
Md. Ali Asraf ◽  
Hussein A. Younus ◽  
Chizoba I. Ezugwu ◽  
Akshay Mehta ◽  
Francis Verpoort
Keyword(s):  
Water Oxidation ◽  
Oxidation Reaction ◽  
Molecular Complexes ◽  
Earth Abundant

Earth-abundant molecular complexes have been found to be excellent catalysts for the light-driven water oxidation reaction.

Impact Of Synthesis Route on the Water Oxidation Kinetics of Hematite Photoanodes

2020 ◽  
Author(s):  
Camilo A. Mesa ◽  
Ludmilla Steier ◽  
Benjamin Moss ◽  
Laia Francàs ◽  
James E. Thorne ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Reaction Kinetics ◽  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Oxidation Reaction ◽  
Charge Accumulation ◽  
Optical Signals ◽  
Current Voltage ◽  
Voltage Performance ◽  
Kinetics Of

<p><i>Operando</i> spectroelectrochemical analysis is used to determine the water oxidation reaction kinetics for hematite photoanodes prepared using four different synthetic procedures. Whilst these photoanodes exhibit very different current / voltage performance, their underlying water oxidation kinetics are found to be almost invariant. Lower photoanode performance was found to correlate with the observation of optical signals indicative of charge accumulation in mid-gap oxygen vacancy states, indicating these states do not contribute directly to water oxidation.</p>

Nano-sized Mn oxide: A true catalyst in the water-oxidation reaction

2015 ◽  
Vol 152 ◽  
pp. 127-132 ◽  
Author(s):  
Mohammad Mahdi Najafpour ◽  
Suleyman I. Allakhverdiev
Keyword(s):  
Water Oxidation ◽  
Oxidation Reaction ◽  
Mn Oxide

Promotion of the water oxidation activity of iridium oxide by a nitrogen coordination strategy

2020 ◽  
Vol 56 (94) ◽  
pp. 14909-14912
Author(s):  
Ning Liu ◽  
Yan Cheng ◽  
Hui Qi ◽  
Changmin Hou ◽  
QiaoQiao Zhang ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Oxidation Reaction ◽  
Iridium Oxide ◽  
Intrinsic Activity ◽  
Oxidation Activity ◽  
Coordination Strategy ◽  
Coordination Effect

Due to the coordination effect, the intrinsic activity of iridium oxide can be improved for the water oxidation reaction.

CoOx/UiO-66 and NiO/UiO-66 Heterostructures with UiO-66 Frameworks for Enhanced Oxygen Evolution Reactions

2021 ◽  
Author(s):  
Guangjin Zhang ◽  
Victor Charles ◽  
Yong Yang ◽  
Menglei Yuan ◽  
Jitao Zhang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Water Oxidation ◽  
Oxidation Reaction ◽  
Widespread Application ◽  
Coupled Process

Water oxidation reaction involves a four electron-proton coupled process that is kinetically sluggish and has hindered the widespread application of water-splitting technology. Metal-MOF-coupled heterostructures serve as good OER electrocatalysts due...

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