Highly dispersed SmMn2O5 nanorods for electrochemical water oxidation reaction kinetics

2019 ◽  
Vol 6 (9) ◽  
pp. 095090 ◽  
Author(s):  
B Jansi Rani ◽  
M Gowsalya ◽  
G Ravi ◽  
R Yuvakkumar ◽  
S I Hong
Keyword(s):  
Reaction Kinetics ◽  
Water Oxidation ◽  
Oxidation Reaction ◽  
Highly Dispersed

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>

Enhanced water oxidation reaction kinetics on a BiVO4 photoanode by surface modification with Ni4O4 cubane

2019 ◽  
Vol 7 (1) ◽  
pp. 278-288 ◽  
Author(s):  
Bin Gao ◽  
Tao Wang ◽  
Xiaoli Fan ◽  
Hao Gong ◽  
Peng Li ◽  
...  
Keyword(s):  
Surface Modification ◽  
Reaction Kinetics ◽  
Water Oxidation ◽  
Oxidation Reaction ◽  
Adsorbed Layer ◽  
Highly Efficient ◽  
Photoelectrochemical Water Oxidation

Ni4O4 cubane is combined with a BiVO4 photoanode via an Al2O3 adsorbed layer for highly efficient and stable photoelectrochemical water oxidation.

scholarly journals Efficient optimization of nickel-cerium interface by constructing ethylene glycol ligand environment for fast water oxidation reaction kinetics

2020 ◽  
Vol 63 (9) ◽  
pp. 1731-1740 ◽  
Author(s):  
Changhong Zhan ◽  
Zijia Yu ◽  
Zheng Liu ◽  
Yong Chen ◽  
Delun Chen ◽  
...  
Keyword(s):  
Ethylene Glycol ◽  
Reaction Kinetics ◽  
Water Oxidation ◽  
Oxidation Reaction ◽  
Ligand Environment

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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