scholarly journals A new method for studying activity and reaction kinetics of photocatalytic water oxidation systems using a bubbling reactor

2014 ◽  
Vol 238 ◽  
pp. 17-26 ◽  
Author(s):  
Simelys Hernández ◽  
Samir Bensaid ◽  
Marco Armandi ◽  
Adriano Sacco ◽  
Angelica Chiodoni ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Water Oxidation ◽  
New Method ◽  
Kinetics Of

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>

scholarly journals An exceptionally stable octacobalt-cluster-based metal–organic framework for enhanced water oxidation catalysis

2019 ◽  
Vol 10 (42) ◽  
pp. 9859-9864 ◽  
Author(s):  
Ning-Yu Huang ◽  
Jian-Qiang Shen ◽  
Zi-Ming Ye ◽  
Wei-Xiong Zhang ◽  
Pei-Qin Liao ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Adsorption Energy ◽  
Water Oxidation ◽  
Metal Organic Framework ◽  
Oxidation Catalysis ◽  
Cobalt Ions ◽  
Water Oxidation Catalysis ◽  
Metal Organic ◽  
Kinetics Of ◽  
Organic Framework

The site, capping four coplanar cobalt ions, has a near-optimal OH− adsorption energy, which is beneficial to accelerate the reaction kinetics of water oxidation catalysis.

A New Method To Evaluate Reaction Kinetics of Acids with Carbonate Rocks Using NMR Diffusion Measurements

2019 ◽  
Vol 34 (1) ◽  
pp. 787-797 ◽  
Author(s):  
Mahmoud Elsayed ◽  
Mohamed Mahmoud ◽  
Ammar El-Husseiny ◽  
Muhammad Shahzad Kamal ◽  
Karem Al-Garadi
Keyword(s):  
Reaction Kinetics ◽  
Carbonate Rocks ◽  
New Method ◽  
Nmr Diffusion ◽  
Kinetics Of

scholarly journals Water oxidation kinetics of nanoporous BiVO4 photoanodes functionalised with nickel/iron oxyhydroxide electrocatalysts

2021 ◽  
Author(s):  
Laia Francàs ◽  
Shababa Selim ◽  
Sacha Corby ◽  
Dongho Lee ◽  
Camilo A. Mesa ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Charge Accumulation ◽  
Iron Oxyhydroxide ◽  
Nickel Iron ◽  
Co Catalysts ◽  
Fe Oxyhydroxides ◽  
Kinetics Of

Elucidating the role of charge accumulation and reaction kinetics in governing the performance of Ni/Fe oxyhydroxides as electrocatalysts and as co-catalysts on BiVO4 photoanodes water oxidation.

Electronic configuration modulation of tin dioxide by phosphorus dopant for pathway change in electrocatalytic water oxidation

2021 ◽  
Author(s):  
Hao Wan ◽  
Xue Xiao ◽  
Wei Ma ◽  
Ying Zhang ◽  
Xiaohe Liu ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Reaction Kinetics ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Water Oxidation ◽  
Tin Dioxide ◽  
Electronic Configuration ◽  
Semiconductor Materials ◽  
Crucial Part ◽  
Kinetics Of

Oxygen evolution process is a crucial part determining the total reaction kinetics of electrocatalytic overall water splitting for clean hydrogen production. However, for some semiconductor materials, e.g. tin dioxide (SnO2)...

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>

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