Enhanced Electroconversion CO2‐to‐formate by Oxygen‐Vacancy‐Rich Ultrasmall Bi‐Based Catalyst over a Wide Potential Window

ChemCatChem ◽  
2022 ◽  
Author(s):  
Xueli Wang ◽  
Lu-Hua Zhang ◽  
Datong Chen ◽  
Jiayu Zhan ◽  
Jiangyi Guo ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Wide Potential

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 photocatalytic activity of perovskite NaNbO3 by oxygen vacancy engineering

2019 ◽  
Vol 21 (22) ◽  
pp. 11697-11704 ◽  
Author(s):  
Bian Yang ◽  
Jihong Bian ◽  
Lei Wang ◽  
Jianwei Wang ◽  
Yaping Du ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Oxygen Vacancy

Oxygen vacancy engineering can improve the photocatalytic activity of perovskite NaNbO3.

Improvement of reliability of polymer nanocomposite based transparent memory device by oxygen vacancy rich ZnO nanorods

2016 ◽  
Vol 164 ◽  
pp. 53-58 ◽  
Author(s):  
Snigdha Bhattacharjee ◽  
Pranab Kumar Sarkar ◽  
Nandini Roy ◽  
Asim Roy
Keyword(s):  
Oxygen Vacancy ◽  
Zno Nanorods ◽  
Polymer Nanocomposite ◽  
Memory Device

Oxygen Vacancy Engineering in Fe Doped Akhtenskite-Type MnO2 for Low-Temperature Toluene Oxidation

2020 ◽  
pp. 119873
Author(s):  
Yu Wang ◽  
Ji Wu ◽  
Gang Wang ◽  
Dengyao Yang ◽  
Tatsumi Ishihara ◽  
...  
Keyword(s):  
Low Temperature ◽  
Oxygen Vacancy ◽  
Toluene Oxidation

Boosted charge transfer in oxygen vacancy-rich K+ birnessite MnO2 for water oxidation and zinc-ion batteries

2021 ◽  
Vol 378 ◽  
pp. 138147
Author(s):  
MengXian Lin ◽  
Fuqiang Shao ◽  
Shuting Weng ◽  
Shanshan Xiong ◽  
Shuai Liu ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Oxygen Vacancy ◽  
Water Oxidation ◽  
Zinc Ion

Efficient degradation of ciprofloxacin by magnetic γ-Fe2O3-MnO2 with oxygen vacancy in visible-light/peroxymonosulfate system

Chemosphere ◽  
2021 ◽  
pp. 130257
Author(s):  
Jianhui Zhao ◽  
Yuanzhou Wang ◽  
Ning Li ◽  
Shaopo Wang ◽  
Junli Yu ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Visible Light

Orientation control of oxygen vacancy channels in brownmillerite SrFeO2.5

2020 ◽  
Vol 4 (1) ◽  
Author(s):  
Muhammad Shahrukh Saleem ◽  
Cheng Song ◽  
Youdi Gu ◽  
Ruyi Chen ◽  
Muhammad Umer Fayaz ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Orientation Control
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