Oxygen vacancy-assisted hydrogen evolution reaction of the Pt/WO3 electrocatalyst

2019 ◽  
Vol 7 (11) ◽  
pp. 6285-6293 ◽  
Author(s):  
Han Tian ◽  
Xiangzhi Cui ◽  
Liming Zeng ◽  
Liang Su ◽  
Yiling Song ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Catalytic Effect

Oxygen vacancy creation in WO3 induces a synergetic catalytic effect between Pt atoms and def-WO3, thus bestowing excellent HER performances.

Interface engineering of oxygen-vacancy-rich NiCo2O4/NiCoP heterostructure as an efficient bifunctional electrocatalyst for overall water splitting

2020 ◽  
Vol 10 (16) ◽  
pp. 5559-5565 ◽  
Author(s):  
Wei Jin ◽  
Jianping Chen ◽  
Hengbo Wu ◽  
Nan Zang ◽  
Qingwei Li ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Energy Conversion ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Interface Engineering ◽  
Bifunctional Electrocatalyst ◽  
Overall Water Splitting

Inexpensive bifunctional electrocatalysts towards oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is highly desirable from the perspective of energy conversion.

Ordered mesoporous WO2.83: selective reduction synthesis, exceptional localized surface plasmon resonance and enhanced hydrogen evolution reaction activity

2018 ◽  
Vol 6 (5) ◽  
pp. 2249-2256 ◽  
Author(s):  
Hefeng Cheng ◽  
Miriam Klapproth ◽  
Anton Sagaltchik ◽  
Shuang Li ◽  
Arne Thomas
Keyword(s):  
Surface Plasmon Resonance ◽  
Oxygen Vacancy ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Plasmon Resonance ◽  
Localized Surface Plasmon Resonance ◽  
Selective Reduction ◽  
Localized Surface Plasmon ◽  
Ordered Mesoporous ◽  
Engineering Strategy

A mesostructured sub-stoichiometric WO2.83 was prepared by oxygen vacancy engineering strategy, which displays exceptional plasmon resonance and enhanced hydrogen evolution reaction relative to pristine mesoporous WO3.

Oxygen vacancy improves the hydrogen evolution reaction property of WO3−x nanosheets

2018 ◽  
Vol 15 ◽  
pp. 114-118 ◽  
Author(s):  
Yi Lv ◽  
Zhi Chen ◽  
Yongkang Liu ◽  
Taihong Wang ◽  
Zhang Ming
Keyword(s):  
Oxygen Vacancy ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction

Stabilization of Ruthenium Nanoparticles over NiV-LDH Surface for Enhanced Electrochemical Water Splitting: An Oxygen Vacancy Approach

2022 ◽  
Author(s):  
Arun Karmakar ◽  
Karthick Kannimuthu ◽  
S. Sam Sankar ◽  
K. Sangeetha ◽  
Ragunath Madhu ◽  
...  
Keyword(s):  
Transition Metal ◽  
Oxygen Vacancy ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Ruthenium Nanoparticles ◽  
Layer Double Hydroxide ◽  
Electrochemical Water Splitting ◽  
Double Hydroxide

In a search of alternates for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), out of various transition metal based electrocatalysts, layer double hydroxide (LDHs) based materials are attracted...

Continuous oxygen vacancy engineering of the Co3O4 layer for an enhanced alkaline electrocatalytic hydrogen evolution reaction

2019 ◽  
Vol 7 (22) ◽  
pp. 13506-13510 ◽  
Author(s):  
Haoxuan Zhang ◽  
Jiahao Zhang ◽  
Yuhang Li ◽  
Haibo Jiang ◽  
Hao Jiang ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Reaction Kinetics ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Medium Level ◽  
Active Intermediate

A medium level of Ov can optimize the active intermediate adsorption to accelerate reaction kinetics, markedly enhancing alkaline HER performances.

Nb2O5-Ni3N heterojunction tuned by interface oxygen vacancy engineering for enhancement of electrocatalytic hydrogen evolution activity

2021 ◽  
Author(s):  
Xiao Hui Chen ◽  
Xiaolin Li ◽  
Li Li Wu ◽  
Hong Chuan Fu ◽  
Juan Luo ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Gibbs Energy ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Hydrogen Adsorption ◽  
Alkaline Media ◽  
Free Gibbs Energy

The requirement of hydrogen adsorption free Gibbs energy (ΔGH*) approximating to 0 eV limits the hydrogen evolution reaction (HER) activity of most electrocatalysts in alkaline media. The construction of interface...

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