Porous Co3O4/SnO2 quantum dot (QD) heterostructures with abundant oxygen vacancies and Co2+ ions for highly efficient gas sensing and oxygen evolution reaction

Nanoscale ◽  
2018 ◽  
Vol 10 (25) ◽  
pp. 12045-12053 ◽  
Author(s):  
Xing Wang ◽  
Meizhen Gao
Keyword(s):  
Quantum Dot ◽  
Synergistic Effect ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies ◽  
Gas Sensing ◽  
Highly Efficient

Porous Co3O4/SnO2 quantum dot (QD) heterojunctions with a strong synergistic effect are successfully synthesized in this paper.

Coupling Ag-doping and rich oxygen vacancies in mesoporous NiCoO nanorods supported on nickel foam for highly efficient oxygen evolution

2017 ◽  
Vol 4 (11) ◽  
pp. 1783-1790 ◽  
Author(s):  
Kai-Li Yan ◽  
Jing-Qi Chi ◽  
Zi-Zhang Liu ◽  
Bin Dong ◽  
Shan-Shan Lu ◽  
...  
Keyword(s):  
Surface Area ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies ◽  
Nickel Foam ◽  
High Surface ◽  
High Surface Area ◽  
Ag Doping ◽  
Highly Efficient

Ag-doped mesoporous NiCoO nanorods as efficient and stable electrocatalysts for oxygen evolution reaction have been synthesized with desirable conductivity, high surface area and rich oxygen vacancies.

NiSe2/FeSe2nanodendrites: a highly efficient electrocatalyst for oxygen evolution reaction

2017 ◽  
Vol 7 (20) ◽  
pp. 4604-4608 ◽  
Author(s):  
Yeshuang Du ◽  
Gongzhen Cheng ◽  
Wei Luo
Keyword(s):  
Synergistic Effect ◽  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
3D Structure ◽  
Synthetic Approach ◽  
Fe Doping ◽  
Highly Efficient ◽  
A Current

NiSe2/FeSe2nanodendrites have been synthesized through a facile colloidal synthetic approach. Thanks to its unique 3D structure with branched architectures and the synergistic effect after Fe doping, the resulting Ni0.5Fe0.5Se2catalyst exhibits superior OER activity with an overpotential of 235 mV at a current density of 10 mA cm−2.

MOF-derived M-OOH with rich oxygen defects by in-situ electro-oxidation reconstitution for highly efficient oxygen evolution reaction

2021 ◽  
Author(s):  
Zhikai Shi ◽  
Zebin Yu ◽  
Ronghua Jiang ◽  
Jun Huang ◽  
Yanping Hou ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Energy Production ◽  
Low Cost ◽  
Highly Efficient ◽  
Oxygen Defects ◽  
Electro Oxidation

The oxygen evolution reaction (OER) is an important half-reaction in the field of energy production. However, how effectively, simply, and greenly to prepare low-cost OER electrocatalysts remains a problem. Herein,...

Graphene-Induced Growth of Co3O4 Nanoplates with Modulable Oxygen Vacancies for Improved OER Properties

CrystEngComm ◽  
2021 ◽  
Author(s):  
Xinheng Li ◽  
Lei Qi ◽  
Mei Wang
Keyword(s):  
Transition Metal ◽  
Metal Oxide ◽  
Hydrothermal Treatment ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies ◽  
Transition Metal Oxide ◽  
Oxide Hydroxide

Transition metal oxide/ hydroxide is intensively studied for oxygen evolution reaction (OER). Herein, graphene-induced growth of Co3O4 nanoplates with modulable oxygen vacancies via hydrothermal treatment is reported. With the increase...

In-situ coating amorphous boride on ternary pyrite-type boron sulfide for highly efficient oxygen evolution

2021 ◽  
Author(s):  
Tingting Li ◽  
Tianyun Jing ◽  
Dewei Rao ◽  
Xiaotian Jia ◽  
Yunpeng Zuo ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Highly Efficient ◽  
In Situ Coating ◽  
Electrochemical Oxygen

Multimetallic pyrite-type sulfides have been a promising electrocatalytic materials for electrochemical oxygen evolution reaction (OER), but still requires further improve due to the easily oxidization of surface atoms and the...

Interfacing RuO2 with Pt to induce efficient charge transfer from Pt to RuO2 for highly efficient and stable oxygen evolution under acidic media

2021 ◽  
Author(s):  
Taehyun Kwon ◽  
Heesu Yang ◽  
Minki Jun ◽  
Taekyung Kim ◽  
Jinwhan Joo ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Acidic Media ◽  
Highly Efficient ◽  
Efficient Charge ◽  
Stable Oxygen ◽  
The Stability

The oxygen evolution reaction (OER) requires a large overpotential which undermines the stability of electrocatalysts, typically IrOx or RuOx. RuOx is particularly vulnerable to high overpotential in acidic media, due...

Adsorption energy as a promising single-parameter descriptor for single atom catalysis in the oxygen evolution reaction

2021 ◽  
Author(s):  
Hai-Cai Huang ◽  
Jun Li ◽  
Yang Zhao ◽  
Jing Chen ◽  
Yu-Xiang Bu ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Adsorption Energy ◽  
Oxygen Evolution Reaction ◽  
Single Parameter ◽  
Single Atom ◽  
Highly Efficient

A highly efficient and reliable single-parameter descriptor for offering a strategy to rationally design SACs for the OER.

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