Core-Shell-Structured NiS2@Ni-BiNanoarray for Efficient Water Oxidation at Near-Neutral pH

ChemCatChem ◽  
2017 ◽  
Vol 9 (16) ◽  
pp. 3138-3143 ◽  
Author(s):  
Xiao Ma ◽  
Min Ma ◽  
Danni Liu ◽  
Shuai Hao ◽  
Fengli Qu ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Core Shell ◽  
Neutral Ph

Core–shell CoFe2O4@Co–Fe–Bi nanoarray: a surface-amorphization water oxidation catalyst operating at near-neutral pH

Nanoscale ◽  
2017 ◽  
Vol 9 (23) ◽  
pp. 7714-7718 ◽  
Author(s):  
Xuqiang Ji ◽  
Shuai Hao ◽  
Fengli Qu ◽  
Jingquan Liu ◽  
Gu Du ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Oxidation Catalyst ◽  
Core Shell ◽  
Neutral Ph

A NiCo2O4@Ni–Co–Ci core–shell nanowire array as an efficient electrocatalyst for water oxidation at near-neutral pH

2017 ◽  
Vol 53 (55) ◽  
pp. 7812-7815 ◽  
Author(s):  
Ruixiang Ge ◽  
Min Ma ◽  
Xiang Ren ◽  
Fengli Qu ◽  
Zhiang Liu ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Nanowire Array ◽  
Core Shell ◽  
Neutral Ph

Core–shell structured NiCo2O4@Ni–Co–Ci/CC drives 10 mA cm−2 at 309 mV overpotential for water oxidation in 1.0 M K–Ci.

scholarly journals Self-Standing 3D Core–Shell Nanohybrids Based on Amorphous Co–Fe–Bi Nanosheets Grafted on NiCo2O4 Nanowires for Efficient and Durable Water Oxidation

2020 ◽  
Vol 3 (5) ◽  
pp. 4338-4347 ◽  
Author(s):  
Umesh P. Suryawanshi ◽  
Mahesh P. Suryawanshi ◽  
Uma V. Ghorpade ◽  
Mingrui He ◽  
Dongmin Lee ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Core Shell

A Nickel(II) Complex as a Homogeneous Electrocatalyst for Water Oxidation at Neutral pH: Dual Role of HPO42−in Catalysis

ChemCatChem ◽  
2016 ◽  
Vol 8 (20) ◽  
pp. 3287-3293 ◽  
Author(s):  
Jia-Wei Wang ◽  
Xiang-Qiong Zhang ◽  
Hai-Hua Huang ◽  
Tong-Bu Lu
Keyword(s):  
Water Oxidation ◽  
Dual Role ◽  
Neutral Ph

Water Oxidation Catalysis by Birnessite@Iron Oxide Core–Shell Nanocomposites

2015 ◽  
Vol 54 (6) ◽  
pp. 2734-2741 ◽  
Author(s):  
Gökhan Elmaci ◽  
Carolin E. Frey ◽  
Philipp Kurz ◽  
Birgül Zümreoğlu-Karan
Keyword(s):  
Iron Oxide ◽  
Water Oxidation ◽  
Oxidation Catalysis ◽  
Core Shell ◽  
Water Oxidation Catalysis ◽  
Iron Oxide Core

scholarly journals Morphological and Elemental Investigations on Co–Fe–B–O Thin Films Deposited by Pulsed Laser Deposition for Alkaline Water Oxidation: Charge Exchange Efficiency as the Prevailing Factor in Comparison with the Adsorption Process

2021 ◽  
Author(s):  
Y. Popat ◽  
M. Orlandi ◽  
S. Gupta ◽  
N. Bazzanella ◽  
S. Pillai ◽  
...  
Keyword(s):  
Pulsed Laser Deposition ◽  
Water Oxidation ◽  
Active Sites ◽  
High Surface ◽  
Pulsed Laser ◽  
Industrial Applications ◽  
Active Species ◽  
Laser Deposition ◽  
Core Shell ◽  
Adsorption Sites

Abstract Mixed transition-metals oxide electrocatalysts have shown huge potential for electrochemical water oxidation due to their earth abundance, low cost and excellent electrocatalytic activity. Here we present Co–Fe–B–O coatings as oxygen evolution catalyst synthesized by Pulsed Laser Deposition (PLD) which provided flexibility to investigate the effect of morphology and structural transformation on the catalytic activity. As an unusual behaviour, nanomorphology of 3D-urchin-like particles assembled with crystallized CoFe2O4 nanowires, acquiring high surface area, displayed inferior performance as compared to core–shell particles with partially crystalline shell containing boron. The best electrochemical activity towards water oxidation in alkaline medium with an overpotential of 315 mV at 10 mA/cm2 along with a Tafel slope of 31.5 mV/dec was recorded with core–shell particle morphology. Systematic comparison with control samples highlighted the role of all the elements, with Co being the active element, boron prevents the complete oxidation of Co to form Co3+ active species (CoOOH), while Fe assists in reducing Co3+ to Co2+ so that these species are regenerated in the successive cycles. Thorough observation of results also indicates that the activity of the active sites play a dominating role in determining the performance of the electrocatalyst over the number of adsorption sites. The synthesized Co–Fe–B–O coatings displayed good stability and recyclability thereby showcasing potential for industrial applications. Graphic Abstract

3D Core–Shell NiFeCr Catalyst on a Cu Nanoarray for Water Oxidation: Synergy between Structural and Electronic Modulation

2018 ◽  
Vol 3 (12) ◽  
pp. 2865-2874 ◽  
Author(s):  
Lizhou Fan ◽  
Peili Zhang ◽  
Biaobiao Zhang ◽  
Quentin Daniel ◽  
Brian J.J. Timmer ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Core Shell

scholarly journals Visible-Light-Driven Water Oxidation on Self-Assembled Metal-Free Organic@Carbon Junctions at Neutral pH

JACS Au ◽  
2021 ◽  
Author(s):  
Astrid J. Olaya ◽  
Julieta S. Riva ◽  
Dominika Baster ◽  
Wanderson O. Silva ◽  
François Pichard ◽  
...  
Keyword(s):  
Organic Carbon ◽  
Visible Light ◽  
Water Oxidation ◽  
Metal Free ◽  
Neutral Ph ◽  
Visible Light Driven ◽  
Self Assembled
Sign in / Sign up

Export Citation Format

Share Document