Engineering the Surface Structure of Binary/Ternary Ferrite Nanoparticles as High‐Performance Electrocatalysts for the Oxygen Evolution Reaction

  title={Engineering the Surface Structure of Binary/Ternary Ferrite Nanoparticles as High‐Performance Electrocatalysts for the Oxygen Evolution Reaction},
  author={Pathik Sahoo and Jing-Bo Tan and Zhi‐Ming Zhang and Shiva Kumar Singh and Tongbu Lu},
Cost‐effective production of efficient and robust oxygen evolution electrocatalysts is of primary importance in developing renewable energy technologies. Herein, we develop a simple and efficient method for exploring high‐performance oxygen evolution reaction (OER) electrocatalysts by engineering the surface structure of ferrite nanoparticles on carbon nanotube support through a reduction‐engraved strategy. After the reduction treatment, abundant oxygen vacancies localized on the surface of the… 
13 Citations

Phase‐Transited Lysozyme‐Driven Formation of Self‐Supported Co3O4@C Nanomeshes for Overall Water Splitting

This PTL‐driven N‐Co3O4@C@NF integrates the advantages of porous structure, high exposure of surface atoms, strong synergetic effect between the components and unique 3D electrode configuration, imparting exceptional activity in catalyzing both HER and OER.

Dominating Role of Interfacial N–Ni Coordination in Spinel Nickel Ferrite/N‐Doped Graphene Hybrids for Boosting Reversible Oxygen Electrocatalysis

Designing ef fi cient and affordable electrocatalysts for reversible oxygen electrocatalysis (oxygen reduction reaction [ORR] and oxygen evolution reaction [OER]) reactions is highly desirable for

Microwave-Assisted Auto-Combustion Synthesis of Binary/Ternary CoxNi1−xFerrite for Electrochemical Hydrogen and Oxygen Evolution

Enormous efforts have been dedicated to engineering low-cost and efficient electrocatalysts for both hydrogen evolution and oxygen evolution reactions (HER and OER, respectively). For this, the

Hydrated Metal Halide-Based Deep Eutectic Solvent-Mediated NiFe Layered Double Hydroxide: An Excellent Electrocatalyst for Urea Electrolysis and Water Splitting.

Deep eutectic solvents based on hydrated metal halide-based DESs to prepare LDH catalysts via the dipping-redox synthetic strategy might enrich the researches of DES while offer a guideline for a rational surface engineering strategy of catalysts for urea electrolysis and overall water splitting with high performance.

Identification of Active Sites in the Catalytic Oxidation of 2‐Propanol over Co1+xFe2–xO4 Spinel Oxides at Solid/Liquid and Solid/Gas Interfaces

A series of Co1+xFe2–xO4 (0≤x≤2) spinel nanowires was synthesized by nanocasting using SBA‐15 silica as hard template, which was characterized by X‐ray powder diffraction, X‐ray photoelectron

Designing Metal-Organic Frameworks Based Photocatalyst for Specific Photocatalytic Reactions: A Crystal Engineering Approach

  • P. BagPathik Sahoo
  • Materials Science, Engineering
    Environmental Chemistry for a Sustainable World
  • 2019
The spatial arrangement of designed reaction centers with engineered porosity withdraws a special attention in exploring metal-organic frameworks (MOFs) for developing a wide range of photocatalyst



Ultrathin Iron‐Cobalt Oxide Nanosheets with Abundant Oxygen Vacancies for the Oxygen Evolution Reaction

A facile solution reduction method using NaBH4 as a reductant is developed to prepare iron-cobalt oxide nanosheets (Fex Coy -ONSs) with a large specific surface area, ultrathin thickness, and, importantly, abundant oxygen vacancies that could improve electronic conductivity and facilitate adsorption of H2 O onto nearby Co3+ sites.

A facile preparation of CoFe2O4 nanoparticles on polyaniline-functionalised carbon nanotubes as enhanced catalysts for the oxygen evolution reaction

Designing and preparing highly efficient non-precious metal electrocatalysts for the oxygen evolution reaction (OER) is extremely urgent but still remains a challenge. In this study, a

Phosphorus‐Doped Perovskite Oxide as Highly Efficient Water Oxidation Electrocatalyst in Alkaline Solution

Developing cost‐effective and efficient electrocatalysts for oxygen evolution reaction (OER) is of paramount importance for the storage of renewable energies. Perovskite oxides serve as attractive

Defect‐Engineered Ultrathin δ‐MnO2 Nanosheet Arrays as Bifunctional Electrodes for Efficient Overall Water Splitting

Recently, defect engineering has been used to intruduce half‐metallicity into selected semiconductors, thereby significantly enhancing their electrical conductivity and catalytic/electrocatalytic

Co–Ni‐Based Nanotubes/Nanosheets as Efficient Water Splitting Electrocatalysts

One promising approach to hydrogen energy utilization from full water splitting relies on the successful development of earth‐abundant, efficient, and stable electrocatalysts for oxygen evolution

Ultrafine Metal Nanoparticles/N‐Doped Porous Carbon Hybrids Coated on Carbon Fibers as Flexible and Binder‐Free Water Splitting Catalysts

By employing in situ reduction of metal precursor and metal‐assisted carbon etching process, this study achieves a series of ultrafine transition metal‐based nanoparticles (Ni–Fe, Ni–Mo) embedded in

Strongly Coupled FeNi Alloys/NiFe2O4@Carbonitride Layers-Assembled Microboxes for Enhanced Oxygen Evolution Reaction.

An effective and facile template-engaged strategy originated from bimetal MOFs is developed to construct hollow microcubes assembled by interconnected nanopolyhedron, consisting of intimately dominant FeNi alloys coupled with a small NiFe2O4 oxide, which was confined within carbonitride outer shell via one-step annealing treatment.

Ultrasensitive Iron‐Triggered Nanosized Fe–CoOOH Integrated with Graphene for Highly Efficient Oxygen Evolution

Effectively active oxygen evolution reaction (OER) electrocatalysts are highly desired for water splitting. Herein, the design and fabrication of nanometer‐sized Fe‐modulated CoOOH nanoparticles by a

Engineering surface atomic structure of single-crystal cobalt (II) oxide nanorods for superior electrocatalysis

Tuning of the atomic structure of one-dimensional single-crystal cobalt (II) oxide (CoO) nanorods by creating oxygen vacancies on pyramidal nanofacets shows that the surface atomic structure engineering is important for the fabrication of efficient and durable electrocatalysts.

NiFe Layered Double Hydroxide-Derived NiO-NiFe2O4/Reduced Graphene Oxide Architectures for Enhanced Electrocatalysis of Alkaline Water Splitting

Electrochemical water splitting is an environment-friendly technology to store the renewable but intermittent energy into hydrogen fuels. Nowadays, exploiting the low-cost, high-performance and