Nd2NiO4

neodymium nickelate · Nd214

Nd2NiO4 is a metastable, semiconducting oxide material primarily utilized in research for oxygen-evolution catalysis and electrochemical energy conversion.

Crystal structure of Nd2NiO4
Ground-state structure · Materials Project
Overview

About neodymium nickelate

Nd2NiO4 is a semiconducting oxide that belongs to the Ruddlesden-Popper family of materials. Its unique structural configuration allows for significant oxygen mobility, making it a subject of interest for electrochemical applications where efficient gas exchange is required.

As a metastable phase, this compound offers distinct reactivity profiles compared to more stable perovskite oxides. Its ability to facilitate oxygen-evolution reactions positions it as a specialized candidate for research into high-performance catalytic systems and solid-state energy storage.

At a glance

Key Properties

Cross-validated computational properties for neodymium nickelate, aggregated across 3 databases.

Band Gap

0.67–1.31 eV
Range across DFT structures

Energy Above Hull

0.070 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

18
3 databases, 4 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Nd2NiO4.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where neodymium nickelate is used.

Oxygen-evolution catalysisSolid oxide fuel cell cathodesElectrochemical sensors
Reference

Frequently Asked Questions

Common questions about neodymium nickelate, answered from cross-validated data.

What is Nd2NiO4?

Nd2NiO4 is a metastable, semiconducting oxide material primarily utilized in research for oxygen-evolution catalysis and electrochemical energy conversion.

More questions
What is Nd2NiO4 used for?
neodymium nickelate (Nd2NiO4) is used in oxygen-evolution catalysis, solid oxide fuel cell cathodes, and electrochemical sensors.
What is the band gap of Nd2NiO4?
neodymium nickelate (Nd2NiO4) has a DFT-computed band gap of 0.67–1.31 eV across 18 reported structures.
Is Nd2NiO4 a metal, semiconductor, or insulator?
With a band gap up to 1.31 eV it is a semiconductor.
Is Nd2NiO4 thermodynamically stable?
neodymium nickelate (Nd2NiO4) has a lowest energy above hull of 0.070 eV/atom (metastable).
How many polymorphs of Nd2NiO4 are known?
18 structures of Nd2NiO4 are reported across 3 databases, spanning 4 distinct space groups.
How is Nd2NiO4 synthesized?
Literature-reported routes for Nd2NiO4 include sol gel (10 procedures documented).
What elements does Nd2NiO4 contain?
neodymium nickelate (Nd2NiO4) contains Nd, Ni, and O (3 elements).
Where does the data for Nd2NiO4 come from?
Nd2NiO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Within the diverse family of oxide oxygen-evolution catalysts, Nd2NiO4 is structurally related to La2NiO4, sharing the characteristic layered architecture that distinguishes it from the simpler cubic structures of NiO or the complex spinel arrangements of LiMn2O4. While materials like LaNiO3 exhibit metallic character, Nd2NiO4 maintains a semiconducting nature that influences its specific catalytic activity and performance in electrochemical environments.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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