Ni6OF11

Ni6OF11 is a metastable, semiconducting nickel-based oxyfluoride material primarily investigated for its potential as an oxygen-evolution catalyst.

Crystal structure of Ni6OF11
Ground-state structure · Materials Project
Overview

About Ni6OF11

Ni6OF11 is a unique, metastable semiconducting material categorized within the oxide oxygen-evolution catalysts. Its complex composition of nickel, oxygen, and fluorine allows it to participate in electrochemical processes where efficient oxygen production is required. Due to its distinct electronic character, it serves as a specialized candidate for researchers investigating catalytic pathways in energy storage and conversion systems. The compound is characterized by a significant degree of structural diversity, as evidenced by the numerous reported configurations found in materials databases. This structural flexibility makes it a subject of interest for those studying how metastable phases can be leveraged to optimize catalytic performance in demanding electrochemical environments.

At a glance

Key Properties

Cross-validated computational properties for Ni6OF11, aggregated across 3 databases.

Band Gap

0.52–0.92 eV
Range across DFT structures

Energy Above Hull

0.035 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

34
3 databases, 5 space groups
Uses

Applications

Where Ni6OF11 is used.

Oxygen-evolution catalysisElectrochemical researchEnergy conversion systems
Reference

Frequently Asked Questions

Common questions about Ni6OF11, answered from cross-validated data.

What is Ni6OF11?

Ni6OF11 is a metastable, semiconducting nickel-based oxyfluoride material primarily investigated for its potential as an oxygen-evolution catalyst.

More questions
What is Ni6OF11 used for?
Ni6OF11 is used in oxygen-evolution catalysis, electrochemical research, and energy conversion systems.
What is the band gap of Ni6OF11?
Ni6OF11 has a DFT-computed band gap of 0.52–0.92 eV across 34 reported structures.
Is Ni6OF11 a metal, semiconductor, or insulator?
With a band gap up to 0.92 eV it is a semiconductor.
Is Ni6OF11 thermodynamically stable?
Ni6OF11 has a lowest energy above hull of 0.035 eV/atom (metastable).
How many polymorphs of Ni6OF11 are known?
34 structures of Ni6OF11 are reported across 3 databases, spanning 5 distinct space groups.
What elements does Ni6OF11 contain?
Ni6OF11 contains F, Ni, and O (3 elements).
Where does the data for Ni6OF11 come from?
Ni6OF11 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Unlike the highly stable and widely utilized NiO or the layered lithium-based transition metal oxides like LiNiO2 and LiCoO2, Ni6OF11 exists as a metastable phase. While classic perovskites such as LaNiO3 and LaMnO3 are often studied for their robust structural frameworks, Ni6OF11 offers a different chemical landscape due to the inclusion of fluorine, which modifies its electronic environment compared to standard binary or ternary oxide catalysts.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

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

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