InKO2

InKO2 is a stable, semiconducting transparent conducting oxide used in the development of advanced electronic and optical materials.

Crystal structure of InKO2
Ground-state structure · Materials Project
Overview

About InKO2

InKO2 is a semiconducting transparent conducting oxide that sits firmly on the thermodynamic convex hull, indicating high structural stability. Its unique electronic configuration makes it a subject of interest for researchers investigating the next generation of transparent electronics and optoelectronic materials.

With multiple documented structural variations across major databases, InKO2 represents a versatile platform for material design. Its role as a transparent oxide positions it as a key candidate for applications requiring both electrical conductivity and optical transparency in thin-film architectures.

At a glance

Key Properties

Cross-validated computational properties for InKO2, aggregated across 3 databases.

Band Gap

2.08 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

4
3 databases, 2 space groups
Uses

Applications

Where InKO2 is used.

Transparent electronicsOptoelectronic devicesThin-film semiconductor research
Reference

Frequently Asked Questions

Common questions about InKO2, answered from cross-validated data.

What is InKO2?

InKO2 is a stable, semiconducting transparent conducting oxide used in the development of advanced electronic and optical materials.

More questions
What is InKO2 used for?
InKO2 is used in transparent electronics, optoelectronic devices, and thin-film semiconductor research.
What is the band gap of InKO2?
InKO2 has a DFT-computed band gap of 2.08 eV across 4 reported structures.
Is InKO2 a metal, semiconductor, or insulator?
With a band gap up to 2.08 eV it is a semiconductor.
Is InKO2 thermodynamically stable?
Yes — InKO2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of InKO2 are known?
4 structures of InKO2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does InKO2 contain?
InKO2 contains In, K, and O (3 elements).
Where does the data for InKO2 come from?
InKO2 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the transparent conducting oxides class.

Within the diverse family of transparent conducting oxides, InKO2 distinguishes itself through its specific stoichiometry compared to more traditional binary oxides like ZnO or complex ternary structures such as CaIn2O4 and BaSnO3. While many class members like ZnGa2O4 are widely recognized for their wide-gap insulating properties, InKO2 offers a unique semiconducting profile that complements the established performance metrics of its peers.

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Related Compounds

Other Transparent Conducting Oxides in the database.

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

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