CuInLa2Se5

CuInLa2Se5 is a semiconducting quaternary chalcogenide compound investigated for its utility as a light-absorbing material in photovoltaic technologies.

Crystal structure of CuInLa2Se5
Ground-state structure · Materials Project
Overview

About CuInLa2Se5

CuInLa2Se5 is a complex quaternary chalcogenide semiconductor that has gained interest for its potential role in advanced optoelectronic applications. Its electronic structure and thermodynamic stability suggest it is a viable candidate for synthesis and further experimental investigation in the search for high-efficiency light-harvesting materials.

As a member of the chalcogenide photovoltaic absorber class, this compound leverages the unique properties of copper, indium, lanthanum, and selenium to manage charge carrier dynamics. Its near-hull stability indicates that it is a promising target for materials scientists seeking to expand the library of functional semiconductors for next-generation solar energy conversion.

At a glance

Key Properties

Cross-validated computational properties for CuInLa2Se5, aggregated across 3 databases.

Band Gap

0.56 eV
Range across DFT structures

Energy Above Hull

0.006 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
1 DFT source

Structures

3
3 databases, 2 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of CuInLa2Se5. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
materials_project, nomad

Space Group Consensus

All match
Uses

Applications

Where CuInLa2Se5 is used.

Photovoltaic solar cellsOptoelectronic devicesThin-film semiconductor research
Reference

Frequently Asked Questions

Common questions about CuInLa2Se5, answered from cross-validated data.

What is CuInLa2Se5?

CuInLa2Se5 is a semiconducting quaternary chalcogenide compound investigated for its utility as a light-absorbing material in photovoltaic technologies.

More questions
What is CuInLa2Se5 used for?
CuInLa2Se5 is used in photovoltaic solar cells, optoelectronic devices, and thin-film semiconductor research.
What is the band gap of CuInLa2Se5?
CuInLa2Se5 has a DFT-computed band gap of 0.56 eV across 3 reported structures.
Is CuInLa2Se5 a metal, semiconductor, or insulator?
With a band gap up to 0.56 eV it is a semiconductor.
Is CuInLa2Se5 thermodynamically stable?
CuInLa2Se5 has a lowest energy above hull of 0.006 eV/atom (near hull (likely stable)).
How many polymorphs of CuInLa2Se5 are known?
3 structures of CuInLa2Se5 are reported across 3 databases, spanning 2 distinct space groups.
What elements does CuInLa2Se5 contain?
CuInLa2Se5 contains Cu, In, La, and Se (4 elements).
Where does the data for CuInLa2Se5 come from?
CuInLa2Se5 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the chalcogenide photovoltaic absorbers class.

Within the diverse family of chalcogenide absorbers, CuInLa2Se5 occupies a distinct niche compared to more traditional copper-tin-based systems like Cu2SnSe3 or Cu2SnS3. While many of its siblings focus on earth-abundant tin or gallium chemistries, the inclusion of lanthanum in this structure introduces unique electronic characteristics that differentiate it from the standard Cu-In-S or Cu-Ga-Se frameworks, potentially offering different pathways for tuning optical absorption profiles.

Explore

Related Compounds

Other Chalcogenide Photovoltaic Absorbers in the database.

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

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