InAgS2

Silver indium sulfide

Silver indium sulfide is a ternary semiconductor material belonging to the chalcopyrite family. It is primarily investigated for its potential in optoelectronic devices and sustainable energy conversion technologies due to its favorable light-absorption characteristics.

AgInS
Crystal structure of InAgS2 (tetragonal, I-42d (No. 122))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for InAgS2, aggregated across 3 databases.

Band Gap

0.11–0.51 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

33
3 databases, 7 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for InAgS2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
I-42d (No. 122)tetragonal0.380.0000-15.5604.85
Pna21 (No. 33)orthorhombic0.510.0011-15.5594.83
R3m (No. 160)trigonal0.480.0831-15.4775.28
R-3m (No. 166)trigonal0.110.0897-15.4715.82
P3m1 (No. 156)trigonal0.000.0975-15.4634.66
C2/m (No. 12)monoclinic0.110.1277-15.4335.68
P3m1 (No. 156)trigonal0.000.2079-15.3524.90
R3m (No. 160)
P3m1 (No. 156)Trigonal4.66
Pna21 (No. 33)
P3m1 (No. 156)
R-3m (No. 166)
Uses

Applications

Where InAgS2 is used.

Photovoltaic cellsPhotodetectorsPhotocatalysisOptoelectronic sensors
Reference

Frequently Asked Questions

Common questions about InAgS2, answered from cross-validated data.

What is InAgS2?

Silver indium sulfide is a ternary semiconductor material belonging to the chalcopyrite family. It is primarily investigated for its potential in optoelectronic devices and sustainable energy conversion technologies due to its favorable light-absorption characteristics.

More questions
What is InAgS2 used for?
InAgS2 is used in photovoltaic cells, photodetectors, photocatalysis, and optoelectronic sensors.
What is the band gap of InAgS2?
InAgS2 has a DFT-computed band gap of 0.11–0.51 eV across 33 reported structures.
Is InAgS2 a metal, semiconductor, or insulator?
With a band gap up to 0.51 eV it is a semiconductor.
Is InAgS2 thermodynamically stable?
Yes — InAgS2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of InAgS2?
The lowest-energy reported polymorph of InAgS2 is tetragonal symmetry, space group I-42d (No. 122).
What is the density of InAgS2?
The computed density of the ground-state structure of InAgS2 is 4.85 g/cm³.
How many polymorphs of InAgS2 are known?
33 structures of InAgS2 are reported across 3 databases, spanning 7 distinct space groups.
What elements does InAgS2 contain?
InAgS2 contains Ag, In, and S (3 elements).
Where does the data for InAgS2 come from?
InAgS2 data is cross-referenced from materials_project, jarvis, mpaloe.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • mpaloe — Data from mpaloe.

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