AlAgSe2
semiconductor· AlAgSe2
AlAgSe2 is a ternary semiconductor compound combining aluminum, silver, and selenium in a chalcopyrite-type crystal structure. This material is primarily of research and developmental interest, studied for optoelectronic and photovoltaic applications where its bandgap and optical properties offer potential advantages in light absorption and conversion. While not yet commercialized at scale, ternary selenide semiconductors like AlAgSe2 represent an emerging class being explored as alternatives to binary semiconductors in specialized photonic and solid-state devices.
photovoltaic researchoptoelectronic devicessemiconductor researchnon-linear opticsthin-film solar cellsexperimental compound development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 51.88 | GPa | — | ||
| ↳ | 57.13 | GPa | — | ||
Poisson's Ratio(ν) | 0.3700 | - | — | ||
Shear Modulus(G)2 entries | 17.93 | GPa | — | ||
| ↳ | 17.20 | GPa | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.877 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.550 | eV | — | ||
| ↳ | 1.219 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 9.700 | - | — | ||
| ↳ | 9.828 | - | — | ||
| ↳ | 8.614 range 7.541–9.688median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.09555 | C/m² | — | ||
| ↳ | 0.6327 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -49.01 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6495 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.