Se
metal· JVASP-14915· Se
Selenium is a brittle metalloid element with semiconductor properties, commonly available in elemental form for industrial applications. It is widely used in photovoltaic devices, photocopiers, and glass manufacturing due to its light-sensitive characteristics and ability to improve material properties. Engineers select selenium for its unique combination of electrical conductivity that varies with light exposure, making it essential in imaging technologies and renewable energy applications, while also serving as an additive in alloys and ceramics to enhance corrosion resistance and mechanical performance.
photovoltaic cells and solar devicesxerographic imaging and photocopiersglass and ceramic additivescorrosion-resistant coatingssemiconductor applicationsphotodetectors and optical sensors
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 10,239.7 | ksi | — | ||
Exfoliation Energy(Eexf) | 147.2 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.4000 | - | — | ||
Shear Modulus(G) | 2,549.8 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2065 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 23.44 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.4269 | C/m² | — | ||
Seebeck Coefficient(S) | 0.4400 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.1337 | 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.