Ag2 Sb2 Se4

semiconductor

· Ag2 Sb2 Se4

Ag₂Sb₂Se₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining silver, antimony, and selenium in a crystalline structure. This material is primarily investigated in research contexts for thermoelectric applications and infrared photonics, where its narrow bandgap and moderate elastic properties enable efficient heat-to-electricity conversion or mid-IR optical transmission. While not yet in widespread commercial production, chalcogenide semiconductors like this are valued alternatives to conventional materials in specialized applications requiring low-cost processing, flexibility, or operation in the infrared spectrum.

thermoelectric devices and power generationinfrared optical componentssolid-state cooling systemsphotovoltaic researchspecialty semiconductor researchheat management applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	40.38	GPa	—
Shear Modulus(G)	20.33	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00370	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1800	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.

Ag2 Sb2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control