Ag4 Se2

semiconductor

· Ag4 Se2

Ag₄Se₂ is a silver selenide compound belonging to the family of chalcogenide semiconductors, which are materials combining metals with elements from Group 16 (chalcogens like selenium). This is a research-phase material rather than an established commercial product; silver selenides are investigated primarily for their potential in optoelectronic and thermoelectric applications where controllable electronic properties and thermal transport are valuable. The material family is of interest as an alternative to more conventional semiconductors in niche applications requiring specific bandgap characteristics or in devices where silver's ionic mobility can be engineered for enhanced performance.

research optoelectronicsthermoelectric devicessemiconductor thin filmsphotovoltaic developmentionic conductorsadvanced materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	68.09	GPa	—
Shear Modulus(G)	9.513	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.05590	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.01700	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.

Ag4 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control