S2 Cu2 Ag2

semiconductor

· S2 Cu2 Ag2

S2Cu2Ag2 is an experimental semiconductor compound combining copper and silver chalcogenides, representing a mixed-metal sulfide system under investigation for optoelectronic and photovoltaic applications. This material family is being explored in research contexts for thin-film solar cells, photodetectors, and potentially thermoelectric devices, where the dual metal composition offers tunable bandgap and enhanced charge carrier mobility compared to single-metal alternatives. The copper-silver combination provides a route toward lower-cost, earth-abundant alternatives to conventional semiconductors like CdTe or CIGS, though the material remains largely in development stages with limited commercial deployment.

thin-film photovoltaicsexperimental optoelectronic devicesphotodetector researchchalcogenide semiconductorsmaterial substitution for cadmium-based systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	53.31	GPa	—
Shear Modulus(G)	16.75	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.03540	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1350	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.

S2 Cu2 Ag2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control