S4 Ag2 In2

semiconductor
· S4 Ag2 In2

S4Ag2In2 is a quaternary semiconductor compound combining silver, indium, and sulfur in a layered or mixed-valence crystal structure, primarily of research interest rather than established commercial production. This material belongs to the broader family of ternary and quaternary semiconductors explored for optoelectronic and photovoltaic applications, where the combination of elements offers tunable bandgap and electronic properties distinct from binary or simple ternary alternatives. Interest in such compounds stems from potential applications in thin-film photovoltaics, photodetectors, and thermoelectric devices where the Ag-In-S chemical system can provide cost advantages or performance benefits over conventional materials like CdTe or CuInSe₂.

thin-film photovoltaics (research)photodetectorsoptoelectronic devicesthermoelectric materials (emerging)semiconductor researchnext-generation solar cells

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.
S4 Ag2 In2 — Properties & Data | MatWorld