K1 Cu4 S3

semiconductor
· K1 Cu4 S3

K1 Cu4 S3 is a copper sulfide semiconductor compound, likely a synthetic or research-phase material within the copper chalcogenide family that exhibits semiconducting properties. This material family has attracted interest in photovoltaic devices, photodetectors, and thermoelectric applications due to favorable band gaps and charge carrier dynamics, though K1 Cu4 S3 itself remains largely in development or specialized research contexts rather than mainstream industrial production. Engineers evaluating this material should consider it primarily for emerging applications where its semiconducting characteristics and stiffness can be leveraged in thin-film or nanostructured form, while recognizing that processing routes and long-term reliability data may still be limited compared to mature semiconductor alternatives.

photovoltaic researchphotodetector devicesthermoelectric applicationsthin-film semiconductorschalcogenide materials researchoptoelectronic prototyping

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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Pa——
Shear Modulus(G)
—
Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
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.