K2 Th1 Cu2 S4

semiconductor
· K2 Th1 Cu2 S4

K₂Th₁Cu₂S₄ is a ternary sulfide semiconductor compound combining potassium, thorium, and copper in a layered or framework crystal structure. This is a research-phase material primarily of interest in solid-state chemistry and materials science; it belongs to the family of mixed-metal sulfides being explored for thermoelectric, photovoltaic, or ionic conductivity applications where multi-element compositions can engineer band gaps and carrier transport. The incorporation of thorium is uncommon in commercial semiconductors and suggests this compound is under investigation for niche applications requiring specific electronic or optical properties, though it remains largely in the experimental domain rather than established industrial use.

experimental thermoelectricssolid-state researchsemiconductor band-gap engineeringmixed-metal sulfide compoundsphotovoltaic developmentionic transport materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
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.