K2 H2 S2

semiconductor
· K2 H2 S2

K2H2S2 is an experimental semiconductor compound belonging to the potassium sulfide family, currently studied in materials research rather than established in commercial production. This material is of interest in the semiconductor and optoelectronic research community as a potential photovoltaic absorber or functional component in solid-state devices, with the sulfide compound class offering tunable electronic properties and potential advantages in thin-film applications. The material remains primarily in the research phase, and engineers would consider it only for exploratory projects in next-generation photovoltaics, solid-state chemistry, or fundamental device research rather than for established industrial applications.

experimental photovoltaicssolid-state semiconductor researchthin-film device developmentoptoelectronic prototyping

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
—
ksi——
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.
K2 H2 S2 — Properties & Data | MatWorld