K2 Pr2 Ge2 Se8

semiconductor
· K2 Pr2 Ge2 Se8

K₂Pr₂Ge₂Se₈ is a quaternary chalcogenide semiconductor compound combining potassium, praseodymium, germanium, and selenium—a composition primarily studied in advanced materials research rather than established commercial production. This material belongs to the family of rare-earth germanium selenides, which are investigated for their potential in infrared optics, photonic devices, and solid-state electronics due to the optical and electronic properties imparted by rare-earth dopants and the selenide matrix. While not yet widely deployed in mainstream engineering applications, materials of this class are of growing interest to researchers developing next-generation infrared windows, laser hosts, and semiconductor devices where rare-earth luminescence and selenide-based band structures offer advantages over conventional alternatives.

infrared optics and windowsrare-earth photonics researchsolid-state laser materialsadvanced semiconductor devicesquantum and photonic applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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Pa——
Shear Modulus(G)
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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.