KPrS2

ceramic
· JVASP-1804· KPrS2

KPrS₂ is a rare-earth sulfide ceramic compound containing potassium and praseodymium, representing a member of the layered metal chalcogenide family. This material is primarily investigated in research contexts for optical, electronic, and photocatalytic applications where rare-earth dopants and sulfide matrices offer tunable band gaps and light-responsive properties. KPrS₂ and related compounds are of interest in advanced ceramics research for potential use in photocatalysis, optoelectronics, and materials screening for next-generation energy conversion devices, though industrial deployment remains limited compared to conventional oxides and nitrides.

photocatalysis researchrare-earth ceramic compoundsoptoelectronic materials developmentsulfide-based ceramicsadvanced materials screeningsolid-state chemistry investigations

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
43.36
GPa
Poisson's Ratio(ν)
0.2400
-
Shear Modulus(G)
28.41
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
3.609
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
2.254
eV
Dielectric Constant (Relative Permittivity)(εr)
15.97
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-271.9
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-2.008
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

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.