Bi7S9Cl3

ceramic
· JVASP-29980· Bi7S9Cl3

Bi7S9Cl3 is a mixed-valent bismuth chalcohalide ceramic compound combining bismuth, sulfur, and chlorine in a layered crystal structure. This material belongs to an emerging family of hybrid halide-chalcogenide ceramics that are primarily of research interest for their unique electronic and photonic properties. Potential applications focus on semiconductor devices, photocatalysis, and solid-state ionics where the structural flexibility of chalcohalide frameworks offers tunable band gaps and ion-transport pathways; however, this compound remains largely in the exploratory phase with limited industrial implementation compared to conventional bismuth compounds or halide perovskites.

research semiconductorsphotocatalytic materialssolid-state ionicsoptoelectronic deviceslayered compound synthesis

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
0.2137
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.9390
eV
Dielectric Constant (Relative Permittivity)(εr)
106.8
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.3909
C/m²
Seebeck Coefficient(S)
-285.8
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.1288
eV/atom
Formation Energy(ΔHf)
-0.4441
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.