K2CuBiBr6

metal
· JVASP-100473· K2CuBiBr6

K2CuBiBr6 is a halide perovskite compound containing potassium, copper, bismuth, and bromine—a member of the double-perovskite family that has emerged as a research material for optoelectronic and photovoltaic applications. This is an experimental compound rather than an established engineering material; it is being investigated primarily for potential use in solar cells, LEDs, and radiation detection due to the stability advantages of double-perovskite structures compared to lead-based alternatives. The bismuth-copper framework offers a more environmentally benign composition while maintaining semiconductor-like electronic properties, making it relevant to researchers developing next-generation low-toxicity photovoltaic and imaging devices.

Perovskite solar cellsLead-free photovoltaicsRadiation detectionOptoelectronic devicesMaterials research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
4.213
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.7240
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.05030
eV/atom—
Formation Energy(ΔHf)
-1.058
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.