Rb2CuBiBr6

metal

· JVASP-111219· Rb2CuBiBr6

Rb2CuBiBr6 is a lead-free halide perovskite compound containing rubidium, copper, and bismuth—an experimental material class currently under research for optoelectronic and photovoltaic applications. This composition represents an emerging effort to develop stable, non-toxic alternatives to lead-based perovskites, with potential relevance in next-generation solar cells, photodetectors, and solid-state light-emitting devices where toxicity constraints or regulatory pressure exclude conventional lead perovskites. The double-perovskite structure (A2B′B″X6) offers improved stability compared to single-cation perovskites, though material maturity remains in the laboratory phase.

perovskite photovoltaics (research phase)lead-free solar cellsphotodetectorsoptoelectronic semiconductorshalide perovskite alternatives

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.635	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6470	eV	—
Magnetic Moment(μB)	0.000	µB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-1.134	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.

Rb2CuBiBr6

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control