K2RbBiI6 — Properties & Data | MatWorld

K2RbBiI6

ceramic

· JVASP-99595· K2RbBiI6

K2RbBiI6 is a halide perovskite ceramic compound composed of potassium, rubidium, bismuth, and iodine. This material is primarily investigated in research settings as a candidate for optoelectronic and photovoltaic applications, particularly in next-generation solar cells and light-emitting devices where lead-free alternatives are critical. The mixed-alkali halide perovskite structure offers potential advantages in stability and reduced toxicity compared to conventional lead halide perovskites, though it remains largely in the development phase rather than in widespread industrial production.

lead-free perovskite solar cellsphotovoltaic researchoptoelectronic devicesradiation detectionscintillator materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.555	kg/m³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.778	eV	DFT · OptB88vdW
↳	3.324	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.581	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.140	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1685	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9721	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

K2RbBiI6

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental