K2AgBiI6 — Properties & Data | MatWorld

K2AgBiI6

metal

· JVASP-110356· K2AgBiI6

K2AgBiI6 is a mixed-metal halide compound containing potassium, silver, and bismuth with iodine, representing an emerging class of materials in the perovskite and halide family. This is primarily a research material being investigated for optoelectronic and photovoltaic applications, particularly as a lead-free alternative in next-generation solar cells and radiation detection systems. The compound's notable advantage lies in its potential to combine the stability and availability of bismuth with the optoelectronic tunability of halide perovskites, offering a more environmentally and economically viable pathway compared to lead-based perovskites currently used in commercial photovoltaic devices.

solar cell absorbersperovskite photovoltaicsradiation detectionoptoelectronic devicesresearch/developmental applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,108.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	1,160.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1599	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7580	eV	DFT · OptB88vdW
↳	1.473	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.347	-	DFT · OptB88vdW
↳	5.083	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.68	%	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)	0.09570	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7708	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

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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.

K2AgBiI6

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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