KCu2BiS3

semiconductor

· KCu2BiS3

KCu2BiS3 is a ternary chalcogenide semiconductor compound combining potassium, copper, bismuth, and sulfur elements. This material remains primarily in the research and development phase, investigated for potential optoelectronic and thermoelectric applications due to its layered crystal structure and tunable band gap characteristics typical of heavy-metal chalcogenide systems. The compound represents an emerging class of materials being explored as alternatives to lead-based semiconductors in photovoltaics and solid-state devices, leveraging bismuth's less-toxic profile compared to conventional toxic elements.

experimental photovoltaicsthermoelectric devicesthin-film semiconductorsoptoelectronic researchlead-free alternatives

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.015	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.290	eV	—
↳	0.6010	eV	—
Magnetic Moment(μB)	0.000	µB	—

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)	0.03100	eV/atom	—
Formation Energy(ΔHf)	-0.5762	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.

KCu2BiS3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control