K2 V2 Cu4 Se8

semiconductor

· K2 V2 Cu4 Se8

K2V2Cu4Se8 is a quaternary chalcogenide semiconductor compound combining potassium, vanadium, copper, and selenium elements. This is a research-phase material studied primarily in the context of solid-state chemistry and materials discovery, belonging to the broader family of complex selenide compounds that show promise for thermoelectric and optoelectronic applications. Interest in this composition stems from its potential to combine the electronic properties of transition metal selenides with alkali metal doping effects, though industrial production and standardized applications remain limited to laboratory synthesis and characterization.

thermoelectric devices (research)solid-state optoelectronics (experimental)photovoltaic absorber layers (exploratory)materials discovery screeningchalcogenide compound developmentsemiconductor band-gap engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,941.8	ksi	—
Shear Modulus(G)	1,724.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8357	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7110	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.

K2 V2 Cu4 Se8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control