K1 Cu4 Se3

semiconductor

· K1 Cu4 Se3

K1 Cu4 Se3 is a ternary copper selenide semiconductor compound combining potassium, copper, and selenium elements. This material belongs to the broader family of metal chalcogenides, which are of significant research interest for thermoelectric and photovoltaic applications due to their tunable electronic and thermal properties. As a relatively specialized compound, K1 Cu4 Se3 is primarily explored in academic and exploratory industrial research rather than established high-volume manufacturing, offering potential advantages in energy conversion technologies where selective band gap engineering and phonon scattering control are valuable.

thermoelectric energy conversionphotovoltaic researchsolid-state electronicslow-temperature device materialsemerging semiconductorsmaterials research & development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	44.40	GPa	—
Shear Modulus(G)	15.56	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00330	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3840	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.

K1 Cu4 Se3

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control