K2CuNbSe4

semiconductor

· K2CuNbSe4

K2CuNbSe4 is a quaternary chalcogenide semiconductor compound composed of potassium, copper, niobium, and selenium. This material belongs to the family of layered metal chalcogenides and is primarily investigated in research contexts for its potential in photovoltaic and thermoelectric applications, where its tunable bandgap and layered crystal structure offer advantages over conventional semiconductors in energy conversion efficiency and thermal management.

photovoltaic devicesthermoelectric applicationsresearch semiconductorssolar cellsenergy conversionthin-film electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.140	eV	—

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.

K2CuNbSe4

Electrical Properties

Regulatory Screening

Environmental

Export Control