K8 Se20

semiconductor

· K8 Se20

K8Se20 is an experimental selenium-rich compound in the chalcogenide semiconductor family, composed primarily of potassium and selenium. This material is of research interest for optoelectronic and photovoltaic applications, where chalcogenide semiconductors are explored for their tunable bandgaps and potential in infrared sensing or thin-film device architectures. Compared to more established semiconductors like silicon or III-V compounds, chalcogenides offer advantages in specific wavelength ranges and can be processed at lower temperatures, though they remain largely in development stages for commercial deployment.

infrared detectorsthin-film photovoltaicsresearch optoelectronicschalcogenide phase-change materialslaboratory-scale devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.04330	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6300	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.

K8 Se20

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control