KCeSe4

semiconductor

· KCeSe4

KCeSe₄ is a rare-earth selenide compound that functions as a semiconductor material, belonging to the family of metal selenides with potential for optoelectronic and photovoltaic applications. This is primarily a research-phase material studied for its electronic band structure and light-interaction properties; it has not yet achieved widespread commercial deployment. The material is notable within the rare-earth semiconductor family for its composition combining potassium, cerium, and selenium, making it relevant to researchers exploring novel semiconductors for infrared detection, thermoelectric devices, or next-generation photovoltaic systems where conventional materials face performance limitations.

infrared optoelectronics (research)thermoelectric devices (research)photovoltaic materials (experimental)rare-earth semiconductor developmenthigh-bandgap electronics (research)materials discovery and characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.944	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.540	eV	—
↳	0.000	eV	—
Seebeck Coefficient(S)	-34.80	µV/K	—

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)	0.02920	eV/atom	—
Formation Energy(ΔHf)	-1.198	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.

KCeSe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control