CsAsSe2

semiconductor

· CsAsSe2

CsAsSe₂ is a ternary semiconductor compound composed of cesium, arsenic, and selenium, belonging to the family of chalcogenide semiconductors. This material is primarily of research interest for infrared optics and photonic applications, where its wide bandgap and optical transparency in the infrared region make it potentially valuable for specialized detectors and optical windows. While not widely deployed in mainstream industrial applications, cesium-based chalcogenides are explored as alternatives to conventional IR materials due to their tunable electronic properties and potential for cost-effective fabrication in niche photonic and sensing applications.

infrared optics and detectorsphotonic research materialsoptoelectronic sensingadvanced semiconductor researchspecialized optical windows

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.860	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.

CsAsSe2

Electrical Properties

Regulatory Screening

Environmental

Export Control