CsInSe2

semiconductor

· CsInSe2

CsInSe₂ is a ternary chalcogenide semiconductor compound composed of cesium, indium, and selenium, belonging to the family of ABX₂ semiconductors with potential for optoelectronic and photovoltaic applications. This material is primarily investigated in research settings for infrared detection, solar cells, and radiation-hard detector applications due to its direct bandgap and relatively high atomic number composition. CsInSe₂ is notable within the chalcogenide semiconductor family for its potential to operate in the infrared spectrum where silicon and traditional III-V semiconductors have limitations, though it remains largely experimental compared to established alternatives like CdTe or GaAs.

infrared detectorsnext-generation photovoltaicsradiation detectionoptoelectronic devicesspace/military sensingexperimental semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.810	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.

CsInSe2

Electrical Properties

Regulatory Screening

Environmental

Export Control