CsInGeSe4

semiconductor
· CsInGeSe4

CsInGeSe₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining cesium, indium, germanium, and selenium into a crystalline structure. This material is primarily of research interest for infrared optics and nonlinear optical applications, where its wide transparency window in the mid-to-far infrared region and potential nonlinear optical coefficients make it a candidate for specialized photonic devices. While not yet widely adopted in mainstream manufacturing, CsInGeSe₄ represents the broader class of complex chalcogenide semiconductors being investigated for advanced optical frequency conversion, infrared transmission windows, and quantum photonics where conventional materials like zinc selenide or gallium arsenide are insufficient.

infrared optical windowsnonlinear optics / frequency conversionphotonic research devicesmid-infrared spectroscopyquantum optics (emerging)

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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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.