Cs5P5Se12

semiconductor
· Cs5P5Se12

Cs5P5Se12 is a mixed-valent cesium phosphorus selenide compound belonging to the family of heavy-element chalcogenides, currently investigated as a research material for advanced semiconductor and photonic applications. This compound exists primarily in the scientific literature as an experimental phase, studied for its potential in infrared optics, nonlinear optical devices, and solid-state physics due to the combination of heavy anions (selenium) and alkali-metal cations (cesium) that can produce wide bandgaps and large optical nonlinearity. Engineers considering this material should recognize it as a materials-discovery candidate rather than an established engineering standard, relevant for exploratory projects in next-generation infrared sensing, frequency conversion, or specialized optical windows where conventional semiconductors prove inadequate.

infrared optics and sensingnonlinear optical devicesexperimental semiconductorsphotonic researchsolid-state physics studiesfrequency conversion applications

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.
Cs5P5Se12 — Properties & Data | MatWorld