Cs2Te
semiconductor· Cs2Te
Cesium telluride (Cs₂Te) is a binary compound semiconductor composed of cesium and tellurium, belonging to the family of alkali metal chalcogenides. This material is primarily of research and specialized industrial interest, valued for its photoemissive properties and use in vacuum optoelectronic devices where efficient electron emission from photon absorption is critical.
photomultiplier tubesimage intensifiersultraviolet detectorsvacuum photodiodesnight vision systemsresearch optoelectronics
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Dielectric Constant (Relative Permittivity)(εr) | — median of 2 measurements | - | — | — |
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.