Ce2YbCuS5

semiconductor

· Ce2YbCuS5

Ce₂YbCuS₅ is a quaternary sulfide semiconductor compound combining rare-earth elements (cerium and ytterbium) with copper and sulfur. This is a research-phase material studied for its electronic and photonic properties rather than an established commercial product. The rare-earth sulfide family shows promise in thermoelectric devices, photocatalysis, and optoelectronic applications where the combination of rare-earth dopants can engineer bandgap and carrier transport properties; it represents an alternative research direction to more conventional semiconductors (Si, III-V compounds) where tuning composition via lanthanide substitution may enable specialized energy conversion or light-emission functions.

thermoelectric energy conversionphotocatalytic materialsoptoelectronics researchrare-earth semiconductor compoundsmaterials development phase

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.370	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.

Ce2YbCuS5

Electrical Properties

Regulatory Screening

Environmental

Export Control