Cu2 Se8 Rb4 Ta2

semiconductor

· Cu2 Se8 Rb4 Ta2

Cu₂Se₈Rb₄Ta₂ is an experimental quaternary chalcogenide semiconductor compound combining copper, selenium, rubidium, and tantalum in a layered crystal structure. This material belongs to the family of complex selenide semiconductors under active research for thermoelectric and optoelectronic device applications, where the combination of transition metals (Cu, Ta) with alkali metals (Rb) and chalcogens (Se) can produce tunable electronic and phononic properties. While not yet in commercial production, compounds in this family are investigated for next-generation energy conversion and solid-state device engineering due to their potential for low thermal conductivity and controllable band structures.

thermoelectric materials (research)solid-state optoelectronics (experimental)energy harvesting devicessemiconductor researchlow-dimensional electronicsmaterials science investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.048	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.016	eV/atom	—

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.

Cu2 Se8 Rb4 Ta2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control