Rb1 Cu4 S3

semiconductor
· Rb1 Cu4 S3

Rb1Cu4S3 is a ternary copper sulfide compound combining rubidium, copper, and sulfur in a 1:4:3 stoichiometry, belonging to the family of mixed-metal chalcogenides with semiconductor character. This material remains largely in the research phase, with investigation focused on its electronic properties and potential applications in emerging photovoltaic and thermoelectric technologies where copper sulfide semiconductors show promise as alternatives to conventional materials. The inclusion of rubidium as an alkali-metal dopant or structural modifier distinguishes it from simpler binary copper sulfides, offering potential avenues for bandgap tuning and defect management in next-generation energy conversion devices.

experimental photovoltaic absorbersthermoelectric devicescopper sulfide semiconductor researchthin-film solar cellssolid-state electronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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.