Rb2Cu2Sb2S5

semiconductor

· Rb2Cu2Sb2S5

Rb2Cu2Sb2S5 is a quaternary sulfide semiconductor compound combining rubidium, copper, antimony, and sulfur in a layered or framework crystal structure. This is a research-phase material studied for its potential in photovoltaic conversion, thermoelectric energy harvesting, and optoelectronic applications, with interest driven by its tunable bandgap and mixed-valence copper chemistry that can enable enhanced charge transport compared to binary or ternary alternatives.

photovoltaic absorber layersthermoelectric energy conversionoptoelectronic devicessolid-state researchsemiconductor bandgap engineeringthin-film device development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.600	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.

Rb2Cu2Sb2S5

Electrical Properties

Regulatory Screening

Environmental

Export Control