Rb1 Co2 S2

semiconductor

· Rb1 Co2 S2

Rb1Co2S2 is a ternary transition metal sulfide compound that functions as a semiconductor material. This is a research-phase compound belonging to the layered metal chalcogenide family, which has shown promise for thermoelectric and optoelectronic applications due to the combination of cobalt and sulfur chemistry with alkali metal doping. While not yet commercialized at scale, materials in this class are being investigated for energy conversion devices and next-generation electronic components where bandgap engineering and crystal symmetry offer design advantages over conventional semiconductors.

Thermoelectric energy conversion (research)Optoelectronic devices (experimental)Photovoltaic absorber layers (emerging)Solid-state electronics (lab-scale)High-temperature electrical applications (exploratory)Materials discovery and band engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	8,281.7	ksi	—
Shear Modulus(G)	5,354.8	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00240	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7130	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.

Rb1 Co2 S2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control