Rb4 Sb12 Se20

semiconductor

· Rb4 Sb12 Se20

Rb4Sb12Se20 is a mixed-metal chalcogenide semiconductor compound belonging to the family of rare earth and alkali metal selenide materials. This is a research-phase material studied primarily for its potential in thermoelectric applications and solid-state electronics, where layered chalcogenide structures offer tunable band gaps and low thermal conductivity. The compound combines rubidium, antimony, and selenium in a specific stoichiometry designed to optimize charge carrier mobility and phonon scattering for next-generation energy conversion or advanced semiconductor device development.

thermoelectric energy conversionsolid-state semiconductor researchlow-dimensional electronic devicesthermal management applicationsquantum material studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	21.49	GPa	—
Shear Modulus(G)	11.37	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.220	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4800	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.

Rb4 Sb12 Se20

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control