Ba4 Sn4 S8

semiconductor

· Ba4 Sn4 S8

Ba₄Sn₄S₈ is a quaternary sulfide semiconductor compound combining barium, tin, and sulfur elements. This material belongs to the thiostannate family and is primarily of research interest for exploring novel semiconducting phases with potential applications in optoelectronics and solid-state devices. While not yet widely commercialized, compounds in this chemical family are investigated for their tunable band gaps, ionic conductivity, and potential use in photovoltaic or photocatalytic systems where sulfide-based semiconductors offer alternatives to oxide or halide perovskites.

research semiconductorsphotovoltaic materials (experimental)photocatalysissolid-state optoelectronicssulfide compound libraries

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,657.3	ksi	—
Shear Modulus(G)	2,440.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.762	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.444	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.

Ba4 Sn4 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control