Ba4 Si2 Se8

semiconductor

· Ba4 Si2 Se8

Ba₄Si₂Se₈ is a quaternary semiconductor compound combining barium, silicon, and selenium in a layered crystal structure. This material belongs to the family of mixed-metal chalcogenides and is primarily investigated in research contexts for photovoltaic and optoelectronic applications. The compound's layered geometry and moderate bandgap make it a candidate for thin-film solar cells and infrared detectors, though it remains largely in the experimental phase without widespread commercial deployment compared to established semiconductors like CdTe or perovskites.

thin-film photovoltaicsinfrared optoelectronicsresearch-phase semiconductorschalcogenide materialsnonlinear optical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.301	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.518	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 Si2 Se8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control