Bi2 Na2 Se4

semiconductor

· Bi2 Na2 Se4

Bi₂Na₂Se₄ is a layered chalcogenide semiconductor compound composed of bismuth, sodium, and selenium, belonging to the family of mixed-metal selenides. This material is primarily investigated in research contexts for potential applications in thermoelectric energy conversion and optoelectronic devices, where its layered crystal structure and electronic properties offer advantages over conventional semiconductors in specific niche applications.

thermoelectric energy harvestingoptoelectronic research devicesinfrared detectorsquantum materials researchsolid-state electronicsnext-generation semiconductor exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	6,376.9	ksi	—
Shear Modulus(G)	4,064	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.7789	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7510	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.

Bi2 Na2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control