Na2 S8 Cu4 Nb2

semiconductor

· Na2 S8 Cu4 Nb2

Na2S8Cu4Nb2 is an experimental quaternary semiconductor compound combining sodium, sulfur, copper, and niobium elements. This material represents an emerging class of mixed-metal sulfides being investigated for potential optoelectronic and energy storage applications, though industrial-scale use is not yet established. The incorporation of transition metals (copper and niobium) alongside alkali and chalcogen elements suggests researchers are exploring novel electronic and ionic transport properties that may differ significantly from conventional binary or ternary semiconductors.

experimental semiconductorssolid-state batteriesthermoelectric devicesphotovoltaic researchion conductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	2,475.4	ksi	—
Shear Modulus(G)	1,369.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.665	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7950	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.

Na2 S8 Cu4 Nb2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control