Nb4 S12

semiconductor

· Nb4 S12

Nb4S12 is a layered transition metal sulfide semiconductor compound combining niobium and sulfur in a well-defined stoichiometric ratio. This material belongs to the family of metal dichalcogenides and is primarily of research interest for its potential in electronic and optoelectronic applications, where its layered crystal structure offers tunable electronic properties similar to other 2D materials. While not yet widely deployed in commercial products, Nb4S12 and related niobium sulfides are investigated for photodetectors, field-effect transistors, and energy storage devices due to their semiconducting nature and potential for exfoliation into thin layers.

Research semiconductorsOptoelectronic devicesPhotodetectors2D materials (potential)Energy storage (exploratory)Field-effect transistors (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,318	ksi	—
Shear Modulus(G)	4,625.7	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.07760	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8670	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.

Nb4 S12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control