Na2 Nb2 Se4

semiconductor

· Na2 Nb2 Se4

Na₂Nb₂Se₄ is a layered transition-metal chalcogenide semiconductor composed of sodium, niobium, and selenium. This is a research-phase material studied for its potential in optoelectronic and energy-storage applications, belonging to a family of van der Waals layered compounds that exhibit tunable band gaps and anisotropic electronic properties. The material is not yet widely deployed in commercial products but is of interest to researchers investigating alternatives to conventional semiconductors in thin-film devices, photodetectors, and solid-state energy devices where layered crystal structure and moderate mechanical stiffness enable novel functionality.

experimental optoelectronicsphotodetectors and photovoltaicslayered semiconductor researchenergy storage materialsthin-film devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	9,593.4	ksi	—
Shear Modulus(G)	6,110	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6257	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.058	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 Nb2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control