K2 Nb2 Se4

semiconductor

· K2 Nb2 Se4

K2Nb2Se4 is a layered transition metal dichalcogenide semiconductor compound composed of potassium, niobium, and selenium. This material is primarily of research interest for next-generation optoelectronic and energy storage applications, with the layered structure characteristic of this material family offering tunable electronic properties and potential advantages in devices requiring van der Waals heterostructures, where weak interlayer interactions enable novel stacking configurations.

2D semiconductor researchphotovoltaic devicesphotodetectorsenergy storage electrodesoptoelectronic devicesvan der Waals heterostructures

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	61.89	GPa	—
Shear Modulus(G)	39.45	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8041	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.067	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.

K2 Nb2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control