K2 Nb2 S4

semiconductor

· K2 Nb2 S4

K₂Nb₂S₄ is a layered transition metal dichalcogenide semiconductor compound combining potassium, niobium, and sulfur in a two-dimensional crystal structure. This material is primarily investigated in research contexts for its potential in optoelectronic and photocatalytic applications, leveraging the electronic properties characteristic of the niobium dichalcogenide family. Engineers and researchers consider K₂Nb₂S₄ for next-generation energy conversion and light-responsive device architectures where the layered structure enables tunable bandgap and enhanced interfacial interactions.

photocatalysis research2D semiconductorsoptoelectronic devicesenergy conversionbattery electrode materialshydrogen evolution catalysis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	75.38	GPa	—
Shear Modulus(G)	48.15	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8883	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.325	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 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control