KNbO2S

semiconductor

· KNbO2S

KNbO₂S is a potassium niobium oxysulfide semiconductor compound that combines niobium, oxygen, and sulfur in a mixed-anion structure. This is a research-stage material currently studied for photocatalytic and optoelectronic applications, particularly in the context of sulfide-based semiconductors that offer tunable band gaps and enhanced light absorption compared to conventional oxides. The material belongs to the broader class of transition metal chalcogenides and oxychalcogenides, which are of growing interest as alternatives to traditional semiconductors for energy conversion and environmental remediation due to their chemical versatility and stability under humid conditions.

Photocatalytic water splittingEnvironmental remediationVisible-light photocatalysisOptoelectronic devices (research)Hydrogen generationDye degradation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.300	eV	—
Magnetic Moment(μB)	-0.0000479	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.4800	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.

KNbO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control