TaTaO2S

ceramic

· TaTaO2S

TaTaO₂S is a mixed-valence tantalum oxide sulfide ceramic compound combining tantalum, oxygen, and sulfur elements. This is an emerging research material within the broader family of transition metal chalcogenides and oxychalcogenides, investigated primarily for photocatalytic and optoelectronic applications due to its narrow bandgap and unusual electronic structure. The material remains largely experimental, with potential advantages over conventional semiconductors in visible-light photocatalysis, water splitting, and environmental remediation where sulfur incorporation can tune electronic properties and enhance light absorption compared to pure oxide counterparts.

photocatalytic water splittingenvironmental remediationvisible-light photocatalysisoptoelectronic devicesresearch semiconductorsbandgap engineering

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · GLLB-SC
Magnetic Moment(μB)	-0.00449	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.5600	eV/atom	DFT

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

TaTaO2S — Properties & Data | MatWorld

TaTaO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental