CsTaO2S

ceramic
· CsTaO2S

CsTaO₂S is an experimental ternary ceramic compound combining cesium, tantalum, oxygen, and sulfur—representing a mixed-anion oxysulfide material class. This compound is primarily of research interest for photocatalytic and optoelectronic applications, as the incorporation of both oxide and sulfide anions can modify electronic band structure and light absorption properties compared to conventional binary oxides or sulfides. While not yet commercialized at scale, oxysulfide ceramics like CsTaO₂S are investigated for solar energy conversion, environmental remediation, and next-generation semiconductor devices where tunable bandgap and enhanced visible-light responsiveness offer advantages over titanium dioxide and other conventional photocatalysts.

photocatalysis and water treatmentsolar energy conversionoptoelectronic research materialsvisible-light photocatalystsexperimental semiconductorsenvironmental remediation

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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μB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

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.
CsTaO2S — Properties & Data | MatWorld