Ta2 V2 O8

semiconductor
· Ta2 V2 O8

Ta₂V₂O₈ is a mixed-metal oxide semiconductor compound combining tantalum and vanadium oxides, belonging to the class of transition metal oxides with potential electrochemical and photocatalytic activity. This material is primarily investigated in research contexts for energy storage and photocatalytic applications, where the combination of two redox-active transition metals offers tunable electronic properties and enhanced charge carrier dynamics compared to single-component oxides. Its notable advantage over conventional semiconductors lies in its mixed-valence composition, which can enable improved performance in electrochemical devices and photocatalysis, though it remains largely an emerging material rather than a mature commercial product.

photocatalytic water splittingenergy storage electrodesphotoelectrochemical cellscatalytic oxidation processessemiconductor device researchnext-generation battery materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
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.
Ta2 V2 O8 — Properties & Data | MatWorld