H4 O12 Ta4

semiconductor

· H4 O12 Ta4

H₄O₁₂Ta₄ is a hydrated tantalum oxide compound that belongs to the ceramic/oxide semiconductor family, specifically a polyoxometalate or mixed-valence tantalum hydroxide system. This material is primarily of research and developmental interest rather than established production use, with potential applications in advanced ceramics, catalysis, and electrochemistry where tantalum's chemical stability and electronic properties are leveraged. Compared to conventional tantalum pentoxide (Ta₂O₅), the hydrated form may offer different surface chemistry, porosity, and ion-transport characteristics that could be valuable in specialized electrochemical devices or photocatalytic systems.

research ceramicscatalyst supportselectrochemical deviceswater treatmentphotocatalysisadvanced semiconductor synthesis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.814	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.322	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.

H4 O12 Ta4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control