Bi4 Sb4 O20

semiconductor

· Bi4 Sb4 O20

Bi₄Sb₄O₂₀ is a mixed-metal oxide semiconductor compound containing bismuth and antimony in a pyrochlore or related crystal structure. This material belongs to the family of bismuth–antimony oxides, which are of primary interest in photocatalysis and electrochemical energy storage research rather than established industrial production. The compound is notable as a potential photocatalytic material for environmental remediation and as a candidate for thermoelectric or electrochemical applications, though it remains largely in the experimental phase—making it relevant for research teams investigating visible-light-driven catalysts or advanced functional ceramics rather than conventional engineering practice.

photocatalysis researchenvironmental remediationvisible-light catalystselectrochemical energy storagefunctional ceramic developmentbismuth-based semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.03070	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9080	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.

Bi4 Sb4 O20

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control