Hg8 Se4 O12

semiconductor

· Hg8 Se4 O12

Hg8Se4O12 is a mixed-valence mercury selenite compound that belongs to the rare earth and transition metal oxychalcogenide family of semiconductors. This material is primarily of research interest for its potential in nonlinear optical applications, photocatalysis, and solid-state electronic devices, where its layered structure and selenium-oxygen coordination may enable tunable band gaps and photon conversion properties. While not yet widely deployed in commercial engineering, compounds in this chemical family are being investigated as alternatives to conventional semiconductors in niche applications requiring specific optical or electronic responses that differ from silicon or III-V semiconductors.

photocatalytic materials (research)nonlinear optical devices (emerging)solid-state sensors (experimental)optoelectronic researchmaterials science characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.291	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5730	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.

Hg8 Se4 O12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control