Te4 Au2 I2

semiconductor

· Te4 Au2 I2

Te₄Au₂I₂ is an intermetallic semiconductor compound combining tellurium, gold, and iodine in a fixed stoichiometric ratio. This is a research-phase material studied for its potential in thermoelectric and optoelectronic device applications, where the combination of heavy elements (Au, Te) and halide components (I) may offer bandgap engineering opportunities and phonon-scattering benefits. While not yet in mainstream commercial use, compounds in this family are of interest to materials researchers exploring niche high-performance semiconductor and energy-conversion applications.

thermoelectric devices (research)optoelectronic semiconductors (experimental)solid-state energy conversionbandgap-engineered materialshalide-based semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00430	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.09900	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.

Te4 Au2 I2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control