Te4 Pb4

semiconductor

· Te4 Pb4

Te4Pb4 is a binary intermetallic compound composed of tellurium and lead in a 1:1 stoichiometric ratio, belonging to the class of narrow-bandgap semiconductors and narrow-gap semimetals. This material is primarily of research interest for thermoelectric and optoelectronic applications, where the Te-Pb system offers potential advantages in mid-infrared sensing and solid-state energy conversion. Te4Pb4 and related tellurium-lead compounds are notable for their potential in thermal-to-electrical energy conversion and infrared detector systems, though practical use remains largely experimental compared to mature semiconductor alternatives like PbTe and established thermoelectric materials.

thermoelectric devicesinfrared detectorsnarrow-gap semiconductorsresearch/experimental applicationsmid-infrared sensingheat-to-electricity conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.09220	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3780	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 Pb4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control