Te4 W3 Se2

semiconductor

· Te4 W3 Se2

Te₄W₃Se₂ is a mixed chalcogenide semiconductor compound combining tellurium, tungsten, and selenium—a research-phase material being explored for its potential optoelectronic and thermoelectric properties. This composition sits within the broader family of transition metal chalcogenides, which are of significant interest for next-generation photovoltaics, infrared detectors, and solid-state energy conversion devices. The material's mixed-anion structure offers tunable electronic properties compared to binary chalcogenides, making it relevant to materials scientists developing alternatives to conventional semiconductors for niche high-performance applications.

thermoelectric devicesinfrared photodetectorsexperimental photovoltaicsoptical sensingresearch-stage semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	49.51	GPa	—
Shear Modulus(G)	-10.65	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1981 range 0.1973–0.1990median of 2 measurements	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1630 range -0.1730–-0.1530median of 2 measurements	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 W3 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control