Te2 W4 Se4 S2

semiconductor

· Te2 W4 Se4 S2

Te2W4Se4S2 is a mixed chalcogenide semiconductor compound containing tungsten, tellurium, selenium, and sulfur—a research-phase material belonging to the broader family of transition metal chalcogenides. This quaternary composition represents an emerging class of materials studied for layered crystal structures and tunable electronic properties, primarily in academic and exploratory industrial research rather than established high-volume manufacturing. The material's potential lies in optoelectronic and energy conversion applications where the combined chalcogenide elements may enable band-gap engineering and improved photon absorption compared to binary or ternary alternatives.

Photovoltaic researchOptoelectronic devicesThermoelectric energy conversionSemiconductor thin filmsEmerging materials developmentMaterials characterization studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.2951	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6210	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.

Te2 W4 Se4 S2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control