Ta4 S9 Br8

semiconductor

· Ta4 S9 Br8

Ta₄S₉Br₈ is a mixed-halide layered chalcogenide semiconductor compound combining tantalum, sulfur, and bromine in a complex stoichiometric structure. This is an experimental research material belonging to the family of transition metal chalcohalides, which are of interest for their tunable electronic properties and potential in next-generation optoelectronic and thermoelectric devices. Such compounds are still primarily in the laboratory development phase, with potential applications emerging in thin-film electronics, photovoltaics, and solid-state sensing where compositional engineering offers band-gap tunability and enhanced light absorption compared to simpler binary semiconductors.

research semiconductorslayered chalcogenidesoptoelectronic device developmentthermoelectric materials researchphotovoltaic experimentsthin-film electronics prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.194	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8480	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.

Ta4 S9 Br8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control