Tl2 Ni3 S2

semiconductor

· Tl2 Ni3 S2

Tl₂Ni₃S₂ is a ternary chalcogenide semiconductor compound combining thallium, nickel, and sulfur into a layered crystal structure. This is primarily a research material studied for its electronic and thermal transport properties, rather than an established commercial material; it belongs to the family of transition-metal chalcogenides being investigated for thermoelectric and optoelectronic device applications where the interplay of multiple elements can yield tunable band gaps and carrier mobility.

thermoelectric energy conversion (research)optoelectronic devices (exploratory)solid-state physics studiessemiconductor band engineeringthin-film device developmentlow-dimensional materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02070	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3190	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.

Tl2 Ni3 S2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control