Nb2Tl4S11

semiconductor

· Nb2Tl4S11

Nb₂Tl₄S₁₁ is a ternary chalcogenide semiconductor compound combining niobium, thallium, and sulfur. This is a research-phase material studied primarily for its electronic and optical properties within the broader family of metal sulfide semiconductors, rather than an established commercial material. Potential applications lie in thin-film photovoltaics, photodetectors, and thermoelectric devices where layered chalcogenide structures can offer tunable band gaps and low-dimensional electronic behavior; however, engineering adoption remains limited due to the material's early development stage, thallium's toxicity constraints, and the need for further characterization of synthesis scalability and environmental stability.

photovoltaic researchphotodetector developmentthermoelectric devicesthin-film semiconductorschalcogenide electronicslaboratory investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1829	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.800	eV	—
↳	1.145	eV	—
Seebeck Coefficient(S)	-300	µV/K	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.6067	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.

Nb2Tl4S11

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control