Tl2S
thallium(I) sulfide · thallous sulfide
Thallium(I) sulfide is a stable semiconducting compound frequently investigated for its utility in infrared sensing and optical applications.
About thallium(I) sulfide
Thallium(I) sulfide is a distinct binary chalcogenide that exists as a thermodynamically stable phase on the convex hull. Its electronic character as a semiconductor makes it a subject of interest for specialized optoelectronic research and material characterization studies.
With a significant number of reported structures across various databases, this compound demonstrates a complex structural landscape. It is primarily utilized in the development of sensitive infrared detection equipment and specialized optical components where its unique electronic properties can be leveraged.
Key Properties
Cross-validated computational properties for thallium(I) sulfide, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Synthesis Routes
Literature-extracted synthesis procedures targeting Tl2S.
Applications
Where thallium(I) sulfide is used.
Frequently Asked Questions
Common questions about thallium(I) sulfide, answered from cross-validated data.
What is Tl2S?
Thallium(I) sulfide is a stable semiconducting compound frequently investigated for its utility in infrared sensing and optical applications.
What is Tl2S used for?
What is the band gap of Tl2S?
Is Tl2S a metal, semiconductor, or insulator?
Is Tl2S thermodynamically stable?
How many polymorphs of Tl2S are known?
How is Tl2S synthesized?
What elements does Tl2S contain?
Where does the data for Tl2S come from?
How It Compares
As a standalone binary chalcogenide, thallium(I) sulfide serves as a fundamental reference point for understanding the behavior of heavy-metal sulfides. It occupies a unique position in materials science due to its stability and semiconducting nature, which distinguish it from more common, less stable thallium-based compounds.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze Tl2S in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →