Tl2O

thallium(I) oxide · thallous oxide

Thallium(I) oxide is a stable, semiconducting material composed of thallium and oxygen that is frequently studied for its complex structural properties.

OTl
Crystal structure of Tl2O
Ground-state structure · Materials Project
Overview

About thallium(I) oxide

Thallium(I) oxide is a semiconducting binary compound that occupies a thermodynamically stable position on the convex hull. Its structural versatility is highlighted by a significant number of reported configurations across various databases, marking it as a well-documented material in inorganic chemistry. The compound serves as a critical subject for understanding thallium-based electronic systems and their potential for specialized technological integration. Given its stability and electronic nature, it remains a focal point for researchers investigating the fundamental behavior of heavy metal oxides.

At a glance

Key Properties

Cross-validated computational properties for thallium(I) oxide, aggregated across 4 databases.

Band Gap

0.52–0.57 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

39
4 databases, 11 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Tl2O.

Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where thallium(I) oxide is used.

semiconductor researchmaterials science studieschemical synthesis precursor
Reference

Frequently Asked Questions

Common questions about thallium(I) oxide, answered from cross-validated data.

What is Tl2O?

Thallium(I) oxide is a stable, semiconducting material composed of thallium and oxygen that is frequently studied for its complex structural properties.

More questions
What is Tl2O used for?
thallium(I) oxide (Tl2O) is used in semiconductor research, materials science studies, and chemical synthesis precursor.
What is the band gap of Tl2O?
thallium(I) oxide (Tl2O) has a DFT-computed band gap of 0.52–0.57 eV across 39 reported structures.
Is Tl2O a metal, semiconductor, or insulator?
With a band gap up to 0.57 eV it is a semiconductor.
Is Tl2O thermodynamically stable?
Yes — thallium(I) oxide (Tl2O) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Tl2O are known?
39 structures of Tl2O are reported across 4 databases, spanning 11 distinct space groups.
How is Tl2O synthesized?
Literature-reported routes for Tl2O include sol gel, solid state (9 procedures documented).
What elements does Tl2O contain?
thallium(I) oxide (Tl2O) contains O and Tl (2 elements).
Where does the data for Tl2O come from?
Tl2O data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable binary oxide, Tl2O represents a foundational reference point for thallium-based compounds, providing a baseline for structural and electronic studies within this category of heavy metal materials.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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