TiO2

Titanium dioxide · Titania, Titanium(IV) oxide

Titanium dioxide is a versatile and stable inorganic compound used extensively as a white pigment, a photocatalyst, and a critical component in optical and electronic devices.

OTi
Crystal structure of TiO2
Ground-state structure · Materials Project
Overview

About Titanium dioxide

Titanium dioxide is a robust, thermodynamically stable inorganic compound that serves as a cornerstone material in modern industrial chemistry. Its wide-gap insulating nature and structural versatility allow it to function effectively in both high-performance optical applications and chemical processing environments.

With an extensive catalog of reported structures, this compound is one of the most thoroughly characterized materials in solid-state science. Its reliability and chemical inertness make it an essential component for technologies ranging from protective surface treatments to sophisticated environmental remediation systems.

At a glance

Key Properties

Cross-validated computational properties for Titanium dioxide, aggregated across 4 databases.

Band Gap

0.89–3.42 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

555
4 databases, 51 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting TiO2.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where Titanium dioxide is used.

White pigment for paints and coatingsPhotocatalytic water purificationSunscreen and cosmetic additivesOptical thin-film coatingsDielectric materials for capacitors
Intellectual Property

Patent Landscape

139 patents reference TiO2 or close compositional variants.

PatentTitleAssigneeGranted
7842131High opacity TiO2 pigment and production method
11712681Near infrared photocatalyst based on TiO2-coated gold nanoparticles
6517804TiO2 ultrafine powder, and process for preparing thereof
9108862Method of making rutile titanium dioxide microspheres containing elongated TiO2-nanocrystallites
9408791Oral care and oral hygiene products having photocatalytic activity comprising inorganic particles superficiall
4356272Sintered bodies Al.sub.2 O.sub.3 -TiC-TiO.sub.2 continuing yttrium (y)
9908100TiO2 material that is absorbent in the visible spectrum and method for producing same
4462979Process for preparing soft TiO.sub.2 agglomerates
5262142Composite oxide of formula R.sub.2 O.Al.sub.2 O.sub.3.TiO.sub.2.SiO.sub.2.H.sub.2 O, where R is an alkali meta
5110772Fabrication of dense SI.sub.3 N.sub.4 ceramics using CaO-TiO.sub.2 SiO.sub. 2
Reference

Frequently Asked Questions

Common questions about Titanium dioxide, answered from cross-validated data.

What is TiO2?

Titanium dioxide is a versatile and stable inorganic compound used extensively as a white pigment, a photocatalyst, and a critical component in optical and electronic devices.

More questions
What is TiO2 used for?
Titanium dioxide (TiO2) is used in white pigment for paints and coatings, photocatalytic water purification, sunscreen and cosmetic additives, optical thin-film coatings, and dielectric materials for capacitors.
What is the band gap of TiO2?
Titanium dioxide (TiO2) has a DFT-computed band gap of 0.89–3.42 eV across 555 reported structures.
Is TiO2 a metal, semiconductor, or insulator?
With a wide band gap up to 3.42 eV it is an insulator / wide-band-gap material.
Is TiO2 thermodynamically stable?
Yes — Titanium dioxide (TiO2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of TiO2 are known?
555 structures of TiO2 are reported across 4 databases, spanning 51 distinct space groups.
How is TiO2 synthesized?
Literature-reported routes for TiO2 include sol gel, solid state (10 procedures documented).
What elements does TiO2 contain?
Titanium dioxide (TiO2) contains O and Ti (2 elements).
Where does the data for TiO2 come from?
TiO2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a highly stable and structurally diverse material, titanium dioxide stands as a primary benchmark for performance in its class, serving as the standard against which many other oxide-based semiconductors and insulators are evaluated.

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

Analyze TiO2 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →