Indium Compounds
Indium Tin Oxide (ITO)
Indium tin oxide (ITO) is a composite material consisting of indium(III) oxide (In₂O₃) and tin (IV) oxide (SnO₂), typically in a 90:10 weight ratio. Known for its exceptional transparency and low sheet resistance, ITO is a preferred choice for flat panel displays and touch sensors. Indium Corporation offers premium, high-purity ITO products in bulk, suitable for fabricating sputter targets or creating ink formulations. Our ITO is provided in powder form, which can be compressed and sintered into sputter targets or used to produce ink-like coatings.
Powered by Indium Corporation
- Flexibility Over the Indium Oxide
- Tight Control
- Low Impurities, With a Powder Purity Level of >4N5
Product Overview
Indium Oxide to Tin Oxide Ratio
While the 90/10 ratio of indium oxide to tin oxide is commonly preferred, we also offer alternative ratios to meet diverse needs. Our formulations range from 87% to 95% indium oxide by weight, enabling precise customization of sheet resistance and transparency in deposited films to suit specific customer requirements.
Particle Size Distribution
Our powder particles are precisely controlled to ensure a consistent size distribution, which plays a crucial role in the performance of our ITO products. The particle size and BET (surface area per unit mass) are closely related, and we carefully manage the BET value throughout our processes. We also provide this information with every shipment to support optimal performance in your applications.
Impurity Control
Metallic impurities can greatly affect the electronic and optical performance of ITO films. We enforce stringent controls to minimize these impurities and provide detailed documentation of their levels in the Certificate of Analysis (COA) for each shipment.
Features
Mobile phones
ITO-coated conducting glass is found in nearly every touchscreen display, including smartphones.
Balanced ratio
Indium oxide enhances transparency while tin oxide boosts conductivity. By adjusting the ratio, a harmonious balance is attained.
80%
The United States Geological Survey reports that 80% of the world’s indium consumption is allocated to ITO usage.
4 eV
ITO is classified as an n-type semiconductor with a considerable bandgap of approximately 4 eV. However, its limited carrier mobility prevents it from being widely adopted as a mainstream semiconductor.
ITO Products
| Product Type | d90 | d50 | d10 | BET m2/g (typical) |
|---|---|---|---|---|
| Type A – Standard | 32.0-44.0 | 13.2-24.0 | 2.7-8.0 | 2.4 |
| Type D – Very fine | 4.3-11.5 | 1.1-3.0 | 0.4-0.8 | 18.5 |
Product Data Sheets
Indium-Tin Oxide (ITO) PDS 97550 (A4) R12.pdf
Indium-Tin Oxide (ITO) PDS 97550 R12.pdf
Related Applications
ITO is suitable for a wide range of applications.
Chemical Synthesis
Indium and gallium compounds for chemical synthesis and materials
Related Markets
Indium Corporation’s ITO is available for use in the following markets:
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