| Catalogue Code | IN-AlEuSr-01 IN-AlEuSr-02 |
| CAS No. | 282118-14-3 |
| Chemical Formula | SrAl2O4 with 3 wt% Eu |
| Compound Name | Strontium Aluminate doped with Europium |
| Purity (%) | >99.9 |
| Dimensions | Dia. 1”, Thick. 0.125” Dia. 2”, Thick. 0.25” |
Introduction
Strontium aluminate doped with europium (SrAl₂O₄:Eu³⁺) is an efficient sputtering target for thin-film deposition in physical vapor deposition (PVD) processes. With 3 wt% europium doping, this material enables the creation of luminescent thin films, making it ideal for photonic devices, displays, and coatings applications.
Properties
The table below highlights the key properties of Strontium Aluminate Doped with three wt% Europium (SrAl₂O₄: 3 wt% Eu):
| Property | Description |
| Molar mass | ~185.27 g/mol |
| Density | ~3.8–4.2 g/cm³ |
| Melting Point | ~1600–1650°C |
| Shape and Appearance | Solid, Thin film, Disc, or rectangular |
| Thermal Conductivity | ~2.5–3.0 W/(m·K) |
| Magnetic Properties | Diamagnetic |
Applications
- Phosphorescent Coatings: SrAl₂O₄:Eu is primarily used to produce glow-in-the-dark paints and coatings for safety signs, emergency exit signs, and decorative materials.
- Luminescent Displays: The material is used to create luminescent screens and displays, especially for specialty applications in signs, watches, and novelty items that require persistent glow.
- Optical Devices: Due to its high thermal stability and strong afterglow properties, SrAl₂O₄:Eu is utilized in optical devices and sensors, including light sensors for monitoring and detecting low light levels.
- Energy Storage and Conversion: Research into using SrAl₂O₄:Eu in energy storage devices, such as solar cells, is ongoing, as the material’s phosphorescent properties can be harnessed in photoactive layers.
FAQs
Answere: A doping level of 3 wt% Europium balances brightness, afterglow duration, and material stability, making it ideal for a wide range of photoluminescent applications.
Answere: It is utilized to create thin films with excellent luminescent properties, enabling applications in displays, safety signage, and photonic devices.
Answere: This material exhibits a bright green or yellow-green glow with a long afterglow duration, making it suitable for prolonged visibility in dark environments.
Answere: It is non-toxic, non-radioactive, and environmentally friendly, making it safe for industrial and consumer applications.
Answere: The luminescent properties can be fine-tuned during thin-film deposition processes by controlling parameters such as thickness and substrate material.
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