Nano Cesium Tungsten Bronze (CsxWO3) exhibits excellent thermal insulation performance, with outstanding near-infrared shielding capability and high visible light transmittance, making it highly suitable for applications in thermal insulation materials. Here is a detailed analysis of its thermal insulation performance:
Thermal Insulation Characteristics
- Near-Infrared Absorption Characteristics: Nano Cesium Tungsten Bronze demonstrates a strong absorption capacity for infrared light with wavelengths greater than 1100 nm. This characteristic significantly enhances its thermal insulation performance compared to traditional materials. It has a blue-shifting near-infrared absorption peak, providing strong support for indoor cooling, energy conservation, and reducing energy consumption.
- Adding a small amount of Nano Cesium Tungsten Bronze particles (e.g., 2g per square meter) to the coating can reduce the transmittance at 950 nm to below 10%, indicating a significant absorption effect on near-infrared light.
- Visible Light Transmittance: At the same time, Nano Cesium Tungsten Bronze maintains a high visible light transmittance, typically achieving over 70% transmittance at 550 nm. This is a fundamental benchmark for most high-transparency films. This means that while it effectively blocks infrared radiation, it does not significantly impact indoor lighting, ensuring natural daylighting.
- Adjustability: The thermal insulation performance of Nano Cesium Tungsten Bronze is not fixed but can be finely tuned by adjusting its cesium content. As the cesium content increases, the concentration of free charge carriers in the material also rises, enhancing its absorption effect in the near-infrared region. This feature opens new possibilities for the customized production of thermal insulation coatings, catering to the specific needs of different application scenarios.
Application Scenarios
- Construction Industry: Nano Cesium Tungsten Bronze aqueous dispersion can be used to prepare transparent thermal insulation coatings and films, which are widely applied to glass facades of buildings. These coatings not only maintain the transparency of the glass but also effectively block infrared radiation, lowering indoor temperatures and improving the energy efficiency of buildings.
- During hot summer months, these coatings can significantly reduce the need for air conditioning, saving energy and reducing carbon emissions.
- Automotive Industry: In the automotive industry, Nano Cesium Tungsten Bronze aqueous dispersion is used to prepare automotive films and PVB thermal insulation laminated films. These products can significantly reduce the temperature inside the vehicle, ensuring a comfortable driving environment even in hot summers.
- Other Fields: Nano Cesium Tungsten Bronze can also be applied in textiles, medical, laser, and optoelectronics industries. Its unique physical and chemical properties provide new solutions for these fields.
Preparation and Stability
Nano Cesium Tungsten Bronze is typically prepared using high-temperature solid-state reactions to form nanoparticles with a high carrier concentration. These nanoparticles exhibit good stability and dispersibility in the dispersion liquid, maintaining a uniform dispersion state for long periods, ensuring the durability and reliability of the thermal insulation performance.
Conclusion
In summary, Nano Cesium Tungsten Bronze offers significant advantages in thermal insulation performance. By fine-tuning its cesium content and preparation process, materials can be developed to meet various insulation needs. These materials have broad application prospects in industries such as construction and automotive, playing a crucial role in improving energy efficiency and reducing carbon emissions.
More details of tungsten oxide product, please visit website: tungsten-oxide.com
Please contact CHINATUNGSTEN for inquiry and order of tungsten oxide:
Email: sales@chinatungsten.com
Tel.: 86 592 5129595
