High-efficiency light-selective absorption film for solar thermal power generation.
Acktar Nano Black
High-efficiency light-selective absorption film
Founded in 1994, the headquarters is located in Kiryat Gat, Israel, and it has subsidiaries in Japan and Germany. Using its unique vacuum deposition technology, the company has successfully controlled surface structures at the nanoscale and achieved reproducibility, developing a light-absorbing film that absorbs over 99% of light in the ultraviolet, visible, and infrared wavelength ranges. This light-absorbing film is environmentally friendly and is used by companies around the world in optical devices, IR sensors, aerospace systems, and solar thermal absorption, among other applications.
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basic information
High-Efficiency Light Selective Absorption Film Features - Controls and reproduces surface structures at the nano level, efficiently absorbing sunlight - Can be applied to various components regardless of material or shape - Environmentally friendly clean film formation technology and materials - Excellent weather resistance, including salt spray - High reliability that withstands space environments: guarantees use at 300°C (certified as a selected vendor by the European Space Agency (ESA) and EADS Astrium) Optical Data - Absorption rate α: 97-99±1% - Emissivity ε: 11±2% - Film thickness: 0.3-1 [μm] Product Forms - Metal coils such as aluminum and copper with coating - Coated A4 sheets (can be adhered on the back) - Film formation on specific shaped parts provided by customers (for solar collectors, etc.) Samples will be provided for testing. Please evaluate them. Usage Examples - Selective absorption material for raising the temperature of heat transfer fluids in vacuum tubes - Application in absorption chillers/air conditioning systems using high-temperature refrigerants
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Applications/Examples of results
- Selective absorption film for raising the temperature of thermal media in vacuum tubes - Solar selective absorption coating suitable for trough-type power generation using cylindrical concentrators - Direct thermal utilization is the most efficient (over 50%), and in addition to water heaters, it enables expansion into various industrial thermal applications by raising the thermal media temperature to higher levels - Expansion into absorption chillers/air conditioning systems using high-temperature refrigerants
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Company information
About Acktar: Acktar was founded in 1994 as a company in the field of nanotechnology. It is headquartered in Kiryat Gat, Israel, and has subsidiaries in Germany and Japan (Acktar Japan). Acktar manufactures high-performance optical absorption films based on its unique vacuum deposition method. Acktar's optical absorption films can be deposited on virtually any substrate material and absorb 99% of light in the ultraviolet, visible, and infrared spectrum (with wavelength dependence). Additionally, Acktar's optical absorption films are environmentally friendly and are used by various companies around the world.