受鸟类羽毛启发 科学家制备出最黑纺织面料

Core Insights - Researchers at Cornell University have developed the darkest textile fabric known to date, inspired by bird feathers, with applications in various fields such as camera lenses, solar panels, and astronomical telescopes [1] Group 1: Material Properties - The "super-black" material has a light reflectance of less than 0.5%, making it highly valuable for specific applications [1] - The fabric is made from natural fibers like wool, silk, and cotton, and features a stable black color that does not change with the angle of observation [1] Group 2: Production Method - The team utilized polydopamine to dye white merino wool knit fabric and employed plasma etching to create nano-structures on the fiber surface [1] - These nano-structures mimic the light-capturing mechanism of the bird's feathers, allowing for exceptional light absorption [1] Group 3: Biological Inspiration - The deep black color of the bird's feathers is attributed to a high concentration of melanin and tightly arranged barb structures that reflect light internally [1] - Similar ultra-black structures are also found in certain fish and butterflies, indicating a broader biological phenomenon [1]