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Researchers have created a color atlas for 466 unique varieties of single-walled carbon nanotubes. The researchers detail the nanotube color atlas in a study about a new method to predict the specific colors of thin films made by combining any of the 466 varieties. “Carbon, which we see as black, can appear transparent or take on any color of the rainbow,” says Esko Kauppinen, a physicist at Aalto University in Finland and corresponding author of the study in “The sheet appears black if light is completely absorbed by carbon nanotubes in the sheet. If less than about half of the light is absorbed in the nanotubes, the sheet looks transparent. When the atomic structure of the nanotubes causes only certain colors of light, or wavelengths, to be absorbed, the wavelengths that are not absorbed are reflected as visible colors.” ....
Our NanoNews Digest Sponsors Home > Press > Nanomaterials researchers in Finland, the United States and China have created a color atlas for 466 unique varieties of single-walled carbon nanotubes. A color map illustrates the inherent colors of 466 types of carbon nanotubes with unique (n,m) designations based on their chiral angle and diameter. (Image courtesy of Kauppinen Group/Aalto University) Abstract: Nanomaterials researchers in Finland, the United States and China have created a color atlas for 466 unique varieties of single-walled carbon nanotubes. Nanomaterials researchers in Finland, the United States and China have created a color atlas for 466 unique varieties of single-walled carbon nanotubes. ....
Credit: Photo courtesy of Aalto University HOUSTON - (Dec. 14, 2020) - Nanomaterials researchers in Finland, the United States and China have created a color atlas for 466 unique varieties of single-walled carbon nanotubes. The nanotube color atlas is detailed in a study in Advanced Materials about a new method to predict the specific colors of thin films made by combining any of the 466 varieties. The research was conducted by researchers from Aalto University in Finland, Rice University and Peking University in China. Carbon, which we see as black, can appear transparent or take on any color of the rainbow, said Aalto physicist Esko Kauppinen, the corresponding author of the study. The sheet appears black if light is completely absorbed by carbon nanotubes in the sheet. If less than about half of the light is absorbed in the nanotubes, the sheet looks transparent. When the atomic structure of the nanotubes causes only certain colors of light, or wavelengths, ....
E-Mail IMAGE: A color map illustrates the inherent colors of 466 types of carbon nanotubes with unique (n,m) designations based their chiral angle and diameter. view more Credit: Image courtesy of Kauppinen Group/Aalto University Nanomaterials researchers in Finland, the United States and China have created a colour atlas for 466 unique varieties of single-walled carbon nanotubes. The nanotube colour atlas is detailed in a study in Advanced Materials about a new method to predict the specific colors of thin films made by combining any of the 466 varieties. The research was conducted by researchers from Aalto University in Finland, Rice University and Peking University in China. ....