What is it about?
Copper is a noble metal that due to its optical properties reflects a reddish color. However, if copper is split in very thin films separated by layers of lossless dielectric materials, such as silicon dioxide, many colors can be created, including blue.
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Why is it important?
Color filters based on metallic nanostructures introduce an alternative to obtain colors with improved saturation and brightness.
Perspectives
Writing this article was a great pleasure. We would like to be able to collaborate with researchers interested in this topic.
Edgar BRIONES
Western Institute of Technology and Higher Education, ITESO AC
Read the Original
This page is a summary of: Reflective color filters based on SiO2/Cu multilayer stacks, Journal of Applied Physics, August 2023, American Institute of Physics,
DOI: 10.1063/5.0162650.
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