Here is an example of using secondary particles mixed with black particles to create a more distinct structural color.
This is an example of using secondary particles mixed with black particles (carbon black) to achieve a more distinct structural color while controlling the aggregation of silica colloid particles. It seems that without adding NaCl, a dull, whitish color was obtained. However, by adding a small amount of carbon black, the white light due to scattering decreased, making the structural color more clearly visible. Furthermore, when magnetic iron powder was added, the secondary particles moved and gathered in response to the magnetic field. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*
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The advent of nanoscale materials has made it possible for materials science to have direct connections with biology, optics, and other fields. Photonic crystals and structural colors found in birds and insects are good examples of this. Until now, we have worked with various materials such as semiconductors, carbon materials, metals, oxides, and polymers. Leveraging this experience, we hope to be able to assist you in solving your "problems."