We will introduce a case study that researched how the mechanisms differ depending on particle size!
When a colloidal dispersion is dried, it often forms a ring-shaped pattern (commonly known as a "coffee ring"). What we are introducing this time is a case study that investigates how the mechanism differs based on particle size. In the droplet, particles are convecting, and larger particles have stronger van der Waals forces, making them more likely to aggregate. This moderate aggregation force prevents the particles from concentrating at the edges when the droplet shrinks, making it less likely for a coffee ring to form. *For more details about the case study, please refer to the related links. Feel free to contact us for further information.*
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*The details of the case can be viewed through the related links. For more information, please feel free to contact us.*
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The details of the case can be viewed through the related link. For more information, please feel free to contact us.
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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."