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Production of Colored Pigments with Amorphous Arrays of Black and White Colloidal Particles

Authors

  • Prof. Yukikazu Takeoka,

    Corresponding author
    1. Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)
    • Yukikazu Takeoka, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)

      Shinya Yoshioka, Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka 565-0871 (Japan)

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  • Prof. Shinya Yoshioka,

    Corresponding author
    1. Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka 565-0871 (Japan)
    • Yukikazu Takeoka, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)

      Shinya Yoshioka, Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka 565-0871 (Japan)

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  • Prof. Atsushi Takano,

    1. Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)
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  • Dr. Shigeo Arai,

    1. Ecotopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)
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  • Khanin Nueangnoraj,

    1. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577 (Japan)
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  • Prof. Hirotomo Nishihara,

    1. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577 (Japan)
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  • Midori Teshima,

    1. Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)
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  • Yumiko Ohtsuka,

    1. Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)
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  • Prof. Takahiro Seki

    1. Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603 (Japan)
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  • Y.T. acknowledges the support of a Grant-in-Aid for Scientific Research (No. 23245047 and 22107012) on Innovative Areas: “Fusion Materials” (Area No. 2206) from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT), and Nippon Sheet Glass Foundation for Materials Science and Engineering. S.Y. acknowledges the support of a Grant-in-Aid for Scientific Research (No. 22340121 and 24120004) on Innovative Areas: “Engineering Neo-Biomimetics” (Area no. 4402) from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT).

Abstract

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Farbecht: Pigmente mit verschiedenen winkelunabhängigen Farben wurden mit einer außergewöhnlich einfachen Sprühmethode hergestellt (siehe Bild). Die Methode basiert auf der Nutzung von Submikrometer-großen SiO2-Partikeln und Industrieruß. Ein Polyelektrolyt, das an den Partikeln haftet, kann die Struktur der kolloidalen amorphen Anordnung stabilisieren und damit hochbelastbare, farbechte Pigmente erzeugen.

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