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<p>Photonic crystals (PCs) with brilliant structural color constructed by polymer microspheres have received great interest in recent years. However, the development of PCs with multi-functions is still a challenge. By integrating the advantages of the fluorinated groups with low surface energy and the positively charged quaternary ammonium salt groups with antibacterial properties, poly(2,2,3,4,4,4-hexafluorobutyl acrylate/styrene/[3-(methylacrylamido)propyl] trimethylammonium chloride) (PASM) was successfully synthesized to construct the PCs coating with structural color and multi-functions on the fabrics. By adjusting the molar ratios of reactive monomers, PASM microspheres with different particle diameters were obtained, and subsequently were assembled into long-range order PCs coating with various structural colors on the fabrics. The structural color coating had excellent hydrophobicity with the static water contact angle greater than 140°, thereby endowing the fabrics with anti-fouling property. More importantly, the structural color coating showed excellent antibacterial performance including gram-negative bacteria and gram-positive bacteria with both antibacterial rates greater than 94%. Therefore, the PCs coating with structural color fabricated by PASM microspheres simultaneously exhibit anti-fouling and antibacterial functions, which are promising for designing multi-functional materials with brilliant colors in medical textile applications.</p>

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Structural Color Coating with Anti-fouling and Antibacterial Functions Based on Photonic Crystals Constructed by Fluorinated Polymer Microspheres with Quaternary Ammonium Salt Groups

  • 期刊论文

  • 发表日期：

    2025年4月4日

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  • Weihan Tao,
  • Jingjie Ge,
  • Yinchun Fang

摘要

Photonic crystals (PCs) with brilliant structural color constructed by polymer microspheres have received great interest in recent years. However, the development of PCs with multi-functions is still a challenge. By integrating the advantages of the fluorinated groups with low surface energy and the positively charged quaternary ammonium salt groups with antibacterial properties, poly(2,2,3,4,4,4-hexafluorobutyl acrylate/styrene/[3-(methylacrylamido)propyl] trimethylammonium chloride) (PASM) was successfully synthesized to construct the PCs coating with structural color and multi-functions on the fabrics. By adjusting the molar ratios of reactive monomers, PASM microspheres with different particle diameters were obtained, and subsequently were assembled into long-range order PCs coating with various structural colors on the fabrics. The structural color coating had excellent hydrophobicity with the static water contact angle greater than 140°, thereby endowing the fabrics with anti-fouling property. More importantly, the structural color coating showed excellent antibacterial performance including gram-negative bacteria and gram-positive bacteria with both antibacterial rates greater than 94%. Therefore, the PCs coating with structural color fabricated by PASM microspheres simultaneously exhibit anti-fouling and antibacterial functions, which are promising for designing multi-functional materials with brilliant colors in medical textile applications.