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<p>Aerogels, known for their exceptionally high surface area (&gt; 800 m<sup>2</sup>/g), low density (~ 0.003&#xa0;g/cm<sup>3</sup>), and high porosity (&gt; 90%), have emerged as versatile materials for diverse technological applications. Silica aerogels have been widely altered through surface modification for use in thermal and acoustic insulation, catalysis, and more. Polymeric aerogels, in particular, offer unique advantages due to their ease of functionalization and potential conversion to carbon, making them suitable for electrode materials in energy-related applications. This review summarizes recent global research on the development of antibacterial aerogels such as silica, polymeric, and carbon-based, which are used either as standalone agents or as supports for antibacterial compounds. Compared to conventional antibacterial materials such as hydrogels or surface coatings, aerogel-based systems provide improved antibacterial performance through high loading capacity, sustained release, and customizable surface chemistry. Furthermore, the emergence of polymer-based aerogels with inherent antibacterial properties requiring no additional agents (inorganic or organic) represents a promising direction for lightweight, efficient, and multifunctional antibacterial platforms.</p>

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Review of antibacterial aerogels: present and future aspects

  • 期刊论文

  • 发表日期：

    2025年8月10日

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  • Naveen Chandrasekaran,
  • Devishree Saju,
  • Seethalakshmi Selvaraj,
  • Vidyashri Kesavan

摘要

Aerogels, known for their exceptionally high surface area (> 800 m2/g), low density (~ 0.003 g/cm3), and high porosity (> 90%), have emerged as versatile materials for diverse technological applications. Silica aerogels have been widely altered through surface modification for use in thermal and acoustic insulation, catalysis, and more. Polymeric aerogels, in particular, offer unique advantages due to their ease of functionalization and potential conversion to carbon, making them suitable for electrode materials in energy-related applications. This review summarizes recent global research on the development of antibacterial aerogels such as silica, polymeric, and carbon-based, which are used either as standalone agents or as supports for antibacterial compounds. Compared to conventional antibacterial materials such as hydrogels or surface coatings, aerogel-based systems provide improved antibacterial performance through high loading capacity, sustained release, and customizable surface chemistry. Furthermore, the emergence of polymer-based aerogels with inherent antibacterial properties requiring no additional agents (inorganic or organic) represents a promising direction for lightweight, efficient, and multifunctional antibacterial platforms.