Silk nanofibers as high efficient and lightweight air filter

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• 作者：Chunya Wang ; Shuyi Wu ; Muqiang Jian ; Jiarong Xie ; Luping Xu ; Xudong Yang…
• 关键词：silk nanofibers ; air filtration ; PM2.5 ; submicron particles ; lightweight
• 刊名：Nano Research
• 出版年：2016
• 出版时间：September 2016
• 年：2016
• 卷：9
• 期：9
• 页码：2590-2597
• 全文大小：2,379 KB
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chinese Library of Science
  Chemistry
  Nanotechnology
  
• 出版者：Tsinghua University Press, co-published with Springer-Verlag GmbH
• ISSN：1998-0000
• 卷排序：9

文摘

Silk is a widely available, edible, biocompatible, and environmentally sustainable natural material. Particulate matter (PM) pollution has drawn considerable attention because it is a serious threat to public health. Herein, we report a human-friendly silk nanofiber air filter, which exhibits superior filtration efficiency for both PM_2.5 and submicron particles with obviously low pressure drop and low basis weight compared to typical commercial microfiber air filters. Additionally, other functions such as antibacterial activity could be easily integrated into the silk nanofiber air filters, enabling the fabrication of multifunctional air filters. All the above characteristics, combined with the natural abundance and biocompatibility of silk, suggest a great potential for the use of silk nanofibers as air filters, especially as comfortable and personal air purifiers.