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Bioinspired Honeycomb-Structured Nanofibrous Membranes with High Transparency and Excellent Breathability for
Yuan Tian1, Xinmiao Wang1, Jinhui Wu1
1Systems Engineering Institute, Academy of Military Sciences, People's Liberation Army, Tianjin 300161, China.
Nanomaterials (Basel, Switzerland)
|August 12, 2026
Summary
Researchers developed bioinspired honeycomb nanofibrous membranes (NFMs) for air purification. These advanced filters efficiently capture fine particulate matter (PM0.3) while maintaining high transparency and air permeability.
Area of Science:
- Materials Science
- Environmental Science
- Nanotechnology
Background:
- Particulate matter (PM) pollution, especially PM0.3, poses significant public health risks.
- Existing air filtration materials struggle with environmental adaptability, transparency, and balancing efficiency with pressure drop.
- Bioinspiration from natural structures like honeycombs and dragonfly wings offers potential solutions for advanced material design.
Purpose of the Study:
- To fabricate bioinspired honeycomb-structured nanofibrous membranes (NFMs) for efficient air purification.
- To achieve an optimal balance between filtration efficiency, pressure drop, transparency, and air permeability.
- To explore novel strategies for developing multifunctional air filtration materials.
Main Methods:
- Fabrication of NFMs using template-assisted electrospinning with optimized receiver mesh size.
- Modulation of electric fields to control nanofiber orientation (ordered stacking and random orientation).
- Characterization of NFMs for filtration efficiency, pressure drop, transparency, and air permeability.
Main Results:
- Achieved over 98.51% filtration efficiency for PM0.3.
- Maintained a low pressure drop of only 34 Pa.
- Demonstrated high transparency (85%) and air permeability (130.8 mm/s).
Conclusions:
- The bioinspired honeycomb-structured NFMs offer a superior balance of filtration performance and physical properties.
- This approach provides novel insights for developing next-generation multifunctional air filtration materials.
- Demonstrated broad application prospects in air purification technologies.
