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Issue 5, 2019
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Ultralight, superelastic and bendable lashing-structured nanofibrous aerogels for effective sound absorption

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Abstract

Low-density nanofibrous aerogels enable various applications but are often hindered by their fragile bendability and poor tensile strength. Herein, we report a strategy to design nanofibrous aerogels with robust bendability and superelastic property, which has been achieved by fabricating bamboo lashing-like structures through a freeze-drying method. The obtained reinforced nanofibrous aerogels (RNFAs) can maintain their structural integrity after 100 bending-recovery cycles at a bending angle of about 100°. Particularly, the RNFAs can completely revive from large deformation with a fast recovery speed (∼834 mm s−1). Significantly, the internal hierarchical porous structures and hydrophobicity of the materials provide them with ultralight properties (density <11 mg cm−3), efficient sound absorption capability (noise reduction coefficient of 0.41) and good moisture resistance; thus, they are promising options in cabins, vehicles, and the regulation of indoor reverberation.

Graphical abstract: Ultralight, superelastic and bendable lashing-structured nanofibrous aerogels for effective sound absorption

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Publication details

The article was received on 17 Nov 2018, accepted on 04 Jan 2019 and first published on 04 Jan 2019


Article type: Paper
DOI: 10.1039/C8NR09288E
Citation: Nanoscale, 2019,11, 2289-2298

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    Ultralight, superelastic and bendable lashing-structured nanofibrous aerogels for effective sound absorption

    L. Cao, Y. Si, Y. Wu, X. Wang, J. Yu and B. Ding, Nanoscale, 2019, 11, 2289
    DOI: 10.1039/C8NR09288E

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