The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Superelastic and Superhydrophobic Nanofiber-Assembled Cellular Aerogels for Effective Separation of Oil/Water Emulsions
Abstract
Many applications proposed for functional nanofibers require their assembly into a monolithic cellular structure. The ability to maintain structural integrity upon large deformation is essential to ensure a macroscopic cellular material that functions reliably. However, it remains a great challenge to achieve high elasticity in three-dimensional (3D) nanofibrous networks. Here, we report a strategy to create fibrous, isotropically bonded elastic reconstructed (FIBER) aerogels with a hierarchical cellular structure and superelasticity by combining electrospun nanofibers and the freeze-shaping technique. Our approach allows the intrinsically lamellar deposited electrospun nanofibers to assemble into elastic bulk aerogels with tunable porous structure and wettability on a large scale. The resulting FIBER aerogels exhibit the integrated properties of ultralow density (<30 mg cm(-3)), rapid recovery from 80% compression strain, superhydrophobic-superoleophilic wettability, and high pore tortuosity. More interestingly, the FIBER aerogels can effectively separate surfactant-stabilized water-in-oil emulsions, solely using gravity, with high flux (maximum of 8140 ± 220 L m(-2) h(-1)) and high separation efficiency, which match well with the requirements for treating the real emulsions. The synthesis of FIBER aerogels also provides a versatile platform for exploring the applications of nanofibers in a self-supporting, structurally adaptive, and 3D macroscopic form.
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Metadata
- Authors
- Si, Y., Fu, Q., Wang, X., Zhu, J., Yu, J., Sun, G., & Ding, B.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-04-14
- Volume
- 9
- Issue
- 4
- Pages
- 3791-3799
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2328998577
- Cited by
- 677
- References
- 33
- FWCI
- 31.98
- Type
- journal article
- Language
- en
- Open access
- closed
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