Journal
NANOSCALE
Volume 4, Issue 1, Pages 176-182Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1nr10895f
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Funding
- National Natural Science Foundation of China [50803009]
- 111 Project [111-2-04, B07024]
- Shanghai Committee of Science and Technology [10JC1400600]
- National Basic Research Program of China (973 Program) [2011CB606103]
- Shanghai Municipal Education Commission [11ZZ59]
- Shanghai Education Commission [10SG32]
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In this study, we conducted a subtle regulation of micro- and nanostructures of electrospun polystyrene (PS) fibers via tuning the molecular weights of the polymers with different sources, solvent compositions, and solution concentration. The surface morphology and porous structures of as-prepared PS fibers were characterized, and a full and intuitive observation of the porous structures as well as a tentative account of the formation of porous structures was presented. Additionally, the porous PS fibrous mats showed much higher oil absorption capacities than those of commercial polypropylene fibers in the form of a non-woven fabric, which displays a bight future for oil spill cleanups. We believe that such regulation of micro- and nanostructures of the PS fibers will widen the range of their applications in self-cleaning materials, ultra-high sensitivity sensors, tissue engineering, ion exchange materials, etc.
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