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5 This flexibility allows for controlling the shape and arrangement of the fibers so that different structures ( i.e. hollow, flat and ribbon shaped) can be fabricated depending on intended application purposes. Nanofibers can also be collected in a highly aligned fashion by using specialized collectors such as the rotating drum, 33 metal frame, 34 or a two-parallel plates system. 35 Parameters such as jet stream movement and polymer concentration have to be controlled to produce nanofibers. The discharged polymer solution jet is unstable and elongates as a result, allowing the jet to become very long and thin. Charged polymer fibers solidifies with solvent evaporation. 5 32 Randomly-oriented nanofibers are collected on the collector.

1 2 5 There exist many different methods to make nanofibers, including drawing, electrospinning, self-assembly, template synthesis, and thermal-induced phase separation. Electrospinning is the most commonly used method to generate nanofibers because of the straightforward setup, the ability to mass-produce continuous nanofibers from various polymers.

Literature review nano catalysts water purification
Contents 1 History of nanofiber production 2 Synthesis methods 2.1 Electrospinning 2.2 Thermal-induced phase separation 2.3 Drawing 2.4 Template synthesis 2.5 Self-assembly 3 Polymer materials 4 Applications 4.1 Tissue engineering 4.2 Drug delivery 4.3 Cancer diagnosis 4.4 Lithium-air battery 4.5 Optical sensors 4.6 Air filtration.
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