Thermal fiber drawing process has emerged as a promising nanomanufacturing process to generate high-throughput, well aligned, and indefinitely long micro/nanostructures. However, scalable fabrication of metal–polymer nanocomposite is still a challenge, since it is still very difficult to control metal core geometry at nanoscale due to the low-viscosity and high-surface energy of molten metals in cladding materials (e.g., polymer or glass). Here, we show that a scalable nanomanufacture of metal–polymer nanocomposite via thermal fiber drawing is possible. Polyethersulfone (PES) fibers embedded with Sn nanoparticles (<200 nm) were produced by the iterative size reduction thermal fiber drawing. A post-characterization procedure was developed to successfully reveal the metal core geometry at submicron scale. A three-stage control mechanism is proposed to realize the possible control of the metal nanoparticle morphology. This thermal drawing approach promises a scalable production of metal–polymer nanocomposite fibers with unique physicochemical properties for exciting new functionalities.
Fabrication of Metal–Polymer Nanocomposites by In-Fiber Instability
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MICRO- AND NANO-MANUFACTURING. Manuscript received May 2, 2016; final manuscript received August 29, 2016; published online October 19, 2016. Assoc. Editor: Nicholas Fang.
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Lin, T., Zhao, J., Cao, C., Javadi, A., Yang, Y., Hwang, I., and Li, X. (October 19, 2016). "Fabrication of Metal–Polymer Nanocomposites by In-Fiber Instability." ASME. J. Micro Nano-Manuf. December 2016; 4(4): 041008. https://doi.org/10.1115/1.4034612
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