지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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This study investigates the fabrication of core-sheath nanocomposite fibers by locating germanium (Ge) and silicon dioxide ($SiO_2$) nanoparticles selectively in the sheath layer by co-axial electrospinning. Co-axially spun fibers were prepared by electrospinning a pure PVA solution and Ge/$SiO_2$/PVA solution as the core and sheath layer, respectively. Core-sheath nanocomposite fibers were electrospun under a variety of conditions that include various feed rates for the core and sheath solutions, voltages, and concentric needle diameters, in order to find an optimum spinning condition. Ge/$SiO_2$ nanocomposite fibers were also prepared by uniaxial electrospinning to compare fiber morphology and nanoparticle distribution with core-sheath nanofibers. Using scanning electron microscopy, transmission electron microscopy, and energy dispersive X-ray analysis, it was demonstrated that the co-axial approach resulted in the presence of nanoparticles near the surface region of the fibers compared to the overall distribution obtained for uni-axial fibers. The co-axially electrospun Ge/$SiO_2$/PVA nanofiber webs have possible uses in high efficiency functional textiles in which the nanoparticles located in the sheath region provide enhanced functionality.
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참고문헌 (27)
참고문헌 신청
Ahn, J. H. / 2012 / A study on reasonable improvement of exposure limit for silicon oxide compound
Bedford, N. M. / 2010 / Photocatalytic self cleaning textile fibers by coaxial electrospinning / Applied Materials & Interfaces 2(8):2448~2455
Chung, J. / 2011 / Fabrication of electrospun Ge/SiO2 nanocomposite fibers and evaluation of the far-infrared radiation properties
Dyer, J. / 2011 / Infrared functional textiles, In Functional textiles for improved performance, protection and health / Woodhead Publishing Limited :184~197
Garg, K. / 2011 / Electrospinning jets and nanofibrous structures / Biomicrofluidics 5(1):1~19
Bedford, N. M. / 2010 / Photocatalytic self cleaning textile fibers by coaxial electrospinning / Applied Materials & Interfaces 2(8):2448~2455
Chung, J. / 2011 / Fabrication of electrospun Ge/SiO2 nanocomposite fibers and evaluation of the far-infrared radiation properties
Dyer, J. / 2011 / Infrared functional textiles, In Functional textiles for improved performance, protection and health / Woodhead Publishing Limited :184~197
Garg, K. / 2011 / Electrospinning jets and nanofibrous structures / Biomicrofluidics 5(1):1~19
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