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Fibers and polymers v.11 no.3, 2010년, pp.384 - 390   SCIE 피인용횟수: 1
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Gallium Arsenide (GaAs) Nanofibers by Electrospinning Technique as Future Energy Server Materials

Sheikh, Faheem A.    (Department of Bionano System Engineering, Chonbuk National University   ); Barakat, Nasser A.M.    (Chemical Engineering Department, Faculty of Engineering, El-Minia University   ); Kanjwal, Muzafar A.    (Department of Polymer Nano Science and Technology, Chonbuk National University   ); Park, S.J.    (Center for Healthcare Technology Development, Chonbuk National University   ); Kim, Hern    (Department of Environmental Engineering and Biotechnology, Energy & Environment Fusion Technology Center, Myongji University   ); Kim, Hak-Yong    (Department of Textile Engineering, Chonbuk National University  );
  • 초록

    Gallium arsenide (GaAs) does have superior electronic properties compared with silicon. For instant, it has a higher saturated electron velocity and higher electron mobility. Weak mechanical properties and high production cost are the main drawbacks of this interesting semiconductor. In this study, we are introducing production of GaAs nanofibers by electrospinning methodology as a very low cost and yielding distinct product technique. In general, nano-fibrous shape is strongly improving the physical properties due to the high surface area to volume ratio of this nanostructure. The mechanical and environmental properties of the GaAs compound have been modified since GaAs nanofibers have been produced as a core inside a poly(vinyl alcohol) (PVA) shell. GaAs/PVA nanofibers were prepared by electrospinning of gallium nitrate/PVA solution in presence of arsenic vapor. The whole process was carried out in a closed hood equipped with nitrogen environment. FT-IR, XPS, TGA and UV-Vis spectroscopy analyses were utilized to confirm formation of GaAs compound. Transmission electron microscope (TEM) analysis has revealed that the synthesized GaAs compound is crystalline and does have nano-fibrous shape as a core inside PVA nanofibers. To precisely recommend the prepared GaAs nanofiber mats to be utilized in different applications, we have measured the electric conductivity and the band gap energies of the prepared nanofiber mats. Overall, the obtained results affirmed that the proposed strategy successfully remedied the drawbacks of the reported GaAs structures and did not affect the main physical properties of this important semiconductor.


  • 주제어

    Optical materials .   Gallium arsenide .   Nanostructured materials .   Sol-gel processes .   Semiconductors.  

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  • 이 논문을 인용한 문헌 (1)

    1. 2011. "" Fibers and polymers, 12(1): 50~56     

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