Polyacrylonitrile gold nanoparticle composite electrospun fibers prepared by in situ photoreduction

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• 作者：Fadwa H. Anka ; Sanjaya D. Perera ; Chalita Ratanatawanate ; Kenneth J. Balkus Jr. ; ^{balkus@utdallas.edu}
• 关键词：Polyacrylonitrile ; Gold nanoparticles ; Electrospinning ; UV irradiation ; Fibers
• 刊名：Materials Letters
• 出版年：2012
• 期刊代码：59_0167577x
• 类别：ms
• 出版时间：15 May, 2012
• 卷：75
• 期：Complete
• 页码：12-15
• 文件大小：679 K

摘要

Gold nanoparticles (AuNP) were formed in situ, while electrospinning a polyacrylonitrile (PAN) solution of HAuCl₄ under UV light without using heat or chemical reducing agents. The resulting fibers were purple in color due to the formation of AuNP inside and on the surface of the nanofibers. TEM images showed spherical and uniformly dispersed particles inside the polymer fibers. The concentration of Au^+ 3 in the PAN solution is directly proportional to the size of the generated particles, with average diameter of 21.4 nm and 5.8 nm for the 0.044 M and 0.022 M solutions, respectively.