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Ultra-low dielectric performance of polymer electrospun nanofiber mats
作者:Yongxin Li, Xiaofeng Lu, Xincai Liu, Chengcheng Zhang, Xiang Li, Wanjin Zhang and Ce Wang
關(guān)鍵字:MESOPOROUS SILICA FILMS; HYBRID NANOCOMPOSITES; CONSTANT MATERIALS; POLY(AMIC ACID)S; THIN-FILMS; POLYIMIDES; COPOLYMERS
論文來源:期刊
具體來源:APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
發(fā)表時間:2010年
Nanofiber membranes of five different kinds of polymers have been prepared. The results of dielectric constant (k) measurements reveal that k-values of the polymers can be reduced dramatically by the electrospinning technique. The effects of the polymer types, the densities of the membranes, and the diameters of the fibers on the reducing of k-values have been investigated. It turns out that the unique microporous structures in the electrospun fiber films play an important role in decreasing the k-values of the polymer films. We anticipate that such a facile and general method may be applied to prepare ultra-low-dielectric-constant materials with potential application in the field of microelectronics.
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