Fabrication and catalytic behavior of hierarchically-structured nylon 6 nanofiber membrane decorated with silver nanoparticles
详细信息 查看全文
- 作者：Huihui Zhao<sup>asup> ; Weimin Kang<sup>asup><sup> ; sup><sup>bsup><sup> ; sup><sup>kweimin@126.comsup> ; Xiaomin Ma<sup>asup> ; Nanping Deng<sup>asup> ; Zongjie Li<sup>asup> ; Bowen Cheng<sup>asup><sup> ; sup><sup>bsup><sup> ; sup><sup>bowen15@tjpu.edu.cnsup>
- 关键词：Electrospinning ; Hierarchical structure ; Ag nanoparticle ; PA6 nanofiber membrane ; Catalysis
- 刊名：Chinese Journal of Catalysis
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：38
- 期：1
- 页码：73-82
- 全文大小：1193 K
- 卷排序：38
文摘
A hierarchically-structured nylon 6 (PA6) nanofiber membrane decorated with silver nanoparticles (Ag NPs) was fabricated by electrospinning and impregnation methods. The as-fabricated hierarchically-structured Ag/PA6 nanofiber membrane (HS-Ag/PA6 NM) exhibits a morphology in which Ag NPs are deposited on the surfaces of both thick fibers and thin fibers. The content and size of the Ag NPs can be controlled by varying the concentration of the silver colloid solution. Compared with the non-hierarchically-structured Ag/PA6 nanofiber membrane, HS-Ag/PA6 NM has a higher specific surface area and exhibits a higher degradation rate for methylene blue of 81.8%–98.1% within 2 h. HS-Ag/PA6 NM can be easily recycled and exhibits good reusability. It retains a degradation rate for methylene blue of 83.5% after five consecutive cycles. The hierarchically-structured nanofiber membrane is therefore a potential nanocatalyst.