Citation: Huihui Zhao, Weimin Kang, Xiaomin Ma, Nanping Deng, Zongjie Li, Bowen Cheng. Fabrication and catalytic behavior of hierarchically-structured nylon 6 nanofiber membrane decorated with silver nanoparticles[J]. Chinese Journal of Catalysis, ;2017, 38(1): 73-82. doi: 10.1016/S1872-2067(16)62545-7 shu

Fabrication and catalytic behavior of hierarchically-structured nylon 6 nanofiber membrane decorated with silver nanoparticles

a College of Textile, Tianjin Polytechnic University, Tianjin 300387, China;
b State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin 300387, China

Received Date: 5 August 2016
Revised Date: 29 August 2016

Fund Project: This work was supported by the National Natural Science Foundation of China (51673148), National Basic Research Program of China (2014CB660813), National Key Technology Support Program (2015BAE01B03), Innovation Fund for Technology of China (14C26211200298), and Innovation Fund for Technology of Tianjin (14TXGCCX00014,14ZXCXGX00776).

A hierarchically-structured nylon 6 (PA6) nanofiber membrane decorated with silver nanoparticles (Ag NPs) was fabricated by electrospinning and impregnation methods. The as-fabricated hierar-chically-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 spe-cific 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 nano-fiber membrane is therefore a potential nanocatalyst.
- Electrospinning,
- Hierarchical structure,
- Ag nanoparticle,
- PA6 nanofiber membrane,
- Catalysis
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沈阳化工大学材料科学与工程学院沈阳 110142