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PDFOpen Access (License Unspecified), Open Access
Thesis
Polymer-filled nanoporous membranes
Master of Science (M.S.), Drexel University
Jun 2005
DOI:
https://doi.org/10.17918/etd-478
Abstract
Recent studies in our laboratory have demonstrated the effect of nanostructure on proton conductivity. In this study, oriented nanostructured polymer membranes were fabricatedby conjoining an ion conductive polymer with nanoporous host membranes, which have uniform pores aligned normal to the plane of the membrane. The hypothesis of research is that by orienting the ionic nanostructure of an ion conductive polymer, the ion transport will therefore increase. A number of strategies were employed to maximize pore-filling efficiency and control the thickness of the resulting composite membrane. For example, track-etched polycarbonate and porous alumina membranes (both of which have straight and cylindrical pores aligned normal to the plane of the membrane) werefilled with sulfonated polystyrene using various physical sorption techniques at a varietyof pore sizes. The structures of these membranes were characterized using SEM, and the proton conductivity was studied using electrochemical impedance spectroscopy. Transport structure-property relationships were analyzed based on these results.
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Details
- Title
- Polymer-filled nanoporous membranes
- Creators
- Sunil Raghav - DU
- Contributors
- Yossef A. Elabd (Advisor) - Drexel University (1970-)
- Awarding Institution
- Drexel University
- Degree Awarded
- Master of Science (M.S.)
- Publisher
- Drexel University; Philadelphia, Pennsylvania
- Resource Type
- Thesis
- Language
- English
- Academic Unit
- Chemical (and Biological) Engineering [Historical]; College of Engineering (1970-2026); Drexel University
- Other Identifier
- 478; 991014632945204721