Direct measurement of nanofluxes and structural relaxations of perfluorinated ionomer membranes by scanning probe microscopy

Journal of Membrane Science

Volumn 279, Issue 1-2, 2006, Pages 608-614

  Wei, Joseph H ^a   He, Mingyan ^b   Overney, René M ^a  

^a University of Washington   (United States)

^b UNIVERSITY OF WASHINGTON   (United States)

Author keywords

Atomic force microscopy; Glass transition; Nafion ; Nanoflux; Permeation

Indexed keywords

ATOMIC FORCE MICROSCOPY; GLASS TRANSITION; IONOMERS; LOW TEMPERATURE OPERATIONS; MECHANICAL PERMEABILITY; RELAXATION PROCESSES;

NAFION; NANOFLUX; PERMEATION; SHEAR MODULATION;

ION EXCHANGE MEMBRANES;

FLUOROCARBON; NANOPARTICLE; PERFLUORO COMPOUND; POLYMER; WATER;

ATOMIC FORCE MICROSCOPY; GLASS TRANSITION; ION EXCHANGE MEMBRANES; IONOMERS; LOW TEMPERATURE OPERATIONS; MECHANICAL PERMEABILITY; RELAXATION PROCESSES;

ARTICLE; ARTIFICIAL MEMBRANE; GLASS TRANSITION TEMPERATURE; KINETICS; MICROSCOPY; PRIORITY JOURNAL; SCANNING PROBE MICROSCOPY; TEMPERATURE; WATER TRANSPORT;

EID: 33744513125     PISSN: 03767388     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.memsci.2005.12.055     Document Type: Article

References (37)

1. Yeager H.L., and Eisenberg A. Perfluorinated ionomer membranes. In: Eisenberg A., and Yeager H.L. (Eds). ACS Symp. Series 180 (1982), Amer. Chem. Soc, Washington, DC
2. Tant M.R., Mauritz K.A., and Wilkes G.L. Ionomers: Synthesis, Structure, Properties and Applications (1997), Blackie Acedemic and Professional, London
3. Mologin D.A., Khalatur P.G., and Khokhlov A.R. Molecular simulations of Nafion membranes in the presence of polar solvents. In: Samios J., and Durov V.A. (Eds). Novel Approaches to the Structure and Dynamics of Liquids: Experiments, Theories and Simulations (2004), Kluwer Academic, Boston
4. Rikukawa M., and Sanui K. Proton-conducting polymer electrolyte membranes based on hydrocarbon polymers. Prog. Polym. Sci. 25 (2000) 1463-1502
5. Zawodzinski T.A., Davey J., Valerio J., and Gottesfeld S. The water content dependence of electro-osmotic drag in proton-conducting polymer electrolytes. Electrochim. Acta 40 (1995) 297-302
6. Ren X.M., Henderson W., and Gottesfeld S. Electro-osmotic drag of water in ionomeric membranes. J. Electrochem. Soc. 144 (1997) L267-L270
7. Baschuk J.J., and Li X. Modeling of polymer electrolyte membrane fuel cells with variable degrees of water flooding. J. Power Sources 86 (2000) 181-196
8. Fujimura M., Hashimoto T., and Kawai H. Small-angle X-ray-scattering study of perfluorinated ionomer membranes I origin of 2 scattering maxima. Macromolecules 14 (1981) 1309-1315
9. McLean R.S., Doyle M., and Sauer B.B. High-resolution imaging of ionic domains and crystal morphology in ionomers using AFM techniques. Macromolecules 33 (2000) 6541-6550
10. Sakai T., Takenaka H., and Torikai E. Gas-diffusion in the dried and hydrated Nafions. J. Electrochem. Soc. 133 (1986) 88-92
11. Ogumi Z., Kuroe T., and Takehara Z. Gas permeation in SPE method II. oxygen and hydrogen permeation through Nafion. J. Electrochem. Soc. 132 (1985) 2601-2605
12. Broka K., and Ekdunge P. Oxygen and hydrogen permeation properties and water uptake of Nafion 117 membrane and recast film for PEM fuel cell. J. Appl. Electrochem. 27 (1997) 117-123
13. Yeo S.C., and Eisenberg A. Physical-properties and supermolecular structure of perfluorinated ion-containing (Nafion) polymers. J. Appl. Polym. Sci. 21 (1977) 875-898
14. Takamatsu T., and Eisenberg A. Densities and expansion coefficients of Nafion polymers. J. Appl. Polym. Sci. 24 (1979) 2221-2235
15. Hodge I.M., and Eisenberg A. Dielectric and mechanical relaxations in a nafion precursor. Macromolecules 11 (1978) 289-293
16. Sen A., Leach K.E., and Varjian R.D. Determination of Water Content and Resistivity of Perfluorosulfonic Acid Fuel Cell Membranes (1995), Materials Research Society pp. 157-162
17. Riecke P.C., and Vanderborgh N.E. Temperature-dependence of water-content and proton conductivity in polyperfluorosulfonic acid membranes. J. Membrane Sci 32 (1987) 313-328
18. Overney R.M., Buenviaje C., Luginbuehl R., and Dinelli F. Glass and structural transitions measured at polymer surfaces on the nanoscale. J. Thermal Anal. Cal. 59 (2000) 205-225
19. Alberti G., and Casciola M. Composite membranes for medium-temperature PEM fuel cells. Ann. Rev. Mater. Res. 33 (2003) 129-154
20. Overney R.M., Leta D.P., Fetters L.J., Liu Y., Rafailovich M.H., and Sokolov J. Dewetting dynamics and nucleation of polymers observed by elastic and friction force microscopy. J. Vac. Sci. Technol. B 14 (1996) 1276-1279
21. Buenviaje C., Ge S., Rafailovich M., Sokolov J., Drake J.M., and Overney R.M. Confined flow in polymer films at interfaces. Langmuir 15 (1999) 6446-6450
22. Sills S.E., Overney R.M., Chau W., Lee V.Y., Miller R.D., and Frommer J. Interfacial glass transition profiles in ultrathin, spin cast polymer films. J. Chem. Phys. 120 (2004) 5334-5338
23. Gray T., Overney R.M., Haller M., Luo J., and Jen A.K.-Y. Low temperature relaxations and effects on poling efficiencies of dendronized non-linear optical side-chain polymers. Appl. Phys. Lett. 86 (2005) 211908
24. The equivalent weight (EW) is defined as the grams of polymer per mole of exchange sites, or the grams of the polymer in acid form that will neutralize one equivalent of base.
25. Overney R., and Meyer E. Tribological investigations using friction force microscopy. Mater. Res. Soc. Bull. 18 (1993) 26-34
26. Overney R.M. Nanotribological studies on polymers. TRIP 3 (1995) 359-364
27. Luginbuhl R., Overney R.M., and Ratner B.D. Nanobiotribology at the confined biomaterial interface. ACS Symposium: Interfacial Properties on the Submicrometer Scale (2001) 178-196
28. Ge S., Pu Y., Zhang W., Rafailovich M., Sokolov J., Buenviaje C., Buckmaster R., and Overney R.M. Shear modulation force microscopy study of near surface glass transition temperature. Phys. Rev. Lett. 85 (2000) 2340-2343
29. Buenviaje C., Dinelli F., and Overney R.M. Investigations of heterogeneous ultrathin blends using lateral force microscopy. Macromol. Symp. 167 (2001) 201-212
30. Buenviaje C.K., Ge S.R., Rafailovich M.H., and Overney R.M. Atomic force microscopy calibration methods for lateral force, elasticity, and viscosity. Mater. Res. Soc. Symp. Proc. 552 (1998) 187-192
31. Xomeritakis G., Gouzinis A., Nair S., Okubo T., He M., Overney R.M., and Tsapatsis M. Growth, microstructure, and permeation properties of supported zeolite (MFI) films membranes prepared by secondary growth. Chem. Eng. Sci. 54 (1999) 3521-3531
32. Riecke P.C., and Vanderborgh N.E. Temperature dependence of water content and proton conductivity in polyperfluorosulfonic acid membranes. J. Membrane Sci. 32 (1987) 313-328
33. He Y., and Cussler E.L. Ammonia permeabilities of perfluorosulfonic membranes in various ionic forms. J. Membrane Sci. 68 (1992) 43-52
34. Sakai T., Takenaka H., Wakabayashi N., Kawami Y., and Torikai E. Gas permeation properties of solid polymer electrolyte (SPE) membranes. J. Electrochem. Soc. 132 (1985) 1328-1332
35. Lee Y.T., Iwamoto K., and Seno M. Gas permeabilities of perfluorocarboxylate membranes in various ionic forms. J. Membrane Sci. 49 (1990) 85-93
36. Nonnenmacher M., Greschner J., Wolter O., and Kassing R. Scanning force microscopy with micromachined silicon sensors. J. Vac. Sci. Technol. B 9 (1991) 1358-1362
37. Meyer E., and Overney R.M. Nanoscience-Friction and Rheology on the Nanometer Scale (1998), World Scientific, NJ