Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N00: Poster Session II (11am-2pm PST)
11:00 AM,
Wednesday, March 8, 2023
Room: Exhibit Hall (Forum Ballroom)
Sponsoring
Unit:
APS
Abstract: N00.00109 : Characterization of Thin Film Nafion Structure via Neutron Reflectometry and Complementary Techniques*
Presenter:
Natalie Linnell Schwab
(University of Maryland, College Park)
Authors:
Natalie Linnell Schwab
(University of Maryland, College Park)
Yuanchao Li
(University of Kansas)
Trung Van Nguyen
(University of Kansas)
Jim Browning
(Oak Ridge National Laboratory)
Robert M Briber
(University of Maryland, College Park)
Joseph A Dura
(National Institute of Standards and Technology)
NR data of the neat Nafion:TiO2 sample taken in dry (Ar, 0% RH) and humidified (H2O and D2O, 92% RH) environments are compared to determine the Nafion water content as a function of depth through the film. A non-lamellar, mixed-SLD region at the Nafion:TiO2 interface was observed.
NR results of the hydrophobic and hydrophilic-engineered Nafion thin films on TiO2 are compared to the neat films to determine water uptake differences and changes to the Nafion surface structure following modification.
[a]10.1149/2.1081702jes [b]10.1021/ma802823j [c]10.1039/C4SM00850B
*This work was supported by NIST cooperative agreement 70NANB17H301.
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