Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session W09: Gel Rheology
3:00 PM–6:00 PM,
Thursday, March 9, 2023
Room: Room 132
Sponsoring
Unit:
DSOFT
Chair: Lilian Hsiao, North Carolina State University
Abstract: W09.00010 : Additive-free Gelation of Graphene Oxide Aqueous Dispersion Induced by the Mild Thermal Annealing
5:12 PM–5:24 PM
Presenter:
Geon Woong Kim
(Seoul Natl Univ)
Authors:
Geon Woong Kim
(Seoul Natl Univ)
So Youn Kim
(Seoul Natl Univ)
Here, we propose a strategy for additive-free gelation of GO dispersions through mild thermal annealing (MTA). The MTA can flocculate GO particles and ultimately form a stable gel structure without significant reduction. The microstructure and rheological properties of MTA induced gels are investigated with extensive SAXS and rheological property studies suggesting the mechanism of gelation. The ultimate electrical properties of MTA based GO structures are also discussed.
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