467992 Assembling Freestanding Conductive Polymer Tube Arrays at Liquid/Liquid Interface

Wednesday, November 16, 2016: 5:03 PM
Golden Gate 4 (Hilton San Francisco Union Square)
Tuo Ji, Long Chen and Jiahua Zhu, Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH

Patterned tube array structures are mainly synthesized by template-assisted and substrate-initiated methods so far, which meet significant challenges in scale-up manufacturing and non-destructive transfer to desired support. Herein, freestanding tubular array of conductive polymers were successfully synthesized without using template or substrate. A “water/oil/water” triphasic reaction system was employed to control diffusion and reaction at separate “water/oil” and “oil/water” interfaces. The former controls reactant feeding rate and the latter determines reaction rate. By synergistic integration of diffusion and reaction in one reactor, freestanding tubular-arrayed conductive polymer thin films were successfully fabricated. Molecular dynamic simulation was performed to understand the reactant diffusion across the two interfaces. This “water/oil/water” triphasic method opens up a new approach to synthesize other patterned three dimensional materials by careful designing the reaction system.

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See more of this Session: Processing and Technology of Composites
See more of this Group/Topical: Materials Engineering and Sciences Division