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Research Areas

Summaries of the Ober Group's research interests are listed below, along with the names of the group members working on each project. Please click on the titles or the expand/shrink links of the individual projects to read the project descriptions.


Transient Polymer Substrates

▶ Katherine Camera

Heat and acid triggered polycarbonate transience. Structural integrity and thermal sensitivity can be combined to create a stable substrate at room temperature which can then subsequently vaporize upon heating.

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References


Polymer Brushes

▶ Hai Quang Tran, Yuming (Robin) Huang, Nilay Duzen

Antibody detection with a functionalized poly(acrylic acid) (PAA) brush modified electrode. The Antibody Catalyzed Water Oxidation Pathway (ACWOP) generates electrically-detectable H2O2.

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References


Anti-biofouling Surface-Active Block Copolymers

▶ Amanda Leondardi

Aluminum panels (reference and SABC-coated) after 30 days of static immersion and 30 days of dynamic sea immersion (Tuticorin, India). Tests performed by Nanosurfaces Inc.

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References


Nanoparticle Photoresists

▶ Kazuki Kasahara, Dr. Hong Xu

Structure illustration of nanoparticle photoresist and their EUV patterns.

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References


Paired Ionic Electronic Conductors

▶ Ziwei Liu

Liquid crytals with immiscible ionic conducting building blocks and electronic conducting building blocks can self-assemble into specific phases generating co-continuous domains for ion and electronic carrier transport, respectively

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Check out the project website to find more information at http://dmref.coecis.cornell.edu/index.html

References

  • Giridharagopal, R. ; Flagg, L. Q. ; Harrison, J. S. ; Ziffer, M. E. ; Onorato, J. ; Luscombe, C. K. ; Ginger, D. S., "Electrochemical strain microscopy probes morphology-induced variations in ion uptake and performance in organic electrochemical transistors", Nature Materials, 16, 737 (2017)
  • Sun, Y. ; Padmanabhan, P. ; Misra, M. ; Escobedo, F. A., "Molecular dynamics simulation of thermotropic bolaamphiphiles with a swallow-tail lateral chain: Formation of cubic network phases", Soft Matter, 13, 8542 (2017)

Stable Radical Polymer

▶ Alicia Cintora, Fan Fan, Ziwei Liu, Yiren Zhang

Block copolymers with stable radical groups phase separate into ordered morphologies. Due to their reversible redox reactions they may find applications in next generation batteries.

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References


Laser Annealing for Block Copolymers

▶ Jing Jiang

directed self-assembly PS-PDMS by graphoepitaxy using diode laser at 45W for 20ms

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Organic Bioelectronics

▶ Amanda Leonardi

The molecular conformation (folding) of of fibronectin can be controlled by applying an appropriate voltage to a conducting polymer surface. This concept is extended to rationally designed synthetic block copolymers.

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References