We are always seeking creative and dedicated engineers and scientists! More information here.
The Winey Lab at the University of Pennsylvania employs a variety of experimental and computational tools to probe the structural and physical properties of advanced polymers. We are studying and designing functional polymers to improve ion and proton conductivity targeting a variety of energy applications. In polymer nanocomposites our current interests focus on nanoparticle dynamics across a range of time and length scales. Our newest project focuses on polymer-to-polymer upcycling to convert waste polyolefins to higher value polymers.
Recent Publications
Eli J. Fastow, Anne N. Radzanowski, E. Bryan Coughlin, Karen I. Winey*, ACS Applied Polymer Materials, 2025.
Impact of Hydroxyl Functionalization and Unsaturation on Linear Poly(ethylene-co-vinyl alcohol)
Anne N. Radzanowski, Eli J. Fastow, Chien-Hua Tu, James Votruba-Drzal, Vivek Nair, Karen I. Winey*, and E. Bryan Coughlin*, Macromolecules, 2025 58 (5), 2675-2682
Gold Nanoparticle Adsorption in Covalently Bonded Weak Polyelectrolyte Brusheshttps://pubs.acs.org/doi/10.1021/acs.macromol.4c02332
Katie Sun, Ye Chan Kim, Russell J. Composto*, and Karen I. Winey*, Macromolecules, 2025 58 (5), 2412-2424
Ikechukwu Martin Ogbu, Eli J. Fastow, Karen I. Winey* and Marisa C. Kozlowski*, Macromolecules, 2024, 57, 10767−10777.
I. M. Ogbu, Eli J. Fastow, W. Zhu, L. A. Wells, R. J. Chethalen, Vivek Nair, Z. R. Hinton, A. H. Balzer, W. Hu, E. Bryan Coughlin, Karen I. Winey*, and Marisa C. Kozlowski*, Macromolecules, 2024.
Eli Fastow, Roshni John Chethalen, E. Bryan Coughlin, and Karen I. Winey*, Giant, 17, 100231, 2024.
Determination of film thicknesses of metal oxides prepared by atomic layer deposition on SBA-15
Ching-Yu Wang, Ben T. Ferko, Kai Shen, Karen I. Winey, John M. Vohs, and Raymond J. Gorte*, Microporous and Mesoporous Materials, 366,112945, 2024.
Vehicular and Core–Shell Nanoparticle Diffusion in Attractive Entangled Polymer Melts
Kaitlin Wang and Karen I. Winey*, Macromolecules, 2024.
Chien-Hua Tu, Eli J. Fastow, Roshni John Chethalen, George V. Papamokos, E. Bryan Coughlin, & Karen I. Winey*, Macromolecules, 2024.
Nanoparticle Diffusion in Crowded Polymer Nanocomposite Melts
Kaitlin Wang and Karen I. Winey*. ACS Macro Letters, 13, 1192-1197, 2024.
Nanoparticle Diffusion in Crowded Polymer Nanocomposite Melts
Jou-Tsen Ou, Margaret K. Brown, Jason D. Kaff, Rhys W. Hughes, Dale L. Huber, Brent S. Sumerlin, Karen I. Winey, Mercedes K. Taylor*. ACS Applied Polymer Materials, 2024.
Vat photopolymerization of poly(styrene-b-isoprene-b-styrene) triblock copolymers
Ren H. Bean, Garvit Nayyar, Margaret K. Brown, Jianheng Wen, Yiqun Fu, Karen I. Winey, Christopher B. Williams, Timothy E. Long. Additive Manufacturing, 92, 104391, 2024.
Research
The Role of Local Structure and Dynamics on
Proton and Hydroxide Transport in Ion-Conducting Polymers
Polyolefin Upcycling through Dehydrogenation & Functionalization
Bound Layer Exchange in Polymer Nanocomposite Melts
Conductivity in Nanostructured Precise Polymers
Nanoparticle Interactions and Nanoscale Transport in Polyelectrolyte Brushes
