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Stabilization of Three-Particle Excitations in Monolayer MoS ₂ by Fluorinated Methacrylate Polymers

https://doi.org/10.1021/acs.jpclett.2c01150

Hight-Huf, Nicholas; Pagaduan, James Nicolas; Katsumata, Reika; Emrick, Todd; Barnes, Michael D. (June 2022, The Journal of Physical Chemistry Letters)

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Polarization-Driven Asymmetric Electronic Response of Monolayer Graphene to Polymer Zwitterions Probed from Both Sides

https://doi.org/10.1021/acsami.1c13505

Hight-Huf, Nicholas; Nagar, Yehiel; Levi, Adi; Pagaduan, James Nicolas; Datar, Avdhoot; Katsumata, Reika; Emrick, Todd; Ramasubramaniam, Ashwin; Naveh, Doron; Barnes, Michael D. (October 2021, ACS Applied Materials & Interfaces)

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Electronic Tuning of Monolayer Graphene with Polymeric “Zwitterists”

https://doi.org/10.1021/acsnano.0c08624

Pagaduan, James Nicolas; Hight-Huf, Nicholas; Datar, Avdhoot; Nagar, Yehiel; Barnes, Michael; Naveh, Doron; Ramasubramaniam, Ashwin; Katsumata, Reika; Emrick, Todd (February 2021, ACS Nano)
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Polymer Zwitterions for Stabilization of CsPbBr ₃ Perovskite Nanoparticles and Nanocomposite Films

https://doi.org/10.1002/anie.201916492

Kim, Hyunki; Hight‐Huf, Nicholas; Kang, Ji‐Hwan; Bisnoff, Phoebe; Sundararajan, Suvin; Thompson, Theo; Barnes, Michael; Hayward, Ryan C.; Emrick, Todd (April 2020, Angewandte Chemie International Edition)

Abstract Functional polymers with sulfobetaine or phosphorylcholine zwitterions as pendent groups are demonstrated as both ligands and host matrices for CsPbBr₃perovskite nanoparticles (PNPs). These polymers produce nanocomposite films with excellent NP dispersion, optical transparency, and impressive resistance to NP degradation upon exposure to water. Multidentate interactions of the zwitterion‐containing copolymers with the PNPs induce dispersed or weakly aggregated nanocomposite morphologies, depending on the extent of zwitterionic functionality in the polymer. Incorporating additional functionality into the polymers, such as benzophenone pendent groups, yields lithographically patternable films, while time‐resolved photoluminescence measurements provide insight into the electronic impact of PNPs in zwitterionic polymer matrices.
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