Anthony John Varni

Portrait of  Anthony John Varni
  • Title
    Staff Scientist
  • Email
    varni4@llnl.gov
  • Phone
    (925) 424-6205
  • Organization
    PLS-MSD-MATERIALS SCIENCE DIVISION

Anthony is a staff scientist with expertise in polymer design and synthesis. His current projects focus on the development of materials for applications in CO2 direct air capture, energetic plasticizers, and anion exchange membranes.

PhD, Chemistry, Carnegie Mellon University, 2021

BS, Chemistry, California Polytechnic State University, San Luis Obispo, 2015

Li, S.; Guta, Y.; Calegari Andrade, M. F.; Hunter-Sellars, E.; Maiti, A.; Varni, A. J.; Sievers, C.; Pang, S. H.; Jones, C. W. Competing Kinetic Consequences of CO2 on the Oxidative Degradation of Branched Poly(ethylenimine). J. Am. Chem. Soc. 2024, 146, 41, 28201-28213.  

Shear, T. A.;* Varni, A. J.;* Zhang, M. X.; Martinez, H. P. Energetic Silicones: Synthesis and Characterization of Pentaoxadiazole-PDMS Copolymers. Phys. Chem. Chem. Phys. 2024, 26, 26719-26722.

Hunter-Sellars, E.; Kerr, J. D.; Eshelman, H. V.; Pollard, Z. A.; Varni, A. J.; Sakwa-Novak, M. A.; Marple, M. A. T.; Pang, S. H. Oxidation of Supported Amines for CO2 Direct Air Capture: Assessing Impact on Physical Properties and Mobility via NMR Relaxometry. Macromol. Chem. Phys. 2024, 225, 14, 2400023.

Li, S.; Calegari Andrade, M. F.; Varni, A. J.; Russell-Parks, G. A.; Braunecker, W. A.; Hunters-Sellars, E.; Marple, M. A. T.; Pang, S. H. Enhanced Hydrogen Bonding via Epoxide-Functionalization Restricts Mobility in Poly(ethylenimine) for CO2 Capture. Chem. Commun. 2023, 59, 72, 10737-10740.

Li, S.; Cerón, M. R.; Eshelman, H. V.; Varni, A. J.; Maiti, A.; Akhade, S.; Pang, S. H. Probing the Kinetic Origin of Varying Oxidative Stability of Ethyl- vs. Propyl-Spaced Amines for Direct Air Capture. ChemSusChem 2023, 16, e202201908.

Moore, T.; Varni, A. J.; Pang, S. H.; Akhade, S. A.; Li, S.; Nguyen, D. T.; Stolaroff, J. K. Thermal Modulation of Reaction Equilibria Controls Mass Transfer in CO2-Binding Organic Liquids. Energy Environ. Sci. 2023, 16, 484-490.

 

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