Research interests

• Accelerated aging and material degradation
• Developing tools and for analysis of large experimental data sets
• Electrochemical methods for desalination, selective ion removal, and resource recovery from water
• Developing dual-phase (liquid/solid) membranes for gas separations and fuel cells
• Synthesis and characterization of new carbon materials for energy storage
• Fundamental chemistry and energy storage applications of boron-nitrogen material

Ph.D. Synthetic Organic/Inorganic Chemistry, University of Oregon, Eugene, 2012

B.S. Chemistry, Macalester College, 2005

Google Scholar: https://scholar.google.com/citations?user=eocXmAEAAAAJ&hl=en

33.   Diego I. Oyarzun, Cheng Zhan, Steven A. Hawks, Maira R. Cerón, Helen A Kuo, Colin K. Loeb, Fikret Aydin, Tuan A. Pham, Michael Stadermann, and Patrick G. Campbell “Unraveling the ion adsorption kinetics in microporous carbon electrodes: a multi-scale quantum-continuum simulation and experimental approach” ACS Applied Materials & Interfaces, 2021, 13, 23567–23574. DOI: 10.1021/acsami.1c01640

32.   Alyssa L. Troksa, Hannah V. Eshelman, Swetha Chandrasekaran, Nicholas Rodriguez, Samantha Ruelas, Eric B. Duoss, James P. Kelly, Maira R. Cerón, Patrick G. Campbell “3D-printed nanoporous ceramics: Tunable feedstock for direct ink write and projection microstereolithography” Materials & Design, 2021, 198, 109337. DOI: 10.1016/j.matdes.2020.109337

31.   Ceron, Maira; Aydin, Fikret; Hawks, Steven; Oyarzun, Diego; Loeb, Colin; Deinhart, Amanda; Zhan, Cheng; Pham, Tuan Anh; Stadermann, Michael; Campbell, Patrick “Cation Selectivity in Capacitive Deionization: Elucidating the Role of Pore Size, Electrode Potential and Ion Dehydration” ACS Applied Materials & Interfaces, 2020, 42644–42652. DOI: 10.1021/acsami.0c07903

30.   Fikret Aydin, Maira R. Cerón, Steven A. Hawks, Diego I. Oyarzun, Cheng Zhan, Tuan Anh Pham, Michael Stadermann, and Patrick G. Campbell* “Selectivity of Nitrate and Chloride Ions in Microporous Carbons: The Role of Anisotropic Hydration and Applied Potentials” Nanoscale 2020, DOI: 10.1039/D0NR04496B

29.   Pham, Tuan Anh; Coulthard, Riley; Zobel, Mirijam; Maiti, Amitesh; Buchsbaum, Steven; Loeb, Colin; Campbell, Patrick; Plata, Desiree; Wood, Brandon; Fornasiero, Francesco; Meshot, Eric "Structural Anomalies and Electronic Properties of an Ionic Liquid under Nanoscale Confinement" J. Phys. Chem. Lett. 2020, 11, 6150–6155. DOI: 10.1021/acs.jpclett.0c01810

28.   Helen A. Kuo, Ashwin Ramachandran, Diego I. Oyarzun, Erica C. Clevenger, Juan G. Santiago, Michael Stadermann, Patrick G. Campbell and Steven A. Hawks “Understanding resistances in capacitive deionization devices” Environ. Sci.: Water Res. Technol., 2020, 6, 1842–1854. DOI: 10.1039/d0ew00169d  *undergraduate first author

27.   Diego I. Oyarzun, Steve Hawks, Patrick G. Campbell, Ali Hemmatifar, Ashish Krishna, Michael Stadermann, Juan G. Santiago “Energy transfer for storage or recovery in capacitive deionization using a DC-DC converter” J. Power Sources, 2020, 448, 227409. DOI: 10.1016/j.jpowsour.2019.227409

26.   Cheng Zhan, Maira R. Ceron, Steven A. Hawks, Minoru Otani, Brandon C. Wood, Tuan Anh Pham, Michael Stadermann, Patrick G. Campbell “Ions at Graphitic Interfaces: The Role of Charge Transfer, Ion Hydration, and Confinement” Nat. Commun. 2019, 10 4858. DOI: 10.1038/s41467-019-12854-7

25.   Maira R. Ceron, Cheng Zhan, Patrick G. Campbell, Megan C. Freyman, Christy Santoyo, Luis Echegoyen, Brandon C. Wood, Juergen Biener, Tuan Anh Pham, Monika M. Biener. “Integration of Fullerenes as Electron-Acceptors in 3D Graphene Networks: Enhanced Charge Transfer and Stability Through Molecular Design" ACS Applied Materials & Interfaces 2019, 11, 32, 28818-28822. DOI: 10.1021/acsami.9b06681 *cover article

24.   Ramachandran, A.; Oyarzun, D. I.; Hawks, S. A.; Campbell, P. G.; Stadermann, M.; Santiago, J. G. “Comments on ‘Comparison of energy consumption in desalination by capacitive deionization and reverse osmosis’” Desalination 2019, 461, 30–36.

23.   Hawks, Steven; Ceron, Maira; Pham, Tuan Anh; Zhan, Cheng; Loeb, Colin; Mew, Daniel; Deinhart, Amanda; Wood, Brandon; Santiago, Juan; Stadermann, Michael; Campbell, Patrick "Using Ultramicroporous Carbon for the Selective Removal of Nitrate with Capacitive Deionization" Environ. Sci. Technol., 2019, 53, 10863-10870. doi: 10.1021/acs.est.9b01374 *cover article

22.   Cerón, M. R.; Lai, L. S.; Amiri, A.; Monte, M.; Katta, S.; Kelly, J.; Worsley, M. A.; Merrill, M. D.; Kim, S.; Campbell, P. G.  “Surpassing the Conventional Limitations of CO2 Separation Membranes with Hydroxide/Ceramic Dual-Phase Membranes” Journal of Membrane Science, 2018, 567, 191–198. doi: 10.1016/j.memsci.2018.09.028

21.   Zhan, Cheng; Pham, Tuan Anh; Ceron Hernandez, Maira Raquel; Campbell, Patrick; Vedharathinam, Vedasri; Otani, Minoru; Jiang, De-en; Biener, Juergen; Wood, Brandon; Biener, Monika “Origins and Implications of Interfacial Capacitance Enhancements in C60-Modified Graphene Supercapacitors” ACS Appl. Mater. Interfaces, 2018, 10, 36860–36865. doi: 10.1021/acsami.8b10349

20.   Hawks, S. A.; Ramachandran, A.; Porada, S.; Campbell, P. G.; Suss, M. E.; Biesheuvel, P. M.; Santiago, J. G.; Stadermann, M. “Performance Metrics for the Objective Assessment of Capacitive Deionization Systems” Water Research., 2019, 152, 126–137. doi: 10.1016/j.watres.2018.10.074

19.   Hensleigh, Ryan; Cui, Huachen; Oakdale, James; Ye, Jianchao; Campbell, Patrick; Duoss, Eric; Spadaccini, Christopher; Zheng, Xiaoyu; Worsley, Marcus "Additive Manufacturing of Complex Micro-architected Graphene Aerogels" Material Horizons, 2018, 5, 1035-1041. doi: 10.1039/C8MH00668G *cover article  

18.   Kudo, A; Campbell P. G.; Biener, J. “Nanographene Aerogels: Size Effect of the Precursor Graphene Oxide on Gelation Process and Electrochemical Properties” ChemNanoMat, 2018, 4, 338-342. doi:10.1002/cnma.201700292 *cover article

17.   Chandrasekaran, S.; Campbell, P.; Baumann, T.; Worsley, M. “Carbon Aerogel Evolution: Allotrope, Graphene-Inspired, and 3D-Printed Aerogels” Journal of Materials Research, 2017, 32, 4166–4185. doi:10.1557/jmr.2017.411

16.   Hawks, S. A.; Knipe, J. M.; Campbell, P. G.; Loeb, C. K.; Hubert, M. A.; Santiago, J. G.; Stadermann, M. “Quantifying the Flow Efficiency in Constant-Current Capacitive Deionization” Water Research, 2018, 129, 327–336.

15.   Qu, Y.; Campbell, P. G.; Hemmatifar, A.; Knipe, J. M.; Loeb, C. K.; Reidy, J. J.; Hubert, M. A.; Stadermann, M.; Santiago, J. G. “Charging and Transport Dynamics of a Flow-Through Electrode Capacitive Deionization System” J. Phys. Chem. B., 2018, 122, 240–249.

14.    McConnell, C. R.; Campbell, P. G.; Fristoe, C. R.; Memmel, P.; Zakarhov, L. N.; Li, B.; Dargelos, A.; Chrostowska, A.; Liu, S.-Y. "Synthesis and Characterization of 1,2-Azaborine-Containing Phosphine Ligands: A Comparative Electronic Structure Analysis" Eur. J. Inorg. Chem. 2017, 2207–2210. doi:10.1002/ejic.201700242 

13.   Qu, Y.; Campbell, P. G; Gu, L.; Knipe, J. M.; Dzenitis, E; Santiago, J. G.; Stadermann, M. “Energy consumption analysis of constant voltage and constant current operations in capacitive deionization” Desalination 2016, 400, 18–24. doi:10.1016/j.desal.2016.09.014

12.   Reyes, S.; Anklam, T.; Meier, W.; Campbell, P.; Babineau, D.; Becnel, J.; Taylor, C.; Coons, J. “Recent developments in IFE safety and tritium research and considerations for future nuclear fusion facilities” Journal of Fusion Engineering and Design 2016. doi:10.1016/j.fusengdes.2016.03.034

11.   Ye, J. C.; An, Y.; Montalvo, E.; Campbell, P. G.; Worsley, M. A.; Tran, I. C.; Liu, Y.; Wood, B. C.; Biener, J.; Jiang, H.; Tang, M.; Wang, Y. M. “Solvent-directed Solgel Assembly of 3-dimensional Graphene-tented Metal Oxides and Strong Synergistic Disparities in Lithium Storage” J. Mater. Chem. A 2016, 4, 4032–4043. doi:10.1039/C5TA10730J

10.   Ye, J. C.; Ong, M. T.; Heo, T. W., Campbell, P. G.; Worsley, M. A.; Liu, Y. Charnvanichborikarn, S.; Matthews, M. J.; Lewicki, J.; Bagge-Hansen, M. Lee, J. R. I.; Wood, B. C.; Wang, Y. M. “Universal roles of hydrogen in electrochemical performance of graphene: high rate capacity and atomistic origins” Sci. Rep. 2015, 5, 16190. doi:10.1038/srep16190

9.     Campbell, P. G.; Worsley, M. A.; Baumann, T. F.; Biener, J. “Synthesis and Functionalization of 3D Nano-Graphene Materials: Graphene Aerogels and Graphene Macro Assemblies” J. Vis. Exp. 2015 e53235. doi:10.3791/53235      * Invited contribution

8.     Lenhardt, J. M.; Kim, S. H.; Worsley, M. A.; Leif, R. N.; Campbell, P. G.; Baumann, T. F.; Satcher, J. H. Jr. “ROMP crosslinkers for the preparation of aliphatic aerogels” J. Non-Crystalline Solids 2015, 408, 98–101.

7.     Campbell, P. G.; Merrill, M. D.; Wood, B. C.; Montalvo, E.; Worsley, M. A.; Baumann, T. F.; Biener, J. “Battery/supercapacitor hybrid via non-covalent functionalization of graphene macro-assemblies” J. Mater. Chem. A 2014, 2, 17764–17770.  *2014 Journal of Materials Chemistry A “Hot Article” *cover article

6.     Merrill, M. D.; Montalvo, E.; Campbell, P. G.; Wang, Y. M.; Stadermann, M.; Baumann, T. F.; Biener, J.; Worsley, M. A. “Optimizing supercapacitor electrode density: achieving the energy of organic electrolytes with the power of aqueous electrolytes” RSC Adv. 2014, 4, 42942-42946.

5.     Campbell, P. G.; Ishibashi, J. S. A.; Zakharov, L. N.; Liu, S.-Y. "B-Methyl Amine Borane Derivatives: Synthesis, Characterization and Hydrogen Release" Aust. J. Chem. 2014, 67, 521–524.

4.     Campbell, P. G.; Marwitz, A. J. V.; Liu, S.-Y. “Recent Advances in Azaborine Chemistry” Angew. Chem. Int. Ed. 2012, 51, 6074–6092.

3.     Luo, W.; Campbell, P. G.; Zakharov, L. N.; Liu, S.-Y. “A Single-Component Liquid-Phase Hydrogen Storage Material” J. Am. Chem. Soc. 2011, 133, 19326–19329.

2.     Campbell, P. G.; Abbey, E. R.; Neiner, D.; Grant, D. J.; Dixon, D. A.; Liu, S.-Y. “Resonance Stabilization Energy of 1,2-Azaborines: A Quantitative Experimental Study by Reaction Calorimetry” J. Am. Chem. Soc. 2010, 132, 18048–18050.

1.     Campbell, P. G.; Zakharov, L. N.; Grant, D. J.; Dixon, D. A.; Liu, S.-Y. “Hydrogen Storage by Boron-Nitrogen Heterocycles: A Simple Route for Spent Fuel Regeneration” J. Am. Chem. Soc. 2010, 132, 3289–3291.