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Fundamental and Computational Sciences Directorate

Staff information

Eric Walter

Interfacial Sciences & Simulation
Pacific Northwest National Laboratory
PO Box 999
MSIN: K8-98
Richland, WA 99352

PNNL Publications


  • Walter ED, L Qi, A Chamas, HS Mehta, JA Sears, Jr, SL Scott, and DW Hoyt. 2018. "Operando MAS NMR Reaction Studies at High Temperatures and Pressures." Journal of Physical Chemistry C 122(15):8209-8215.  doi:10.1021/acs.jpcc.7b11442
  • Reardon PN, ED Walter, CL Marean-Reardon, CW Lawrence, M Kleber, and NM Washton. 2018. "Carbohydrates Protect Protein Against Abiotic Fragmentation By Soil Minerals." Scientific Reports 8:813.  doi:10.1038/s41598-017-19119-7
  • Wang A, Y Wang, ED Walter, RK Kukkadapu, Y Guo, G Lu, RS Weber, Y Wang, CHF Peden, and F Gao. 2018. "Catalytic N2O decomposition and reduction by NH3 over Fe/Beta and Fe/SSZ-13 catalysts." Journal of Catalysis 358:199-210.  doi:10.1016/j.jcat.2017.12.011


  • Jaegers NR, C Wan, MY Hu, M Vasiliu, DA Dixon, ED Walter, I Wachs, Y Wang, and JZ Hu. 2017. "Investigation of silica-supported vanadium oxide catalysts by high-field 51V Magic Angle Spinning NMR." Journal of Physical Chemistry C 121(11):6246-6254.  doi:10.1021/acs.jpcc.7b01658
  • Bowers GM, HT Schaef, JS Loring, DW Hoyt, SD Burton, ED Walter, and RJ Kirkpatrick. 2017. "Role of Cations in CO2 Adsorption, Dynamics, and Hydration in Smectite Clays Under in situ Supercritical CO2 Conditions." Journal of Physical Chemistry C 121(1):577-592.  doi:10.1021/acs.jpcc.6b11542
  • Chatterjee S, A Andersen, Y Du, MH Engelhard, GB Hall, TG Levitskaia, WW Lukens, V Shutthanandan, ED Walter, and NM Washton. 2017. Characterization of Non-pertechnetate Species Relevant to the Hanford Tank WastePNNL-26265, Pacific Northwest National Laboratory, Richland, WA. 
  • Chen Y, HS Mehta, M Butler, ED Walter, PN Reardon, RS Renslow, KT Mueller, and NM Washton. 2017. "High-Resolution Microstrip NMR Detectors for Subnanoliter Samples." Physical Chemistry Chemical Physics. PCCP 19(41):28163-28174.  doi:10.1039/c7cp03933f
  • Duan W, J Huang, JA Kowalski, IA Shkrob, V Murugesan, ED Walter, B Pan, Z Yang, JD Milshtein, B Li, C Liao, Z Zhang, W Wang, J Liu, JS Moore, F Brushett, L Zhang, and X Wei. 2017. "“Wine-Dark Sea” in An Organic Flow Battery: Storing Negative Charge in 2,1,3-Benzothiadiazole Radicals Leads to Improved Cyclability." ACS Energy Letters 2(5):1156-1161.  doi:10.1021/acsenergylett.7b00261
  • Kim KH, T Dutta, ED Walter, NG Isern, JR Cort, BA Simmons, and S Singh. 2017. "Chemoselective Methylation of Phenolic Hydroxyl Group Prevents Quinone Methide Formation and Repolymerization during Lignin Depolymerization." ACS Sustainable Chemistry & Engineering 5(5):3913-3919.  doi:10.1021/acssuschemeng.6b03102
  • Liu B, W Xu, J Zheng, P Yan, ED Walter, NG Isern, ME Bowden, MH Engelhard, S Kim, J Read, BDG Adams, X Li, J Cho, C Wang, and J Zhang. 2017. "Temperature dependence of the oxygen reduction mechanism in nonaqueous Li-O2 batteries." ACS Energy Letters 2:2525-2530.  doi:10.1021/acsenergylett.7b00845
  • Prodinger S, MA Derewinski, Y Wang, NM Washton, ED Walter, J Szanyi, F Gao, Y Wang, and CHF Peden. 2017. "Sub-micron Cu/SSZ-13: synthesis and application as selective catalytic reduction (SCR) catalysts." Applied Catalysis. B, Environmental 201:461-469.  doi:10.1016/j.apcatb.2016.08.053
  • Prokopchuk DE, ES Wiedner, ED Walter, CV Popescu, NA Piro, WS Kassel, RM Bullock, and MT Mock. 2017. "Catalytic N2 Reduction into Silylamines and Thermodynamics of N2 Binding at Square Planar Fe." Journal of the American Chemical Society 139(27):9291-9301.  doi:10.1021/jacs.7b04552
  • Qi L, R Alamillo, WA Elliott, A Andersen, DW Hoyt, ED Walter, KS Han, NM Washton, RM Rioux, JA Dumesic, and SL Scott. 2017. "Operando Solid-State NMR Observation of Solvent-Mediated Adsorption-Reaction of Carbohydrates in Zeolites." ACS Catalysis 7(5):3489-3500.  doi:10.1021/acscatal.7b01045
  • Qi L, R Alamillo, WA Elliott, A Andersen, DW Hoyt, ED Walter, KS Han, NM Washton, RM Rioux, JA Dumesic, and SL Scott. 2017. "Operando solid-state NMR observations of solvent-mediated adsorption-reaction of carbohydrates in zeolites." ACS Catalysis 7(5):3489-3500.  doi:10.1021/acscatal.7b01045
  • Song J, Y Wang, ED Walter, NM Washton, D Mei, L Kovarik, MH Engelhard, S Prodinger, Y Wang, CHF Peden, and F Gao. 2017. "Towards rational design of Cu/SSZ-13 selective catalytic reduction catalysts: Implications from atomic-level understanding of hydrothermal stability." ACS Catalysis 7(12):8214-8227.  doi:10.1021/acscatal.7b03020
  • Weaver JL, CZ Soderquist, PL Gassman, ED Walter, WW Lukens, and JS McCloy. 2017. "Synthesis and Characterization of 5- and 6- Coordinated Alkali Pertechnetates." MRS Advances 2(10):525-542.  doi:10.1557/adv.2017.18


  • Gao F, Y Zheng, RK Kukkadapu, Y Wang, ED Walter, B Schwenzer, J Szanyi, and CHF Peden. 2016. "Iron loading effects in Fe/SSZ-13 NH3-SCR catalysts: nature of the Fe-ions and structure-function relationships ." ACS Catalysis 6(5):2939-2954.  doi:10.1021/acscatal.6b00647
  • Huang Q, ED Walter, L Cosimbescu, D Choi, and JP Lemmon. 2016. "In situ electrochemical-electron spin resonance investigations of multi-electron redox reaction for organic radical cathodes." Journal of Power Sources 306:812-816.  doi:10.1016/j.jpowsour.2015.11.080
  • Levitskaia TG, S Chatterjee, N Pence, J Romero, T Varga, MH Engelhard, Y Du, L Kovarik, BW Arey, ME Bowden, and ED Walter. 2016. "Inorganic Tin Aluminophosphate Nanocomposite for Reductive Separation of Pertechnetate." Environmental Science: Nano 3(2):1003-1013.  doi:10.1039/C6EN00130K
  • Li Y, Y Xie, Z Wang, N Zang, F Carniato, Y Huang, C Andolina, LR Parent, TB Ditri, ED Walter, M Botta, JD Rinehart, and NC Gianneschi. 2016. "Structure and Function of Iron-Loaded Synthetic Melanin." ACS Nano 10(11):10186-10194.  doi:10.1021/acsnano.6b05502
  • Reardon PN, SS Chacon, ED Walter, ME Bowden, NM Washton, and MW Kleber. 2016. "Abiotic protein fragmentation by manganese oxide: implications for a mechanism to supply soil biota with oligopeptides." Environmental Science & Technology 50(7):3486-3493.  doi:10.1021/acs.est.5b04622


  • Chatterjee S, GB Hall, TG Levitskaia, ED Walter, and NM Washton. 2015. Oxidative Stability of Tc(I) Tricarbonyl Species Relevant to the Hanford Tank WastePNNL-25076; EMSP-RPT-033 Rev 0, Pacific Northwest National Laboratory, Richland, WA. 
  • Chen J, D Wu, ED Walter, MH Engelhard, P Bhattacharya, H Pan, Y Shao, F Gao, J Xiao, and J Liu. 2015. "Molecular-Confinement of Polysulfide within Mesoscale Electrodes for the Practical Application of Lithium Sulfur Batteries." Nano Energy 13:267-274.  doi:10.1016/j.nanoen.2015.01.031
  • Gao F, ED Walter, NM Washton, J Szanyi, and CHF Peden. 2015. "Synthesis and Evaluation of Cu/SAPO-34 Catalysts for NH3-SCR 2: Solid-state Ion Exchange and One-pot Synthesis." Applied Catalysis. B, Environmental 162:501-514.  doi:10.1016/j.apcatb.2014.07.029
  • Hall GB, S Chatterjee, TG Levitskaia, TJ Martin, N Wall, and ED Walter. 2015. Synthesis and Characterization of Tc(I) Carbonyl Nitrosyl Species Relevant to the Hanford Tank Waste: FY 2016 Status ReportPNNL-24916; EMSP-RPT-030 Rev 0, Pacific Northwest National Laboratory, Richland, WA. 
  • Levitskaia TG, A Andersen, S Chatterjee, GB Hall, ED Walter, and NM Washton. 2015. Spectroscopic Properties of Tc(I) Tricarbonyl Species Relevant to the Hanford Tank WastePNNL-25000, Pacific Northwest National Laboratory, Richland, WA. 
  • Li WZ, F Gao, Y Li, ED Walter, J Liu, CHF Peden, and Y Wang. 2015. "Nanocrystalline Anatase Titania Supported Vanadia Catalysts: Facet-dependent Structure of Vanadia." Journal of Physical Chemistry C 119(27):15094-15102.  doi:10.1021/acs.jpcc.5b01486
  • Mccluskey MD, C Corolewski, J Lv, MC Tarun, ST Teklemichael, ED Walter, MG Norton, KW Harrison, and SY Ha. 2015. "Acceptors in ZnO." Journal of Applied Physics 117(11):Article No. 112802.  doi:10.1063/1.4913827
  • Vijayakumar M, Z Nie, ED Walter, JZ Hu, J Liu, VL Sprenkle, and W Wang. 2015. "Understanding Aqueous Electrolyte Stability through Combined Computational and Magnetic Resonance Spectroscopy: A Case Study on Vanadium Redox Flow Battery Electrolytes." ChemPlusChem 80(2):428-437.  doi:10.1002/cplu.201402139
  • Wang Q, J Zheng, ED Walter, H Pan, D Lu, P Zuo, H Chen, Z Deng, BY Liaw, X Yu, X Yang, J Zhang, J Liu, and J Xiao. 2015. "Direct Observation of Sulfur Radicals as Reaction Media in lithium Sulfur Batteries." Journal of the Electrochemical Society 162(3):A474-A478.  doi:10.1149/2.0851503jes
  • Wei X, W Xu, J Huang, L Zhang, ED Walter, CW Lawrence, M Vijayakumar, WA Henderson, TL Liu, L Cosimbescu, B Li, VL Sprenkle, and W Wang. 2015. "Radical Compatibility with Nonaqueous Electrolytes and Its Impact on an All-Organic Redox Flow Battery." Angewandte Chemie International Edition 127(30):8808-8811.  doi:10.1002/ange.201501443
  • Xiao J, JZ Hu, H Chen, M Vijayakumar, J Zheng, H Pan, ED Walter, MY Hu, X Deng, J Feng, BY Liaw, M Gu, Z Deng, D Lu, S Xu, CM Wang, and J Liu. 2015. "Following the Transient Reactions in Lithium-Sulfur Batteries Using In an In Situ Nuclear Magnetic Resonance Technique." Nano Letters 15(5):3309-3316.  doi:10.1021/acs.nanolett.5b00521
  • Xu S, ED Walter, Z Zhao, MY Hu, X Han, JZ Hu, and X Bao. 2015. "Dynamic Structural Changes of SiO2 Supported Pt-Ni Bimetallic Catalysts over Redox Treatments Revealed by NMR and EPR." Journal of Physical Chemistry C 119(36):21219-21226.  doi:10.1021/acs.jpcc.5b06344


  • Cao R, ED Walter, W Xu, EN Nasybulin, P Bhattacharya, ME Bowden, MH Engelhard, and J Zhang. 2014. "The Mechanisms of Oxygen Reduction and Evolution Reactions in Nonaqueous Lithium-Oxygen Batteries." ChemSusChem 7(9):2436-2440.  doi:10.1002/cssc.201402315
  • Gao F, ED Walter, M Kollar, Y Wang, J Szanyi, and CHF Peden. 2014. "Understanding ammonia selective catalytic reduction kinetics over Cu-SSZ-13 from motion of the Cu ions." Journal of Catalysis 319:1-14.  doi:10.1016/j.jcat.2014.08.010
  • Heiden ZM, S Chen, LAN Labios, RM Bullock, ED Walter, EL Tyson, and MT Mock. 2014. "Proton and Electron Additions to Iron (II) Dinitrogen Complexes Containing Pendant Amines." Organometallics 33(6):1333-1336.  doi:10.1021/om401089d
  • Levitskaia TG, BM Rapko, A Anderson, JM Peterson, S Chatterjee, ED Walter, HM Cho, and NM Washton. 2014. Speciation and Oxidative Stability of Alkaline Soluble, Non-Pertechnetate TechnetiumPNNL-23654; EMSP-RPT-024 Rev0, Pacific Northwest National Laboratory, Richland, WA. 
  • Vijayakumar M, N Govind, ED Walter, SD Burton, AK Shukla, A Devaraj, J Xiao, J Liu, CM Wang, AM Karim, and S Thevuthasan. 2014. "Molecular Structure and Stability of Dissolved Lithium Polysulfide Species." Physical Chemistry Chemical Physics. PCCP 16(22):10923-10932.  doi:10.1039/c4cp00889H
  • Wilkins MJ, DW Hoyt, MJ Marshall, PA Alderson, AE Plymale, LM Markillie, AE Tucker, ED Walter, BE Linggi, A Dohnalkova, and RC Taylor. 2014. "CO2 exposure at pressure impacts metabolism and stress responses in the model sulfate-reducing bacterium Desulfovibrio vulgaris strain Hildenborough." Frontiers in Microbiology 5:Article No. 507.  doi:10.3389/fmicb.2014.00507


  • van der Eide EF, ML Helm, ED Walter, and RM Bullock. 2013. "Structural and Spectroscopic Characterization of 17- and 18-Electron Piano-Stool Complexes of Chromium. Thermochemical Analyses of Weak Cr-H Bonds." Inorganic Chemistry 52(3):1591-1603.  doi:10.1021/ic302460y
  • Clark RA, DJ Robertson, ED Walter, SD Miller, and JM Schwantes. 2013. "Intrinsic Dosimetry of Glass Containers: A Potential Interrogation Tool for Nuclear Forensics and Waste Management." Journal of Radioanalytical and Nuclear Chemistry 296(2):663-668.  doi:10.1007/s10967-012-2051-0
  • Dudzik CG, ED Walter, BS Abrams, MS Jurica, and GL Millhauser. 2013. "Coordination of Copper to the Membrane-Bound Form of a-Synuclein." Biochemistry 52(1):53-60.  doi:10.1021/bi301475q
  • Gao F, ED Walter, EM Karp, JY Luo, RG Tonkyn, JH Kwak, J Szanyi, and CHF Peden. 2013. "Structure-Activity Relationships in NH3-SCR over Cu-SSZ-13 as Probed by Reaction Kinetics and EPR Studies." Journal of Catalysis 300(1):20-29.  doi:10.1016/j.jcat.2012.12.020
  • Gao F, ED Walter, NM Washton, J Szanyi, and CHF Peden. 2013. "Synthesis and Evaluation of Cu-SAPO-34 Catalysts for Ammonia Selective Catalytic Reduction. 1. Aqueous Solution Ion Exchange." ACS Catalysis 3(9):2083-2093.  doi:10.1021/cs4004672
  • Raitsimring A, AV Astashkin, JH Enemark, I Kaminker, D Goldfarb, ED Walter, Y Song, and TJ Meade. 2013. "Optimization of pulsed-DEER measurements for Gd-based labels: choice of operational frequencies, pulse durations and positions, and temperature." Applied Magnetic Resonance 44(6):649-670.  doi: 10.1007/s00723-012-0434-6


  • van der Eide EF, P Yang, ED Walter, TL Liu, and RM Bullock. 2012. "Dinuclear Metalloradicals Featuring Unsupported Metal-Metal Bonds." Angewandte Chemie International Edition 51(33):8361-8364.  doi:10.1002/anie.201203531
  • van der Eide EF, TL Liu, DM Camaioni, ED Walter, and RM Bullock. 2012. "Facile Thermal W-W Bond Homolysis in the N-Heterocyclic Carbene-Containing Tungsten Dimer [CpW(CO)2(IMe)]2." Organometallics 31(5):1775-1789.  doi:10.1021/om201162g
  • Ferreira DR, CP Schulthess, JE Amonette, and ED Walter. 2012. "An electron paramagnetic resonance spectroscopy investigation of the retention mechanisms of Mn and Cu in the nanopore channels of three zeolite minerals." Clays and Clay Minerals 60(6):588-598.  doi:10.1346/CCMN.2012.0600604
  • Sundaram SK, JS McCloy, BJ Riley, MK Murphy, HA Qiao, CF Windisch, Jr, ED Walter, JV Crum, R Golovchak, and O Shpotyuk. 2012. "Gamma Radiation Effects on Physical, Optical, and Structural Properties of Binary As-S glasses." Journal of the American Ceramic Society 95(3):1048-1055.  doi:10.1111/j.1551-2916.2011.04938.x


  • Roberts JA, JA Franz, EF van der Eide, ED Walter, JL Petersen, DL DuBois, and RM Bullock. 2011. "Comproportionation of Cationic and Anionic Tungsten Complexes Having an N-Heterocyclic Carbene Ligand to Give the Isolable 17-Electron Tungsten Radical, CpW(CO)2(IMes)· ." Journal of the American Chemical Society 133(37):14593-14603.  doi:10.1021/ja202754e
  • Teklemichael ST, WMH Oo, MC Matthew, ED Walter, and DW Hoyt. 2011. "Acceptors in ZnO nanocrystals." Applied Physics Letters 98(23):Article No. 232112.  doi:10.1063/1.3598411

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