Skip to Main Content U.S. Department of Energy
Fundamental and Computational Sciences Directorate

Staff information

Eric Walter

Physiochemical Transform
Pacific Northwest National Laboratory
PO Box 999
MSIN: K8-98
Richland, WA 99352

PNNL Publications


  • Feng R., Y. Chen, X. Zhang, B. Rousseau, P. Gao, P. Chen, and S.T. Mergelsberg, et al. 2023. "Proton-regulated alcohol oxidation for high-capacity ketone-based flow battery anolyte." Joule 7, no. 7:1609-1622. PNNL-SA-174628. doi:10.1016/j.joule.2023.06.013
  • Loughran R.P., T. Hurley, A. Gladysiak, A. Chidambaram, K. Khivantsev, E.D. Walter, and T.R. Graham, et al. 2023. "CO2 capture from wet flue gas using a water-stable and cost-effective metal-organic framework." Cell Reports Physical Science 4, no. 7:Art. No. 101470. PNNL-SA-171951. doi:10.1016/j.xcrp.2023.101470
  • Nienhuis-Marcial E.T., T.R. Graham, N.L. DAnnunzio, M.I. Kowalska, J.A. Laverne, T.M. Orlando, and J.G. Reynolds, et al. 2023. "Cations Impact Radical Reaction Dynamics in Concentrated Multicomponent Aqueous Solutions." The Journal of Chemical Physics 158, no. 22:Art. No. : 224503. PNNL-SA-183737. doi:10.1063/5.0153132
  • Ramanathan A., E.D. Walter, M. Mourigal, and H.S. La Pierre. 2023. "Increased Crystal Field Drives Intermediate Coupling and Minimizes Decoherence in Tetravalent Praseodymium Qubits." Journal of the American Chemical Society 145, no. 32:17603-17612. PNNL-SA-185598. doi:10.1021/jacs.3c02820
  • Wu Y., W. Zhao, S. Ahn, Y. Wang, E.D. Walter, Y. Chen, and M.A. Derewinski, et al. 2023. "Interplay between copper redox and transfer and support acidity and topology in low temperature NH3-SCR." Nature Communications 14. PNNL-SA-178314. doi:10.1038/s41467-023-38309-8
  • Wu Y., Y. Wang, E.D. Walter, K.G. Rappe, Y. Wang, and F. Gao. 2023. "Insights into palladium poisoning of Cu/SSZ-13 selective catalytic reduction catalysts." Applied Catalysis B: Environmental 331. PNNL-SA-177938. doi:10.1016/j.apcatb.2023.122673
  • Zhang H., Z. Wang, Y. Zhao, W. Cui, X. Zhang, S. Wang, and E.D. Walter, et al. 2023. "Metal ion (Cr3+, Eu3+, UO22+) adsorption on gibbsite nanoplates." Engineered Science 24. PNNL-SA-184575. doi:10.30919/es896


  • Han K., S.D. Burton, E.D. Walter, Y. Shin, W. Kuang, and K.L. Simmons. 2022. "Microsized Pore Structure Determination in EPDM Rubbers Using High-Pressure Xe-129 NMR Techniques." Journal of Physical Chemistry B 126, no. 16:3135-3142. PNNL-SA-167432. doi:10.1021/acs.jpcb.1c09189
  • Khivantsev K., X. Wei, L. Kovarik, N.R. Jaegers, E.D. Walter, P. Tran, and Y. Wang, et al. 2022. "Palladium/Ferrierite versus Palladium/SSZ-13 Passive NOx Adsorbers: Adsorbate-Controlled Location of Atomically Dispersed Palladium(II) in Ferrierite Determines High Activity and Stability." Angewandte Chemie International Edition 61, no. 3:e202107554. PNNL-SA-170151. doi:10.1002/anie.202107554
  • Sergentu D., F. Gendron, E.D. Walter, S. Park, C. Capan, R.G. Surbella, and C.Z. Soderquist, et al. 2022. "Equatorial Electronic Structure in the Uranyl Ion: Cs2UO2Cl4 and Cs2UO2Br4." Inorganic Chemistry 61, no. 9:3821-3831. PNNL-SA-166314. doi:10.1021/acs.inorgchem.1c02832


  • Feng R., X. Zhang, V. Murugesan, A.M. Hollas, Y. Chen, Y. Shao, and E.D. Walter, et al. 2021. "Reversible Ketone Hydrogenation and Dehydrogenation for Aqueous Organic Redox Flow Batteries." Science 372, no. 6544:836-840. PNNL-SA-154606. doi:10.1126/science.abd9795
  • Kothandaraman J., J. Saavedra Lopez, Y. Jiang, E.D. Walter, S.D. Burton, R.A. Dagle, and D.J. Heldebrant. 2021. "Integrated Capture and Conversion of CO2 to Methane using a Water-lean, Post Combustion CO2 Capture Solvent." ChemSusChem 14, no. 21:4812-4819. PNNL-SA-162553. doi:10.1002/cssc.202101590
  • Lai J., N.R. Jaegers, B. Mosevitzky Lis, M. Guo, M.E. Ford, E.D. Walter, and Y. Wang, et al. 2021. "Structure-Activity Relationships of Hydrothermally Aged Titania-Supported Vanadium-Tungsten Oxide Catalysts for SCR of NOx Emissions with NH3." ACS Catalysis 11, no. 19:12096-12111. PNNL-SA-158279. doi:10.1021/acscatal.1c02130
  • Ma Y., X. Wu, J. Ding, L. Liu, B. Jin, E.D. Walter, and R. Ran, et al. 2021. "Quasi-operando quantification of Cu(II) ions in Cu-SSZ-13 catalyst by an NH3 temperature-programmed reduction method." Chemical Communications 57, no. 15:1891-1894. PNNL-SA-157387. doi:10.1039/d0cc07346f
  • Walter E.D., C. Capan, A.J. Casella, J.C. Carter, B.K. McNamara, C.Z. Soderquist, and S.I. Sinkov, et al. 2021. "Measurement of Local Magnetic Fields in Actinide Tetrafluorides." Journal of Chemical Physics 154, no. 21:111092. PNNL-SA-161163. doi:10.1063/5.0052323
  • Wang A., Y. Chen, E.D. Walter, N.M. Washton, T. Varga, Y. Wang, and J. Szanyi, et al. 2021. "Remarkable self-degradation of Cu/SAPO-34 selective catalytic reduction catalysts during storage at ambient conditions." Catalysis Today 360. PNNL-SA-148098. doi:10.1016/j.cattod.2020.01.034


  • Bowers G.M., E.D. Walter, S.D. Burton, K.C. Schwarz, D.W. Hoyt, and R.J. Kirkpatrick. 2020. "Probing Pore Size and Connectivity in Porous Silicas Using 13C MAS NMR Spectroscopy of Supercritical Methane." Journal of Physical Chemistry C 124, no. 21:11536-11543. PNNL-SA-153506. doi:10.1021/acs.jpcc.0c02718
  • Chatterjee S., M.S. Fujimoto, Y. Du, G.B. Hall, N. Lahiri, E.D. Walter, and L. Kovarik. 2020. "Redox-Based Electrochemical Affinity Sensor for Detection of Aqueous Pertechnetate Anion." ACS Sensors 5, no. 3:674-685. PNNL-SA-143890. doi:10.1021/acssensors.9b01531
  • Chatterjee S., V.E. Holfeltz, G.B. Hall, I. Johnson, E.D. Walter, S. Lee, and B. Reinhart, et al. 2020. "Identification and Quantification of Technetium Species in Hanford Waste Tank AN-102." Analytical Chemistry 92, no. 20:13961-13970. PNNL-SA-142972. doi:10.1021/acs.analchem.0c02864
  • Cui Y., Y. Wang, E.D. Walter, J. Szanyi, Y. Wang, and F. Gao. 2020. "Influences of Na+ co-cation on the structure and performance of Cu/SSZ-13 selective catalytic reduction catalysts." Catalysis Today 339. PNNL-SA-138691. doi:10.1016/j.cattod.2019.02.037
  • Huang X., Q. Zhao, R.P. Young, X. Zhang, E.D. Walter, Y. Chen, and E. Nakouzi, et al. 2020. "Photo-production of Reactive Oxygen Species and Degradation of Dissolved Organic Matter by Hematite Nanoplates Functionalized by Adsorbed Oxalate." Environmental Science: Nano 7, no. 8:2278-2292. PNNL-SA-148918. doi:10.1039/D0EN00365D
  • Loring J.S., E.D. Walter, D.W. Hoyt, and C.J. Thompson. 2020. Multimodal Instrument Platform for High-Pressure MAS-NMR and IR Spectroscopic Interrogation. PNNL-30427. Richland, WA: Pacific Northwest National Laboratory. Multimodal Instrument Platform for High-Pressure MAS-NMR and IR Spectroscopic Interrogation
  • Peng B., K.G. Rappe, Y. Cui, F. Gao, J. Szanyi, M.J. Olszta, and E.D. Walter, et al. 2020. "Enhancement of high-temperature selectivity on Cu-SSZ-13 towards NH3-SCR reaction from highly dispersed ZrO2." Applied Catalysis B: Environmental 263. PNNL-SA-146190. doi:10.1016/j.apcatb.2019.118359
  • Sassi M., E.D. Walter, O. Qafoku, K.M. Rosso, and Z. Wang. 2020. "Radiation-induced interfacial hydroxyl transformation on boehmite and gibbsite basal surfaces." Journal of Physical Chemistry C 124, no. 40:22185-22191. PNNL-SA-153541. doi:10.1021/acs.jpcc.0c06844
  • Sassi M., Z. Wang, E.D. Walter, X. Zhang, H. Zhang, X.S. Li, and A. Tuladhar, et al. 2020. "Surface Hydration and Hydroxyl Configurations of Gibbsite and Boehmite Nanoplates." Journal of Physical Chemistry C 124, no. 9:5275-5285. PNNL-SA-149815. doi:10.1021/acs.jpcc.0c00659
  • Walter E.D., K.C. Schwarz, S. Anil Kumar, Y. Chen, M. Sassi, Z. Wang, and K.M. Rosso. 2020. "Evolution of Radicals from the Photolysis of High Ionic Strength Alkaline Nitrite Solutions." Journal of Physical Chemistry A 124, no. 16:3019-3025. PNNL-SA-150363. doi:10.1021/acs.jpca.9b11438
  • Wang H., Y. Shao, H. Pan, X. Feng, Y. Chen, Y. Liu, and E.D. Walter, et al. 2020. "A lithium-sulfur battery with a solution-mediated pathway operating under lean electrolyte conditions." Nano Energy 76, no. n/a:105041. PNNL-SA-143093. doi:10.1016/j.nanoen.2020.105041
  • Wang Z., E.D. Walter, M. Sassi, X. Zhang, H. Zhang, S. Li, and Y. Chen, et al. 2020. "The role of surface hydroxyls on the radiolysis of gibbsite and boehmite nanoplatelets." Journal of Hazardous Materials 398. PNNL-SA-150311. doi:10.1016/j.jhazmat.2020.122853
  • Zhang Y., Y. Peng, J. Li, K.J. Groden, J. Mcewen, E.D. Walter, and Y. Chen, et al. 2020. "Probing Active-Site Relocation in Cu/SSZ-13 SCR Catalysts during Hydrothermal Aging by in situ EPR Spectroscopy, Kinetic Studies, and DFT Calculations." ACS Catalysis 10, no. 16:9410-9419. PNNL-SA-152624. doi:10.1021/acscatal.0c01590
  • Zhang Y., Y. Wu, Y. Peng, J. Li, E.D. Walter, Y. Chen, and N.M. Washton, et al. 2020. "Quantitative Cu counting methodologies for Cu/SSZ-13 selective catalytic reduction catalysts by electron paramagnetic resonance spectroscopy." Journal of Physical Chemistry C 124, no. 51:28061-28073. PNNL-SA-156011. doi:10.1021/acs.jpcc.0c07971


  • Bowers G.M., H.T. Schaef, Q. Miller, E.D. Walter, S.D. Burton, D.W. Hoyt, and J.A. Horner, et al. 2019. "13C Nuclear Magnetic Resonance Spectroscopy of Methane and Carbon Dioxide in a Natural Shale." ACS Earth and Space Chemistry 3, no. 3:324-328. PNNL-SA-140683. doi:10.1021/acsearthspacechem.8b00214
  • Bowers G.M., J.S. Loring, E.D. Walter, S.D. Burton, M.E. Bowden, D.W. Hoyt, and B.W. Arey, et al. 2019. "Influence of Smectite Structure and Hydration on Supercritical Methane Binding and Dynamics in Smectite Pores." Journal of Physical Chemistry C 123, no. 48:29231-29244. PNNL-SA-146425. doi:10.1021/acs.jpcc.9b08875
  • Bowers G.M., J.S. Loring, H.T. Schaef, S.S. Cunniff, E.D. Walter, S.D. Burton, and R.K. Larsen, et al. 2019. "Chemical Trapping of CO2 by Clay Minerals at Reservoir Conditions: Two Mechanisms Observed by In Situ High Pressure and Temperature Experiments." ACS Earth and Space Chemistry 3, no. 6:1034-1046. PNNL-SA-140918. doi:10.1021/acsearthspacechem.9b00038
  • Chacon S.S., P.N. Reardon, C.J. Burgess, S.O. Purvine, R.K. Chu, T.R. Clauss, and E.D. Walter, et al. 2019. "Mineral Surfaces as Agents of Environmental Proteolysis: Mechanisms and Controls." Environmental Science & Technology 53, no. 6:3018-3026. PNNL-SA-141783. doi:10.1021/acs.est.8b05583
  • Chamas A., L. Qi, H.S. Mehta, J.A. Sears, S.L. Scott, E.D. Walter, and D.W. Hoyt. 2019. "High Temperature/Pressure MAS-NMR for the Study of Dynamic Processes in Mixed Phase Systems." Magnetic Resonance Imaging 56. PNNL-SA-138048. doi:10.1016/j.mri.2018.09.026
  • Cui W., X. Zhang, C.I. Pearce, Y. Chen, S. Zhang, W. Liu, and M.H. Engelhard, et al. 2019. "Cr(III) adsorption by cluster formation on boehmite nanoplates in highly alkaline solution." Environmental Science & Technology 53, no. 18:11043-11055. PNNL-SA-143650. doi:10.1021/acs.est.9b02693
  • Cui Y., Y. Wang, D. Mei, E.D. Walter, N.M. Washton, J.D. Holladay, and Y. Wang, et al. 2019. "Revisiting effects of alkali metal and alkaline earth co-cation additives to Cu/SSZ-13 selective catalytic reduction catalysts." Journal of Catalysis 378. PNNL-SA-141699. doi:10.1016/j.jcat.2019.08.028
  • Earla A., E.D. Walter, and R. Braslau. 2019. "Synthesis and Spin Trapping Properties of Polystyrene Supported Trifluoromethylated Cyclic Nitrones." Free Radical Research 53, no. 11-12:1084-1100. PNNL-SA-147124. doi:10.1080/10715762.2019.1683171
  • Huang X., Y. Chen, E.D. Walter, M. Zong, Y. Wang, X. Zhang, and O. Qafoku, et al. 2019. "Facet-Specific Photocatalytic Degradation of Organics by Heterogeneous Fenton Chemistry on Hematite Nanoparticles." Environmental Science & Technology 53, no. 17:10197-10207. PNNL-SA-146189. doi:10.1021/acs.est.9b02946
  • Jaegers N.R., J. Lai, Y. He, E.D. Walter, D.A. Dixon, M. Vasiliu, and Y. Chen, et al. 2019. "Mechanism by which Tungsten Oxide Promotes the Activity of Supported V2O5/TiO2 Catalysts for NOX Abatement: Structural Effects Revealed by 51V MAS NMR Spectroscopy." Angewandte Chemie International Edition 58, no. 36:12609-12616. PNNL-SA-141251. doi:10.1002/anie.201904503
  • Mehta H.S., Y. Chen, J.A. Sears, E.D. Walter, M. Campos, J. Kothandaraman, and D.J. Heldebrant, et al. 2019. "A Novel High-Temperature MAS Probe with Optimized Temperature Gradient across Sample Rotor for In-situ Monitoring of High-Temperature High-Pressure Chemical Reactions." Solid State Nuclear Magnetic Resonance 102. PNNL-SA-143153. doi:10.1016/j.ssnmr.2019.06.003
  • Miller Q., D.A. Dixon, S.D. Burton, E.D. Walter, D.W. Hoyt, A.S. Mcneill, and J. Moon, et al. 2019. "Surface-Catalyzed Oxygen Exchange during Mineral Carbonation in Nanoscale Water Films." Journal of Physical Chemistry C 123, no. 20:12871-12885. PNNL-SA-141756. doi:10.1021/acs.jpcc.9b02215
  • Prokopchuk D.E., G.M. Chambers, E.D. Walter, M.T. Mock, and R.M. Bullock. 2019. "H2 Binding, Splitting, and Net Hydrogen Atom Transfer at a Paramagnetic Iron Complex." Journal of the American Chemical Society 141, no. 5:1871-1876. PNNL-SA-139955. doi:10.1021/jacs.8b12823
  • Qi L., A. Chamas, Z.R. Jones, E.D. Walter, D.W. Hoyt, N.M. Washton, and S.L. Scott. 2019. "Unraveling the Dynamic Network in the Reactions of an Alkyl Aryl Ether Catalyzed by Ni/y-Al2O3 in 2-Propanol." Journal of the American Chemical Society 141, no. 43:17370-17381. PNNL-SA-148402. doi:10.1021/jacs.9b09071
  • Stavila V., M. Foster, J.W. Brown, R.W. Davis, J. Edgington, A.I. Benin, and R.A. Zarkesh, et al. 2019. "IRMOF-74(n)-Mg: a novel catalyst series for hydrogen activation and hydrogenolysis of C-O bonds." Chemical Science 10, no. 42:9880-9892. PNNL-SA-147308. doi:10.1039/C9SC01018A
  • Wang A., Y. Chen, E.D. Walter, N.M. Washton, D. Mei, T. Varga, and Y. Wang, et al. 2019. "Unraveling the mysterious failure of Cu/SAPO-34 selective catalytic reduction catalysts." Nature Communications 10, no. 1:Article No. 1137. PNNL-SA-138654. doi:10.1038/s41467-019-09021-3
  • Wang A., Y. Wang, E.D. Walter, N.M. Washton, Y. Guo, G. Lu, and C. Peden, et al. 2019. "NH3-SCR on Cu, Fe and Cu+Fe exchanged Beta and SSZ-13 catalysts: hydrothermal aging and propylene poisoning effects." Catalysis Today 320. PNNL-SA-128427. doi:10.1016/j.cattod.2017.09.061


  • Bowers G.M., J.S. Loring, H.T. Schaef, E.D. Walter, S.D. Burton, D.W. Hoyt, and S.S. Cunniff, et al. 2018. "Interaction of Hydrocarbons with Clays under Reservoir Conditions: In Situ Infrared and Nuclear Magnetic Resonance Spectroscopy and X-ray Diffraction for Expandable Clays with Variably Wet Supercritical Methane." ACS Earth and Space Chemistry 2, no. 7:640-652. PNNL-SA-136218. doi:10.1021/acsearthspacechem.8b00039
  • Kothandaraman J., R.A. Dagle, V. Dagle, S.D. Davidson, E.D. Walter, S.D. Burton, and D.W. Hoyt, et al. 2018. "Condensed-Phase Low Temperature Heterogeneous Hydrogenation of CO2 to Methanol." Catalysis Science & Technology 8, no. 19:5098-5103. PNNL-SA-133245. doi:10.1039/C8CY00997J
  • Reardon P.N., E.D. Walter, C.L. Marean-Reardon, C.W. Lawrence, M.W. Kleber, and N.M. Washton. 2018. "Carbohydrates Protect Protein Against Abiotic Fragmentation By Soil Minerals." Scientific Reports 8. PNNL-SA-132243. doi:10.1038/s41598-017-19119-7
  • Walter E.D., L. Qi, A. Chamas, H.S. Mehta, J.A. Sears, S.L. Scott, and D.W. Hoyt. 2018. "Operando MAS NMR Reaction Studies at High Temperatures and Pressures." Journal of Physical Chemistry C 122, no. 15:8209-8215. PNNL-SA-130852. doi:10.1021/acs.jpcc.7b11442
  • Wang A., Y. Wang, E.D. Walter, R.K. Kukkadapu, Y. Guo, G. Lu, and R.S. Weber, et al. 2018. "Catalytic N2O decomposition and reduction by NH3 over Fe/Beta and Fe/SSZ-13 catalysts." Journal of Catalysis 358. PNNL-SA-128426. doi:10.1016/j.jcat.2017.12.011
  • Weaver J.L., C.Z. Soderquist, N.M. Washton, P.L. Gassman, E.D. Walter, M.E. Bowden, and W.W. Lukens, et al. 2018. "Challenges and Solutions for Handling and Characterizing Alkali-Tc-Oxide Salts." MRS Advances 3, no. 21:1191-1200. PNNL-SA-130916. doi:10.1557/adv.2018.165


  • Bowers G.M., H.T. Schaef, J.S. Loring, D.W. Hoyt, S.D. Burton, E.D. Walter, and R.J. 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, no. 1:577-592. PNNL-SA-122523. doi:10.1021/acs.jpcc.6b11542
  • Chen Y., H.S. Mehta, M. Butler, E.D. Walter, P.N. Reardon, R.S. Renslow, and K.T. Mueller, et al. 2017. "High-Resolution Microstrip NMR Detectors for Subnanoliter Samples." Physical Chemistry Chemical Physics 19, no. 41:28163-28174. PNNL-SA-126953. doi:10.1039/c7cp03933f
  • Duan W., J. Huang, J.A. Kowalski, I.A. Shkrob, V. Murugesan, E.D. Walter, and B. Pan, et al. 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, no. 5:1156-1161. PNNL-SA-120607. doi:10.1021/acsenergylett.7b00261
  • Jaegers N.R., C. Wan, M.Y. Hu, M. Vasiliu, D.A. Dixon, E.D. Walter, and I. Wachs, et al. 2017. "Investigation of silica-supported vanadium oxide catalysts by high-field 51V Magic Angle Spinning NMR." Journal of Physical Chemistry C 121, no. 11:6246-6254. PNNL-SA-124184. doi:10.1021/acs.jpcc.7b01658
  • Kim K., T. Dutta, E.D. Walter, N.G. Isern, J.R. Cort, B.A. 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, no. 5:3913-3919. PNNL-SA-122183. doi:10.1021/acssuschemeng.6b03102
  • Liu B., W. Xu, J. Zheng, P. Yan, E.D. Walter, N.G. Isern, and M.E. Bowden, et al. 2017. "Temperature dependence of the oxygen reduction mechanism in nonaqueous Li-O2 batteries." ACS Energy Letters 2. PNNL-SA-126517. doi:10.1021/acsenergylett.7b00845
  • Prodinger S., M.A. Derewinski, Y. Wang, N.M. Washton, E.D. Walter, J. Szanyi, and F. Gao, et al. 2017. "Sub-micron Cu/SSZ-13: synthesis and application as selective catalytic reduction (SCR) catalysts." Applied Catalysis B: Environmental 201. PNNL-SA-117975. doi:10.1016/j.apcatb.2016.08.053
  • Prokopchuk D.E., E.S. Wiedner, E.D. Walter, C.V. Popescu, N.A. Piro, W.S. Kassel, and R.M. Bullock, et al. 2017. "Catalytic N2 Reduction to Silylamines and Thermodynamics of N2 Binding at Square Planar Fe." Journal of the American Chemical Society 139, no. 27:9291-9301. PNNL-SA-125864. doi:10.1021/jacs.7b04552
  • Qi L., R. Alamillo, W.A. Elliott, A. Andersen, D.W. Hoyt, E.D. Walter, and K. Han, et al. 2017. "Operando solid-state NMR observations of solvent-mediated adsorption-reaction of carbohydrates in zeolites." ACS Catalysis 7, no. 5:3489-3500. PNNL-SA-119548. doi:10.1021/acscatal.7b01045
  • Song J., Y. Wang, E.D. Walter, N.M. Washton, D. Mei, L. Kovarik, and M.H. Engelhard, et al. 2017. "Towards rational design of Cu/SSZ-13 selective catalytic reduction catalysts: Implications from atomic-level understanding of hydrothermal stability." ACS Catalysis 7, no. 12:8214-8227. PNNL-SA-128659. doi:10.1021/acscatal.7b03020
  • Weaver J.L., C.Z. Soderquist, P.L. Gassman, E.D. Walter, W.W. Lukens, and J.S. McCloy. 2017. "Synthesis and Characterization of 5- and 6- Coordinated Alkali Pertechnetates." MRS Advances 2, no. 10:525-542. PNNL-SA-123560. doi:10.1557/adv.2017.18


  • Gao F., Y. Zheng, R.K. Kukkadapu, Y. Wang, E.D. Walter, B. Schwenzer, and J. Szanyi, et al. 2016. "Iron loading effects in Fe/SSZ-13 NH3-SCR catalysts: nature of the Fe-ions and structure-function relationships." ACS Catalysis 6, no. 5:2939-2954. PNNL-SA-113591. doi:10.1021/acscatal.6b00647
  • Huang Q., E.D. Walter, L. Cosimbescu, D. Choi, and J.P. Lemmon. 2016. "In situ electrochemical-electron spin resonance investigations of multi-electron redox reaction for organic radical cathodes." Journal of Power Sources 306. PNNL-SA-107032. doi:10.1016/j.jpowsour.2015.11.080
  • Levitskaia T.G., S. Chatterjee, N. Pence, J. Romero, T. Varga, M.H. Engelhard, and Y. Du, et al. 2016. "Inorganic Tin Aluminophosphate Nanocomposite for Reductive Separation of Pertechnetate." Environmental Science: Nano 3, no. 2:1003-1013. PNNL-SA-116229. doi:10.1039/C6EN00130K
  • Li Y., Y. Xie, Z. Wang, N. Zang, F. Carniato, Y. Huang, and C. Andolina, et al. 2016. "Structure and Function of Iron-Loaded Synthetic Melanin." ACS Nano 10, no. 11:10186-10194. PNNL-SA-120425. doi:10.1021/acsnano.6b05502
  • Reardon P.N., S.S. Chacon, E.D. Walter, M.E. Bowden, N.M. Washton, and M.W. Kleber. 2016. "Abiotic protein fragmentation by manganese oxide: implications for a mechanism to supply soil biota with oligopeptides." Environmental Science & Technology 50, no. 7:3486-3493. PNNL-SA-108407. doi:10.1021/acs.est.5b04622


  • Chen J., D. Wu, E.D. Walter, M.H. Engelhard, P. Bhattacharya, H. Pan, and Y. Shao, et al. 2015. "Molecular-Confinement of Polysulfide within Mesoscale Electrodes for the Practical Application of Lithium Sulfur Batteries." Nano Energy 13. PNNL-SA-106980. doi:10.1016/j.nanoen.2015.01.031
  • Gao F., E.D. Walter, N.M. Washton, J. Szanyi, and C.H. 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. PNNL-SA-99073. doi:10.1016/j.apcatb.2014.07.029
  • Li W., F. Gao, Y. Li, E.D. Walter, J. Liu, C.H. Peden, and Y. Wang. 2015. "Nanocrystalline Anatase Titania Supported Vanadia Catalysts: Facet-dependent Structure of Vanadia." Journal of Physical Chemistry C 119, no. 27:15094-15102. PNNL-SA-111187. doi:10.1021/acs.jpcc.5b01486
  • Mccluskey M.D., C. Corolewski, J. Lv, M.C. Tarun, S.T. Teklemichael, E.D. Walter, and M.G. Norton, et al. 2015. "Acceptors in ZnO." Journal of Applied Physics 117, no. 11:Article No. 112802. PNNL-SA-104602. doi:10.1063/1.4913827
  • Vijayakumar M., Z. Nie, E.D. Walter, J.Z. Hu, J. Liu, V.L. 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, no. 2:428-437. PNNL-SA-102555. doi:10.1002/cplu.201402139
  • Wang Q., J. Zheng, E.D. Walter, H. Pan, D. Lu, P. Zuo, and H. Chen, et al. 2015. "Direct Observation of Sulfur Radicals as Reaction Media in lithium Sulfur Batteries." Journal of the Electrochemical Society 162, no. 3:A474-A478. PNNL-SA-104559. doi:10.1149/2.0851503jes
  • Wei X., W. Xu, J. Huang, L. Zhang, E.D. Walter, C.W. Lawrence, and M. Vijayakumar, et al. 2015. "Radical Compatibility with Nonaqueous Electrolytes and Its Impact on an All-Organic Redox Flow Battery." Angewandte Chemie International Edition 127, no. 30:8808-8811. PNNL-SA-107928. doi:10.1002/ange.201501443
  • Xiao J., J.Z. Hu, H. Chen, M. Vijayakumar, J. Zheng, H. Pan, and E.D. Walter, et al. 2015. "Following the Transient Reactions in Lithium-Sulfur Batteries Using In an In Situ Nuclear Magnetic Resonance Technique." Nano Letters 15, no. 5:3309-3316. PNNL-SA-101779. doi:10.1021/acs.nanolett.5b00521
  • Xu S., E.D. Walter, Z. Zhao, M.Y. Hu, X. Han, J.Z. 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, no. 36:21219-21226. PNNL-SA-112670. doi:10.1021/acs.jpcc.5b06344


  • Cao R., E.D. Walter, W. Xu, E.N. Nasybulin, P. Bhattacharya, M.E. Bowden, and M.H. Engelhard, et al. 2014. "The Mechanisms of Oxygen Reduction and Evolution Reactions in Nonaqueous Lithium-Oxygen Batteries." ChemSusChem 7, no. 9:2436-2440. PNNL-SA-101742. doi:10.1002/cssc.201402315
  • Gao F., E.D. Walter, M. Kollar, Y. Wang, J. Szanyi, and C.H. Peden. 2014. "Understanding ammonia selective catalytic reduction kinetics over Cu-SSZ-13 from motion of the Cu ions." Journal of Catalysis 319. PNNL-SA-101081. doi:10.1016/j.jcat.2014.08.010
  • Heiden Z.M., S. Chen, L. Labios, R.M. Bullock, E.D. Walter, E.L. Tyson, and M.T. Mock. 2014. "Proton and Electron Additions to Iron (II) Dinitrogen Complexes Containing Pendant Amines." Organometallics 33, no. 6:1333-1336. PNNL-SA-97307. doi:10.1021/om401089d
  • Vijayakumar M., N. Govind, E.D. Walter, S.D. Burton, A.K. Shukla, A. Devaraj, and J. Xiao, et al. 2014. "Molecular Structure and Stability of Dissolved Lithium Polysulfide Species." Physical Chemistry Chemical Physics 16, no. 22:10923-10932. PNNL-SA-99942. doi:10.1039/c4cp00889H
  • Wilkins M.J., D.W. Hoyt, M.J. Marshall, P.A. Alderson, A.E. Plymale, L.M. Markillie, and A.E. Tucker, et al. 2014. "CO2 exposure at pressure impacts metabolism and stress responses in the model sulfate-reducing bacterium Desulfovibrio vulgaris strain Hildenborough." Frontiers in Microbiology 5. PNNL-SA-103791. doi:10.3389/fmicb.2014.00507


  • Clark R.A., D.J. Robertson, E.D. Walter, S.D. Miller, and J.M. Schwantes. 2013. "Intrinsic Dosimetry of Glass Containers: A Potential Interrogation Tool for Nuclear Forensics and Waste Management." Journal of Radioanalytical and Nuclear Chemistry 296, no. 2:663-668. PNNL-SA-90730. doi:10.1007/s10967-012-2051-0
  • Dudzik C.G., E.D. Walter, B.S. Abrams, M.S. Jurica, and G.L. Millhauser. 2013. "Coordination of Copper to the Membrane-Bound Form of a-Synuclein." Biochemistry 52, no. 1:53-60. PNNL-SA-89725. doi:10.1021/bi301475q
  • Gao F., E.D. Walter, E.M. Karp, J. Luo, R.G. Tonkyn, J. Kwak, and J. Szanyi, et al. 2013. "Structure-Activity Relationships in NH3-SCR over Cu-SSZ-13 as Probed by Reaction Kinetics and EPR Studies." Journal of Catalysis 300, no. 1:20-29. PNNL-SA-91146. doi:10.1016/j.jcat.2012.12.020
  • Gao F., E.D. Walter, N.M. Washton, J. Szanyi, and C.H. Peden. 2013. "Synthesis and Evaluation of Cu-SAPO-34 Catalysts for Ammonia Selective Catalytic Reduction. 1. Aqueous Solution Ion Exchange." ACS Catalysis 3, no. 9:2083-2093. PNNL-SA-96586. doi:10.1021/cs4004672
  • van der Eide E.F., M.L. Helm, E.D. Walter, and R.M. 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, no. 3:1591-1603. PNNL-SA-91915. doi:10.1021/ic302460y


  • Ferreira D.R., C.P. Schulthess, J.E. Amonette, and E.D. 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, no. 6:588-598. PNNL-SA-87491. doi:10.1346/CCMN.2012.0600604
  • Sundaram S.K., J.S. McCloy, B.J. Riley, M.K. Murphy, H. Qiao, C.F. Windisch, and E.D. Walter, et al. 2012. "Gamma Radiation Effects on Physical, Optical, and Structural Properties of Binary As-S glasses." Journal of the American Ceramic Society 95, no. 3:1048-1055. PNNL-SA-78558. doi:10.1111/j.1551-2916.2011.04938.x
  • van der Eide E.F., P. Yang, E.D. Walter, T.L. Liu, and R.M. Bullock. 2012. "Dinuclear Metalloradicals Featuring Unsupported Metal-Metal Bonds." Angewandte Chemie International Edition 51, no. 33:8361-8364. PNNL-SA-87602. doi:10.1002/anie.201203531
  • van der Eide E.F., T.L. Liu, D.M. Camaioni, E.D. Walter, and R.M. Bullock. 2012. "Facile Thermal W-W Bond Homolysis in the N-Heterocyclic Carbene-Containing Tungsten Dimer [CpW(CO)2(IMe)]2." Organometallics 31, no. 5:1775-1789. PNNL-SA-84309. doi:10.1021/om201162g


  • Roberts J.A., J.A. Franz, E.F. van der Eide, E.D. Walter, J.L. Petersen, D.L. DuBois, and R.M. 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, no. 37:14593-14603. PNNL-SA-78754. doi:10.1021/ja202754e
  • Teklemichael S.T., W. Oo, M. Matthew, E.D. Walter, and D.W. Hoyt. 2011. "Acceptors in ZnO nanocrystals." Applied Physics Letters 98, no. 23:Article No. 232112. PNNL-SA-79839. doi:10.1063/1.3598411

Science at PNNL

Core Research Areas

User Facilities

Centers & Institutes

Research Highlights

View All Research Highlights & Staff Accomplishments

RSS Feed