Papers

2025

• Feng Y., H. Shi, L. Liu, X. Zhang, and D. Liu. 2025. "Functional Materials for Rare Earth Element Recovery from Secondary Sources: A Mini Review of Adsorption-Based Strategies." Submitted. PNNL-SA-210734. doi: 10.26434/chemrxiv-2025-3rlf4
• Zhao X., D. Song, S.T. Mergelsberg, M.P. Prange, D. Boglaienko, Z. Zhu, and Z. Wang, et al. 2025. "Molecular Insights of Yb(III) Sulfate Hydrothermal Fluids via Synchrotron X-ray Absorption Spectroscopy and ab initio Molecular Dynamics." Under revision. PNNL-SA-208491. doi:10.48550/arXiv.2503.14816
• Simonnin P.G., J. Chun, and B.J. Palmer. 2025. "A spline-based method to obtain spatially dependent viscosity in confined flows." Submitted. PNNL-SA-207142. doi:10.26434/chemrxiv-2025-qzmx9
• Mao Z., Z. Xu, Y. Huang, G. Ricchiuti, B.J. Palmer, P. Simonnin, and V. Murugesan, et al. 2025. "Harnessing Electric Fields for Rare Earth Element Recovery: A Computational Study of Electromigration and Flow Dynamics Using Dilute Feedstock." Submitted. PNNL-SA-209217. doi:10.26434/chemrxiv-2025-n1742
• Dinpajooh M., G. Ricchiuti, A.J. Ritchhart, T.E. Li, E. Nakouzi, S.T. Mergelsberg, and V. Prabhakaran, et al. 2025. "Magnetic Interactions between Nanoscale Domains in Liquids." J. Chem. Phys. 163, 014502. PNNL-SA-207741. doi:10.1063/5.0260005
• Tse P., A.F. Espley, J.M. Rakos, Q. Wang, C. Venkata Subban, S.A. Bryan, and A.M. Lines. 2025. "Developing Fluorescence-Based Sensors to Support Rare Earth Element Separation." ACS Sensors. PNNL-SA-209215. doi:10.1021/acssensors.5c00833
• Wang Q., Y. Fu, E.A. Miller, D. Song, P.J. Brahana, Z. Xu, and G.E. Johnson, et al. 2025. "Selective Recovery of Critical Minerals from Simulated Electronic Wastes via Reaction-Diffusion Coupling." ChemSusChem, e202402372. PNNL-SA-203388. doi:10.1002/cssc.202402372
• Butreddy P., S.T. Mergelsberg, J.N. Jocz, D. Li, V. Prabhakaran, A.J. Ritchhart, and C. Venkata Subban, et al. 2025. "Selective dissolution and re-precipitation by pH cycling enables recovery of manganese from surface nodules." RSC Sustainability. PNNL-SA-202293. doi:10.1039/D4SU00444B

2024

• Butreddy P., A.J. Ritchhart, Q. Wang, H.M. Job, J. Chun, and N. Elias. 2024. "Flow-gel approach enables rapid extraction of pure magnesium phase from seawater." Chem. Comm., 60, 13718-13721. PNNL-SA-203387.  doi:10.1039/D4CC04711G
• Edgecomb J, DT Nguyen, S Tan, V Murugesan, GE Johnson, and V Prabhakaran. 2024. “Electrochemical Imaging of Precisely-Defined Redox and Reactive Interfaces.” Angewandte Chemie International Edition, e202405846. PNNL-SA-196582. doi:10.1002/anie.202405846
• Lim H-S, CV Subban, DT Nguyen, TS Nasoetion, T Liu, KS Han, BM Sivakumar, T Lemmon, S Kim, Z Yu, A Devaraj, MJ Wiley, W Wang, and V Murugesan. 2024. “Room Temperature Electrorefining of Rare Earth Metals from End-of-Use Nd–Fe–B Magnets.” ACS Sustainable Resources Management 1, 269-277. PNNL-SA-182089. doi:10.1021/acssusresmgt.3c00062
• Wang Q and C Subban. 2024. “Flow-driven enhancement of neodymium and dysprosium separation from aqueous solutions,” RSC Sustainability, 2, 1400-1407. PNNL-SA-191251. doi:10.1039/D3SU00403A 

Presentations

2024

• Simonnin P., B. Palmer, C.J. Mundy, G.K. Schenter, V. Prabhakaran, and J. Chun. 11/25/2024. "Structure and Collective Transport Dynamics of Ln3+ Ions Under an External Field: Insights from Non-Equilibrium Molecular Simulations." Salt Lake City, Utah. PNNL-SA-201500.
• Valdez P.J. 10/28/2024. "Improving outcomes with industry input: how engagement with stakeholders informs science and engineering." AIChE 2024 Annual Meeting, San Diego, California. PNNL-SA-204361.
• Nakouzi E. 10/22/2024. "Reaction-transport coupling enables critical material separations and autonomous nanomaterials synthesis." Seattle, Washington. PNNL-SA-204954.
• Wang Q., E. Nakouzi, and C. Venkata Subban. 09/25/2024. "Selective and Sequential Precipitation for Critical Mineral Extraction from Secondary Sources." Presented by Q. Wang at GSA Connects 2024, Anaheim, California, California. PNNL-SA-204007.
• Prabhakaran V. 04/25/2024. "Mapping Heterogeneous Interfaces Using Single-Entity Electrochemical Microspectroscopy." Presented by V. Prabhakaran at InsideScientific Webinar, online, United States. PNNL-SA-197622. 
• Wang Q, E Nakouzi, and C Venkata Subban. 04/25/2024. "Selective and Sequential Precipitation for Critical Mineral Extraction from Electronic Waste." Presented by Q. Wang at 2024 MRS Spring Meeting, Seattle, Washington. PNNL-SA-197624.
• Johnson G.E. 04/17/2024. "Tailoring Functionalized Interfaces for Advanced Energy Applications." Presented by G. E. Johnson at Purdue University, West Lafayette, Indiana. PNNL-SA-196567.
• Johnson G.E. 01/22/2024. "Ion Separations in Liquids via Functionalized Laminate Membranes and Redox Electrodes." Presented by G.E. Johnson at 2024 Chemical Separations Conference GRC, Galveston, Texas. PNNL-SA-193724.
• Wang Q, E Nakouzi, and C Venkata Subban. 01/21/2024. "Concentration-Gradient-Driven Selective and Sequential Precipitation for Critical Mineral Extraction." Presented by Q. Wang at Chemical Separations GRS/GRC. Galveston, Texas. PNNL-SA-194120.

2023

• Prabhakaran V. 11/14/2023. "Understanding Potential-Driven Ion Dynamics at Electrified Interfaces." Presented by V. Prabhakaran at Innovation Pioneers Summit: Presented by Anton Paar at Washington Clean Energy Testbeds, Seattle, Washington. PNNL-SA-192739.