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Interfacial Dynamics in Radioactive Environments and Materials (IDREAM)

Molecular Speciation

molecular speciation image

Understanding solvent dynamics, chemical reactivity, solute organization, and pre-nucleation species in highly alkaline systems of concentrated electrolytes.

  • What are the structural and dynamic properties of the solution and the water-solvated tetrahedral and octahedral anions?
  • What controls the transitions between these structures and other geometries?
  • How do other electrolytes perturb coordination geometries to influence the aggregation of ions in the fluid phase, leading to polymerization, pre-nucleation species, and precipitation?

IDREAM Research Center

Research Goals

EFRC at PNNL

Vision

Master molecular–to–mesoscale chemical and physical phenomena at interfaces in complex environments characterized by extremes in alkalinity and low-water activity, and driven far from equilibrium by ionizing radiation.

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