skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Benchmarking Uranyl Peroxide Capsule Chemistry in Organic Media

Journal Article · · European Journal of Inorganic Chemistry

Uranyl peroxide capsules are a recent addition to polyoxometalate (POM) chemistry. Ten years of development has ensued only in water, while transition metal POMs are commonly exploited in aqueous and organic media, controlled by counterions or ligation to render the clusters hydrophilic or hydrophobic. Here, new uranyl POM behavior is recognized in organic media, including (1) stabilization and immobilization of encapsulated hydrophilic countercations, identified by Li nuclear magnetic resonance (NMR) spectroscopy, (2) formation of new cluster species upon phase transfer, (3) extraction of uranyl clusters from different starting materials including simulated spent nuclear fuel, (4) selective phase transfer of one cluster type from a mixture, and (5) phase transfer of clusters from both acidic and alkaline media. The capsule morphology of the uranyl POMs renders accurate characterization by X‐ray scattering, including the distinction of geometrically similar clusters. Compositional analysis of the aqueous phase post‐extraction provided a quantitative determination of the ion exchange process that enables transfer of the clusters into the organic phase. Preferential partitioning of uranyl POMs into organic media presents new frontiers in metal ion behavior and chemical reactions in the confined space of the cluster capsules in hydrophobic media, as well as the reactivity of clusters at the organic/aqueous interface.

Sponsoring Organization:
USDOE
OSTI ID:
1401247
Journal Information:
European Journal of Inorganic Chemistry, Journal Name: European Journal of Inorganic Chemistry Vol. 2017 Journal Issue: 1; ISSN 1434-1948
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English
Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

References (48)

Sustained epoxidation of olefins by oxygen donors catalyzed by transition metal-substituted polyoxometalates, oxidatively resistant inorganic analogs of metalloporphyrins journal February 1986
Elucidating Self-Assembly Mechanisms of Uranyl–Peroxide Capsules from Monomers journal September 2014
X-ray Studies of Interfacial Strontium–Extractant Complexes in a Model Solvent Extraction System journal October 2014
Hybrid Uranium-Oxalate Fullerene Topology Cage Clusters journal August 2010
Solution and Solid-State Structural Chemistry of Actinide Hydrates and Their Hydrolysis and Condensation Products journal October 2012
Observation of a Rare Earth Ion–Extractant Complex Arrested at the Oil–Water Interface During Solvent Extraction journal August 2014
B-α-[AsW 9 O 33 ] 9− polyoxometalates incorporating hexanuclear uranium {U 6 O 8 }-like clusters bearing the U IV form or unprecedented mixed valence U IV /U VI involving direct U VI O–U IV bonding journal January 2015
Solid-State Dynamics of Uranyl Polyoxometalates journal May 2014
Closing Uranyl Polyoxometalate Capsules with Bismuth and Lead Polyoxocations journal September 2016
Micelle-mediated separation and cloud-point extraction journal May 2005
Onionlike Hybrid Assemblies Based on Surfactant-Encapsulated Polyoxometalates journal February 2007
Structural study of trivalent lanthanide and actinide complexes formed upon solvent extraction journal January 2006
Polyoxometalate-based functional nanostructured films: Current progress and future prospects journal August 2010
A Highly Transparent and Luminescent Hybrid Based on the Copolymerization of Surfactant-Encapsulated Polyoxometalate and Methyl Methacrylate journal November 2005
The Key Role of U 28 in the Aqueous Self-Assembly of Uranyl Peroxide Nanocages journal August 2016
Toward Nanodevices:  Synthesis and Characterization of the Nanoporous Surfactant-Encapsulated Keplerate (DODA) 40 (NH 4 ) 2 [(H 2 O) n ⊂Mo 132 O 372 (CH 3 COO) 30 (H 2 O) 72 ] journal March 2000
Anisotropic ionic liquids built from nonmesogenic cation surfactants and Keggin-type polyoxoanions journal January 2011
Neodymium uranyl peroxide synthesis by ion exchange on ammonium uranyl peroxide nanoclusters journal January 2016
Processing used nuclear fuel with nanoscale control of uranium and ultrafiltration journal May 2016
Binary Superlattices from {Mo 132 } Polyoxometalates and Maghemite Nanocrystals: Long-Range Ordering and Fine-Tuning of Dipole Interactions journal November 2015
Actinyl Peroxide Nanospheres journal March 2005
Water Radiolysis: Influence of Oxide Surfaces on H2 Production under Ionizing Radiation journal February 2011
Role of Ammonium Ions in the Formation of Ammonium Uranyl Peroxides and Uranyl Peroxo-oxalates journal November 2015
Purex process report January 1977
Rapid Self-Assembly of Uranyl Polyhedra into Crown Clusters journal June 2011
Evolution of Actinyl Peroxide Clusters U 28 in Dilute Electrolyte Solution: Exploring the Transition from Simple Ions to Macroionic Assemblies journal January 2014
Molecular Probe Location in Reverse Micelles Determined by NMR Dipolar Interactions journal April 2006
The U28 Nanosphere: What's Inside? journal March 2011
Chemical equilibria in the UO22+–H2O2–F−/OH− systems and possible solution precursors for the formation of [Na6(OH2)8]@[UO2(O2)F]2418− and [Na6(OH2)8]@[UO2(O2)OH]2418− clusters journal January 2013
Closing Uranyl Polyoxometalate Capsules with Bismuth and Lead Polyoxocations journal September 2016
Alkali–metal ion coordination in uranyl( vi ) poly-peroxo complexes in solution, inorganic analogues to crown-ethers. Part 2. Complex formation in the tetramethyl ammonium-, Li + -, Na + - and K + -uranyl( vi )–peroxide–carbonate systems journal January 2015
Mixed-Valent Uranium(IV,VI) Diphosphonate: Synthesis, Structure, and Spectroscopy journal March 2012
Hybrid Uranium-Oxalate Fullerene Topology Cage Clusters journal August 2010
Clusters of Actinides with Oxide, Peroxide, or Hydroxide Bridges journal October 2012
The Anderson–Evans polyoxometalate: From inorganic building blocks via hybrid organic–inorganic structures to tomorrows “Bio-POM” journal January 2016
On the Origin of the Cation Templated Self-Assembly of Uranyl-Peroxide Nanoclusters journal December 2010
Irena : tool suite for modeling and analysis of small-angle scattering journal February 2009
Onionlike Hybrid Assemblies Based on Surfactant-Encapsulated Polyoxometalates journal February 2007
Single Crystal Growth and Structural Characterization of a Novel Mixed-Valent Ternary Uranium Oxide, K8U7O24 journal October 2014
Highly oxidation resistant inorganic-porphyrin analog polyoxometalate oxidation catalysts. 1. The synthesis and characterization of aqueous-soluble potassium salts of .alpha.2-P2W17O61(Mn+.cntdot.OH2)(n-10) and organic solvent soluble tetra-n-butylammonium salts of .alpha.2-P2W17O61(Mn+.cntdot.Br)(n-11) (M = Mn3+,Fe3+,Co2+,Ni2+,Cu2+) journal September 1991
Self-Assembly of Organic−Inorganic Hybrid Amphiphilic Surfactants with Large Polyoxometalates as Polar Head Groups journal November 2008
Recovery of Uranium from Wet Phosphoric Acid by Solvent Extraction Processes journal November 2014
Probing protein fine structures by wide angle solution X-ray scattering journal June 2000
The First Structural and Spectroscopic Characterization of a Neptunyl Polyoxometalate Complex journal November 2002
Dynamics of Uranyl Peroxide Nanocapsules journal November 2012
Reverse micelles as microreactors journal July 1993
Actinyl Peroxide Nanospheres journal March 2005
Interaction of sulfur dioxide with heteropolyanions in nonpolar solvents. Evidence for complex formation journal January 1987

Similar Records

Dynamics of Uranyl Peroxide Nanocapsules
Journal Article · Fri Nov 30 00:00:00 EST 2012 · Journal of the American Chemical Society · OSTI ID:1401247

The Role of the Organic Solvent Polarity in Isolating Uranyl Peroxide Capsule Fragments
Journal Article · Tue Jan 21 00:00:00 EST 2020 · Inorganic Chemistry · OSTI ID:1401247

The Key Role of U 28 in the Aqueous Self‐Assembly of Uranyl Peroxide Nanocages
Journal Article · Fri Aug 19 00:00:00 EDT 2016 · Chemistry - A European Journal · OSTI ID:1401247

Related Subjects