Isolation and Characterization of Light Actinide Metallofullerenes

Akiyama, Kazuhiko; Zhao, Yuliang; Sueki, Keisuke; Tsukada, K.; Haba, Hiromitsu; Nagame, Y.; Kodama, Tohru; Suzuki, S.; Ohtsuki, T.; Sakaguchi, Masahiko; Kikuchi, Kôichi; Katada, Motomi; Nakahara, Hiromichi

doi:10.1021/ja005618n

Cited by 65 publications

(92 citation statements)

References 16 publications

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“…Thus, stable closed-shell derivatives of C 28 can be obtained by trapping a tetravalent atom inside the cage to make endohedral fullerenes such as U@C 28 , with an efficiency of production being much greater than for other endohedral metallofullerenes. Akiyama et al [4] studied the production of metallofullerenes for U, Np and Am. Two kinds of uranium metallofullerenes, U@C 82 and U 2 @C 80 with uranium oxidation state of +3, were prepared by the conventional arc-discharge method, and then purified and identified by HPLC (High Performance Liquid Chromatography).…”

Section: Actinides Encapsulated In Fullerenes and Neutron Radiation-imentioning

confidence: 99%

“…In 2003, the first thoriumorganic framework was structurally characterized [19] 3.5 , based upon nano-scale uranyl selenate tubules. This material possesses tubules parallel to the axis that consists of corner-sharing {UO 7 8− } pentagonal bipyramids and {SeO 4 2− } tetrahedra [22]. However, in the strict sense, this material is just a uranium-inorganic framework material based on an organic template.…”

Section: Actinide Nanoclusters and Metal-organic Framework (Mofs)mentioning

confidence: 99%

“…By a similar approach, Zhang et al synthesized several other macroporous silica-based supramolecular recognition polymeric composites, which were modified by 1,3-[(2,4-diethyl-heptylethoxy)oxy]-2,4-crown-6-calix [4]arene (calix [4]arene-R14), (calix [4]+Oct)/SiO 2 -P [49]. The noctanol was used to modify calix [4]arene-R14 through hydrogen bonding.…”

Section: Nanoporous Materials For the Separation Of High Level Liquidmentioning

confidence: 99%

“…The noctanol was used to modify calix [4]arene-R14 through hydrogen bonding. Based on the results from experiments with simulated HLLW, calix [4]tOct)/SiO 2 -P showed excellent adsorption ability and high selectivity for Cs(I) at 4.0 M HNO 3 over the tested elements. The partitioning of Cs(I) from a simulated HLLW was operated by a (calix [4]tOct)/SiO 2 -P packed column.…”

Section: Nanoporous Materials For the Separation Of High Level Liquidmentioning

confidence: 99%

“…Based on the results from experiments with simulated HLLW, calix [4]tOct)/SiO 2 -P showed excellent adsorption ability and high selectivity for Cs(I) at 4.0 M HNO 3 over the tested elements. The partitioning of Cs(I) from a simulated HLLW was operated by a (calix [4]tOct)/SiO 2 -P packed column. Cs(I) was effectively eluted by water and separated from other investigated metals.…”

Section: Nanoporous Materials For the Separation Of High Level Liquidmentioning

confidence: 99%

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Nanomaterials and nanotechnologies in nuclear energy chemistry

Shi

et al. 2012

Radiochimica Acta

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Summary.With the rapid growth of human demands for nuclear energy and in response to the challenges of nuclear energy development, the world's major nuclear countries have started research and development work on advanced nuclear energy systems in which new materials and new technologies are considered to play important roles. Nanomaterials and nanotechnologies, which have gained extensive attention in recent years, have shown a wide range of application potentials in future nuclear energy system. In this review, the basic research progress in nanomaterials and nanotechnologies for advanced nuclear fuel fabrication, spent nuclear fuel reprocessing, nuclear waste disposal and nuclear environmental remediation is selectively highlighted, with the emphasis on Chinese research achievements. In addition, the challenges and opportunities of nanomaterials and nanotechnologies in future advanced nuclear energy system are also discussed.

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Section: Actinides Encapsulated In Fullerenes and Neutron Radiation-imentioning

confidence: 99%

Section: Actinide Nanoclusters and Metal-organic Framework (Mofs)mentioning

confidence: 99%

Section: Nanoporous Materials For the Separation Of High Level Liquidmentioning

confidence: 99%

Section: Nanoporous Materials For the Separation Of High Level Liquidmentioning

confidence: 99%

Section: Nanoporous Materials For the Separation Of High Level Liquidmentioning

confidence: 99%

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Nanomaterials and nanotechnologies in nuclear energy chemistry

Shi

et al. 2012

Radiochimica Acta

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Actinides: Organometallic Chemistry

Burns¹,

Clark²,

Sattelberger³

2005

Encyclopedia of Inorganic Chemistry

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An actinide organometallic complex is one containing an actinide‐carbon π‐bond, an actinide‐carbon σ‐bond, or a combination of both. Actinide organometallic complexes are known for the actinide (An) elements from thorium through californium; the vast majority of the reports on organoactinide compounds, however, deal with thorium and uranium. The latter elements have isotopes, for example, thorium‐232 ( t 1/2 = 1.41 × 10 10 years) and uranium‐238 ( t 1/2 = 4.468 × 10 9 years), with extremely long half‐lives. Modern organoactinide chemistry is characterized by the existence not only of actinide analogs to many classes of d transition metal complexes, but increasingly common reports of compounds and types of reactions unique to the actinide series.

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