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Updated: May 4, 2026

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV
Published on: December 29, 2016
Uptake of hazardous radionuclides within layered chalcogenide for environmental protection
Pranesh Sengupta1, N L Dudwadkar2, B Vishwanadh1
1Materials Science Division, Bhabha Atomic Research Centre, Mumbai 400 085, India.
Abstract:
Ensuring environmental protection in and around nuclear facilities is a matter of deep concern. Toward this, layered chalcogenide with CdI2 crystal structure has been prepared. Structural characterizations of layered chalcogenide suggest 'topotactic ionic substitution' as the dominant mechanism behind uptake of different cations within its lattice structure. An equilibration time of 45 min and volume to mass ratio of 30:1 are found to absorb (233)U, (239)Pu, (106)Ru, (85+89)Sr, (137)Cs and (241)Am radionuclides to the maximum extents.
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