Spontaneous Formation of Micrometer-Size Inorganic Peapods
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Publication date
2007
Authors
Roy, S.
Rijneveld-Ockers, M.T.
Groenewold, J.
Kuipers, Bonny
Meeldijk, Johannes D.
Kegel, Willem
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Abstract
We show that polyoxometalate (ammonium phosphomolybdate) Keggin in aqueous dispersions upon sonication spontaneously transforms into micrometer-sized, peapod-shaped structures. The formation of these peapods is preceded by the generation of spherical aggregates. The particles have been characterized experimentally by time-resolved dynamic light scattering (DLS), transmission electron microscopy (TEM), and scanning TEM with a high-angle annular dark field detector (STEM-HAADF) for energy-dispersive X-ray (STEM/EDX) elemental analyses. A pathway for the phenomenon is proposed.
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Roy, S, Rijneveld-Ockers, M T, Groenewold, J, Kuipers, B W M, Meeldijk, J D & Kegel, W K 2007, 'Spontaneous Formation of Micrometer-Size Inorganic Peapods', Langmuir, vol. 23, pp. 5292-5295.