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Issue 2, 2003
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ZrO2 bubbles from core–shell nanoparticles

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Selective removal of metal cores from core–shell Ag@ZrO2 (ZrO2 coated Ag) and Au@ZrO2 (ZrO2 coated Au) nanoparticles result in stable and freely suspendable oxide nanobubbles of varying dimensions, both in thickness and in diameter. The metal core is removed by a newly found reaction in which halocarbons, generally chlorides, oxidise the metal core and leach out the metal ions. Reduction in the surface plasmon excitation intensity and decrease in the voltammetric current during metal core removal were used to study the process.

Graphical abstract: ZrO2 bubbles from core–shell nanoparticles

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The article was received on 31 Oct 2002, accepted on 06 Dec 2002 and first published on 07 Jan 2003

Article type: Paper
DOI: 10.1039/B210734A
Citation: J. Mater. Chem., 2003,13, 297-300
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    ZrO2 bubbles from core–shell nanoparticles

    A. S. Nair, R. T. Tom, V. Suryanarayanan and T. Pradeep, J. Mater. Chem., 2003, 13, 297
    DOI: 10.1039/B210734A

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