Observation of Nano-Dewetting in Colloidal Crystal Drying

Muldarisnur, Mulda; Marlow, Frank

doi:10.1002/anie.201402423

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学術論文

Observation of Nano-Dewetting in Colloidal Crystal Drying

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Muldarisnur, Mulda
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Center for Nanointegration Duisburg-Essen (CENIDE), Universität Duisburg-Essen;

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Marlow, Frank
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Center for Nanointegration Duisburg-Essen (CENIDE), Universität Duisburg-Essen;

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引用

Muldarisnur, M., & Marlow, F. (2014). Observation of Nano-Dewetting in Colloidal Crystal Drying. Angewandte Chemie International Edition, 53(33), 8761-8764. doi:10.1002/anie.201402423.

引用: https://hdl.handle.net/11858/00-001M-0000-0019-DA5C-9

要旨

The drying of colloidal crystals is connected with a continuous shrinkage process. However, several minutes after starting the drying, the system seems to take a breath before it shrinks monotonously until its final state after about one day. This short period we call “v”-event because of the shape of the curve characterizing the lattice constant: a decrease followed by a counter-intuitive increase which ends after one hour. This event is found in time-dependent optical spectra. It is assigned to the start of a nano-dewetting process occurring at the colloidal particles.