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Issue 1, 2012
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Non-photochemical laser-induced nucleation of supercooled glacial acetic acid

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Abstract

Non-photochemical laser-induced nucleation (NPLIN) of glacial acetic acid (GAA) is demonstrated. The fraction of samples nucleated depends linearly on peak laser power density at low powers (<100 MW cm−2) with a threshold of (9.0 ± 4.2) MW cm−2; at higher laser powers the fraction reaches a plateau of 0.75 ± 0.24 (2σ uncertainties). A simple model based on polarizability of pre-nucleating clusters gives a value of the solid–liquid interfacial tension γSL = 15.5 mJ m−2. It is hoped that the results will stimulate new developments in experimental and theoretical studies of cluster structure and nucleation in liquids.

Graphical abstract: Non-photochemical laser-induced nucleation of supercooled glacial acetic acid

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Publication details

The article was received on 31 Aug 2011, accepted on 01 Nov 2011 and first published on 17 Nov 2011


Article type: Communication
DOI: 10.1039/C1CP22774B
Citation: Phys. Chem. Chem. Phys., 2012,14, 90-93

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    Non-photochemical laser-induced nucleation of supercooled glacial acetic acid

    M. R. Ward, S. McHugh and A. J. Alexander, Phys. Chem. Chem. Phys., 2012, 14, 90
    DOI: 10.1039/C1CP22774B

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