Nucleation dynamics of water nanodroplets
Bhattacharya, Dipanjan and Bosman, Michel and Mokkapati, Raghu Sarma and Leong, Fong Yew and Mirsaidov, Utkur (2014) Nucleation dynamics of water nanodroplets. Microscopy and Microanalysis, 20 (2). pp. 407-415. ISSN 1431-9276 (Print) 1435-8115 (Online)
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Official URL: http://dx.doi.org/10.1017/S1431927614000476
The origin of the condensation of water begins at the nanoscale, a length-scale that is challenging to probe for liquids. In this work we directly image heterogeneous nucleation of water nanodroplets by in situ transmission electron microscopy. Using gold nanoparticles bound to a flat surface as heterogeneous nucleation sites, we observe nucleation and growth of water nanodroplets. The growth of nanodroplet radii follows the power law: R(t)similar to(t-t(0)), where similar to 0.2-0.3.
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