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Nucleation Dynamics of Water Nanodroplets

Published online by Cambridge University Press:  26 March 2014

Dipanjan Bhattacharya ,
Michel Bosman ,
Venkata R.S.S. Mokkapati ,
Fong Yew Leong  and
Utkur Mirsaidov
Dipanjan Bhattacharya
Affiliation:
Center for BioImaging Sciences, Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore Singapore-MIT Alliance for Research and Technology, 3 Science Drive 2, Singapore 117543, Singapore
Michel Bosman
Affiliation:
Institute of Materials Research and Engineering, A*Star (Agency for Science and Technology), 3 Research Link, Singapore 117602, Singapore
Venkata R.S.S. Mokkapati
Affiliation:
Nanotechnology Research and Application Center, Sabanci University, Orhanlı, Tuzla, İstanbul 34956, Turkey
Fong Yew Leong
Affiliation:
Institute of High Performance Computing, A*Star, 1 Fusionopolis Way, Singapore 138632, Singapore
Utkur Mirsaidov*
Affiliation:
Center for BioImaging Sciences, Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore Graphene Research Center and Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117551, Singapore Nanocore, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
*
*Corresponding author.[email protected]
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Abstract

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)~(t−t0)β, where β~0.2−0.3.

Keywords

nucleationin situ TEMnanodropletinterfacial water
Type
In Situ Special Section
Information
Microscopy and Microanalysis , Volume 20 , Issue 2 , April 2014 , pp. 407 - 415
Copyright
© Microscopy Society of America 2014 

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