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Controlling nucleation and growth of water using hybrid hydrophobic-hydrophilic surfaces

Author(s)
Varanasi, Kripa K.; Deng, Tao
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Heterogeneous nucleation of water plays an important role in wide range of natural and industrial processes. Though heterogeneous nucleation of water is ubiquitous and everyday experience, spatial control of this important phenomenon is extremely difficult. Here we show, for the first time, that spatial control in the heterogeneous nucleation of water can be achieved by manipulating the local nucleation energy barrier and nucleation rate via the modification of the local intrinsic wettability of a surface by patterning hybrid hydrophobic-hydrophilic regions on a surface. Such ability to control water nucleation could address the condensation-related limitations of superhydrophobic surfaces, and has implications for efficiency enhancements in energy and desalination systems.
Date issued
2010-06
URI
http://hdl.handle.net/1721.1/72436
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Journal
Proceedings of the 12th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), 2010
Publisher
Institute of Electrical and Electronics Engineers
Citation
Varanasi, Kripa K., and Tao Deng. “Controlling Nucleation and Growth of Water Using Hybrid Hydrophobic-hydrophilic Surfaces.” in Proceedings of the 12th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), IEEE, 2010. 1–5. Web.
Version: Final published version
Other identifiers
INSPEC Accession Number: 11404000
ISBN
978-1-4244-5343-6
978-1-4244-5342-9
ISSN
1087-9870

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