4.6 Article

Fabrication of copper-based ZnO nanopencil arrays with high-efficiency dropwise condensation heat transfer performance

Journal

RSC ADVANCES
Volume 6, Issue 64, Pages 59405-59409

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra09699a

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Funding

  1. National Natural Science Foundation of China [21473132]
  2. Natural Science Foundation of Shannxi Province, China [2014JM2047]
  3. Natural Science Research Project of Science and Technology Agency of Shaanxi Province, China [2013KJXX-41]

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Here, we report a type of copper-based zinc oxide nanopencil array film with high-efficiency dropwise condensation heat transfer (DCHT) performance, which can be obtained by wet-chemistry crystal growth and silane modification. Compared with a hydrophobic flat Cu surface, the nanostructure exhibits a condensate microdrop self-propelling function and maximal similar to 140% enhancement in DCHT coefficient.

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