Characterization of stable hydrophobic carbon coating and its application in removing organic pollutants
2013
Seo, Hyun Ook | Jung, Myung-Geun | Kim, Kwang-Dae | Kim, Young Dok | Chan Lim, Dong | Lee, Kyu Hwan
Polydimethylsiloxane (PDMS) thin films were deposited on Ni particles with a mean size of ∼1 μm using chemical vapor deposition method. The thin films consisting of these PDMS-covered Ni particles showed a water contact angle higher than 160°, corresponding to the superhydrophobicity. These superhydrophobic films were found to be resistant toward acidic and basic media. The PDMS-covered Ni particles showed high affinity toward non-polar organic solvent such as toluene. Together with an external magnetic field, the PDMS-covered Ni can be used for separating water and toluene from a water/toluene heterogeneous mixture.
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