Biswas, Kanishka ; Rao, C.N.R. (2009) Nanocrystalline Janus films of inorganic materials prepared at the liquid–liquid interface Journal of Colloid and Interface Science, 333 (1). pp. 404-410. ISSN 00219797
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Official URL: http://doi.org/10.1016/j.jcis.2009.01.060
Related URL: http://dx.doi.org/10.1016/j.jcis.2009.01.060
Abstract
The interface between toluene and water has been employed to prepare ultrathin Janus nanocrystalline films of metal oxides, metal chalcogenides and gold, wherein the surface on the organic-side is hydrophobic and the aqueous-side is hydrophilic. We have changed the nature of the metal precursor or capping agent in the organic layer to increase the hydrophobicity. The strategy employed for this purpose is to increase the length of the alkane chain in the precursor or use a perfluroalkane derivative as precursor or as a capping agent. The hydrophobicity and hydrophilicity of the Janus films have been determined by contact angle measurements. The morphology of hydrophobic and hydrophilic sides of the film have been examined by field emission scanning electron microscopy.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Inc. |
Keywords: | Janus films, Hydrophobic, Hydrophilic, Organic–aqueous interface |
ID Code: | 128234 |
Deposited On: | 03 Nov 2022 05:52 |
Last Modified: | 03 Nov 2022 05:52 |
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