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dc.contributor.authorMukhopadhyay, R D-
dc.contributor.authorVedhanarayanan, B-
dc.contributor.authorAjayaghosh, A-
dc.identifier.citationAngewandte Chemie - International Edition, 56(50):16018–16022en_US
dc.description.abstractFunctional differences between superhydrophobic surfaces, such as lotus leaf and rose petals, are due to the subtle architectural features created by nature. Mimicry of these surfaces with synthetic molecules continues to be fascinating as well as challenging. Herein, we demonstrate how inherently hydrophilic alumina surface can be modified to give two distinct superhydrophobic behaviors. Functionalization of alumina with an organic ligand resulted in a rose-petal-like surface (water pinning) with a contact angle of 1458 and a high contact angle hysteresis (:698). Subsequent interaction of the ligand with Zn2+ resulted in a lotus-leaf-like surface with water rolling behavior owing to high contact angle (1658) and lowcontact- angle-hysteresis (:28). In both cases, coating of an aromatic bis-aldehyde with alkoxy chain substituents was necessary to emulate the nanowaxy cuticular feature of natural superhydrophobic materials.en_US
dc.subjectcoordination polymersen_US
dc.subjectlotus effecten_US
dc.subjectsurface functionalizationen_US
dc.titleCreation of “Rose Petal” and “Lotus Leaf” Effects on Alumina by Surface Functionalization and Metal-Ion Coordinationen_US
Appears in Collections:2017

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