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Journal of Nanomaterials
Volume 2016, Article ID 3502310, 8 pages
Research Article

Breath Figure-Assisted Fabrication of Nanostructured Coating on Silicon Surface and Evaluation of Its Antireflection Power

1CNR-Istituto per lo Studio delle Macromolecole (ISMAC), Via A. Corti 12, 20133 Milano, Italy
2Ricerca sul Sistema Energetico (RSE), Strada Torre della Razza, Località Le Mose, 29122 Piacenza, Italy

Received 29 December 2015; Revised 16 March 2016; Accepted 27 March 2016

Academic Editor: Shu Seki

Copyright © 2016 Francesco Galeotti et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We report our recent results on the fabrication of nanostructured polymer layers aimed at developing efficient antireflection coating on silicon. The proposed manufacturing approach is based on self-assembly and relies on breath figure formation. By simple and straightforward operations, we are able to produce different nanostructured coatings: densely packed nanodomes, randomly distributed nanopores, and multilayered close-packed nanopores. By optical reflectivity measurements on coated silicon wafers, we show that the latter type of nanostructure is able to reduce the reflectivity of standard silicon surface (≈40% at 450 nm) to about 10%.