Photocatalytic printing of inorganic nanopatterns via poly(styrene-block-carbosilane) copolymer thin films on titania substrates

Literature Information

Publication Date 2009-01-06
DOI 10.1039/B816398G
Impact Factor 6.222
Authors

Juan Peng, Alejandra Garcia Marcos, Seong-Jun Jeong, Holger Frey, Dong Ha Kim


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Abstract

Well-defined, ordered arrays of nanoscale depressions were obtained in linear-brush-type polystyrene-block-polycarbosilane (PS-b-PCS) diblock copolymer thin films by acetone vapor annealing and silica nanodot arrays were directly obtained from such thin films deposited on a titania substrate by one-step exposure to UV light as a result of transformation of the PCS units to silica, driven by the photocatalytic activity of titania concurrent with removal of the organic matrix.

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