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http://dx.doi.org/10.13160/ricns.2010.3.3.138

Preparation of Polystyrene Thin Films Containing Bragg Structure and Investigation of Their Photonic Characteristics  

Cho, Sungdong (Department of Chemistry, Chosun University)
Publication Information
Journal of Integrative Natural Science / v.3, no.3, 2010 , pp. 138-142 More about this Journal
Abstract
Polystyrene thin films containing Bragg structures have been successfully obtained by the removal of DBR porous silicon films from the DBR structured porous silicon/polystyrene composite film in HF/$H_2O$ mixture solution and by replicating the nano-structures of porous silicon containing Bragg structure. Polystyrene thin films containing Bragg structures displayed unique optical reflection resonances in optical reflection spectrum. This optical reflection band was resulted from the interference of reflection wavelength at Bragg structure of polystyrene thin films. The wavelength of reflection resonances could be modified by the change of Bragg structure of the master. Polystyrene thin films containing Bragg structures were flexible and maintained their optical characteristics upon bending. The Polystyrene thin films replicate the photonic features and the nanostructure of the master.
Keywords
Bragg; Polystyrene; Reflections; Films;
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