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Enhanced Thermal Oxidation Stability of Reduced Graphene Oxide by Nitrogen Doping

Enhanced Thermal Oxidation Stability of Reduced Graphene Oxide by Nitrogen Doping

Stefania Sandoval, Nitesh Kumar, Dr.  A. Sundaresan, Prof. C. N. R. Rao*, Prof. Amparo Fuertes and Dr. Gerard Tobias*. Chemistry - A European Journal, Volume 20, Issue 38, pages 11999–12003, September 15, 2014

Patterned optical anisotropy in woven conjugated polymer systems

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16-11-2012 14-15-21

C. Müller, M. Garriga, and M. Campoy-Quiles;
Appl. Phys. Lett. 101, 171907 (2012)
Weaving of highly oriented conjugated polymer/polyethylene tapes is demonstrated to permit the generation of concealed patterns that can be detected under appropriate polarized light illumination. This is achieved by exploiting the fact that the amount of transmitted light varies with the superposition sequence of semi-transparent objects that feature a high degree of linear birefringence as well as linear dichroism. An analysis based on Müller calculus provides a theoretical description of the observed optical behavior.
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