Title |
Optical properties of hybrid T3Pyr/SiO2/3C-SiC nanowires
|
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Published in |
Discover Nano, December 2012
|
DOI | 10.1186/1556-276x-7-680 |
Pubmed ID | |
Authors |
Filippo Fabbri, Francesca Rossi, Manuela Melucci, Ilse Manet, Giovanni Attolini, Laura Favaretto, Massimo Zambianchi, Giancarlo Salviati |
Abstract |
A new class of nanostructured hybrid materials is developed by direct grafting of a model thiophene-based organic dye on the surface of 3C-SiC/SiO2 core/shell nanowires. TEM-EDX analysis reveals that the carbon distribution is more spread than it would be, considering only the SiC core size, suggesting a main contribution from C of the oligothiophene framework. Further, the sulfur signal found along the treated wires is not detected in the as-grown samples. In addition, the fluorescent spectra are similar for the functionalized nanostructures and T3Pyr in solution, confirming homogeneous molecule grafting on the nanowire surface. Chemical and luminescence characterizations confirm a homogeneous functionalization of the nanowires. In particular, the fluorophore retains its optical properties after functionalization. |
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