Abstract
In this article, we report a facile, direct synthesis route to prepare CdSe/P3HT nanocomposites with CdO used as cadmium source, Se powder as selenium source, liquid paraffin and oleic acid as solvents, P3HT as a conjugated polymer template. The effect of the reaction temperature as well as the Cd:Se molar ratio on the morphology and photovoltaic property of CdSe/P3HT nanocomposites was studied. The results show that the shape and the degree of aggregation of CdSe nanocrystals are not only temperature-dependent, but also heavily influenced by the Cd:Se ratio, changing from dot-shaped to tetrapod-shaped, and from homo-dispersed to seriously aggregative. The UV–vis absorption spectra of CdSe-P3HT show a broader range and higher intensity of absorption than that of pure P3HT. The improved PL quenching in PL spectra of CdSe-P3HT indicates charge transfer between CdSe nanocrystals and P3HT.
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This work was financially supported by the Innovative Project of Young Teachers of Hefei University of Technology (2011HGQC1006). The authors would like to thank the Analysis and Test Center of Hefei University of Technology for testing facilities.
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Duan, X., Ma, H., Xu, W. et al. A facile approach to the synthesis of CdSe/P3HT nanocomposites. J Polym Res 20, 315 (2013). https://doi.org/10.1007/s10965-013-0315-1
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DOI: https://doi.org/10.1007/s10965-013-0315-1