Journal
NANOSCALE
Volume 5, Issue 12, Pages 5420-5425Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00523b
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Funding
- National Natural Science Foundation of China [21102031, 21273006]
- PhD Programs Foundation of the Ministry of Education of China [20101301120004]
- Department of Education of Hebei Province [2009106]
- Hebei University [2007-103]
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A novel selenadiazole-fused pyrene derivative PySe was successfully synthesized and characterized. Its single structure is almost planar and adopts a sandwich-herringbone packing model. The self-assembly behaviors based on compound PySe and its analogue thiadiazole-fused pyrene derivative PyS were studied in detail and the as-formed nanostructures were fully characterized by means of UV-vis absorption, emission spectra, X-ray diffraction, field emission SEM and TEM. We attribute the bathochromic shift absorption and emission spectra of PyS and PySe in aqueous solution to the formation of J-type aggregation. In addition, our investigation demonstrated that the shape and size of the as-prepared nanostructures could be tuned by different chalcogen analogues and the volume ratio of water to organic solvent.
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