Abstract
CdS hollow/solid nanospheres and their chain-structures were successfully synthesized through supporting liquid membrane (SLM) system with bio-membrane. X-ray powder diffraction (XRD), transmission electron microscopy (TEM), UV–Vis spectroscopy, and photoluminescence (PL) spectroscopy have been used for the characterization of the products. The average diameters of CdS solid/hollow spheres are about 10, 40 nm, respectively. The wall of the hollow spheres is about 5 nm. CdS products are all cubic face-centered structure with the cell constant a = 5.830 Å. We also explore the morphology, structure and possible synthesis mechanism. A possible template mechanism has been proposed for the production of the hollow CdS nanocrystals, that is, CdS nanoparticles grow along the non-soakage interface between CHCl3 and reactant solution. During this process, the organic functional groups were crucial to the control of crystal morphologies.
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Acknowledgements
This work is supported by the National Natural Science Foundation of China (Nos: 20471042 and 20571051), the Doctoral Program Foundation of the Ministry of Education of China (No. 20040247045), 973 project of China (No. 2006CB932300) and the Nano-Foundation of Shanghai in China (Nos: 0652nm007 and 0552nm048).
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Duan, S., Wu, Q., Jia, R. et al. Synthesis of CdS hollow/solid nanospheres and their chain-structures by membrane technique. J Nanopart Res 10, 525–529 (2008). https://doi.org/10.1007/s11051-007-9271-1
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DOI: https://doi.org/10.1007/s11051-007-9271-1