Journal of Materials Science

, Volume 46, Issue 21, pp 6975–6980 | Cite as

Preparation, characterization, and fluorescence properties of well-dispersed core–shell CdS/carbon nanoparticles

  • Kejie Zhang
  • Xiaoheng LiuEmail author
  • Yuxi Sun
  • Fei Wang


The core–shell CdS-carbon (CdS/C) nanoparticles were synthesized for the first time via a facile pyrolysis approach of bis(β-mercaptoethanol)-cadmium(II) as a single-source precursor. After using acid treatment method, well-dispersed and homogeneous core–shell CdS/C nanoparticles were obtained. The morphology, structure, and properties of CdS/C nanoparticles were investigated by X-ray diffraction (XRD), Raman spectra, transmission electron microscopy, X-ray photoelectron spectroscopy (XPS), and fluorescence spectroscopy. Most of the prepared nanoparticles presented core–shell structures with core diameter of ~10 nm and shell thickness of ~4 nm. The CdS core belonged to hexagonal crystal system. The carbon shell was employed as a good dispersion medium to form well-dispersed small sized CdS particles. XRD and XPS results revealed that there is an interaction between CdS core and carbon shell. Fluorescence measurement showed that the monodispersed CdS-carbon nanoparticles exhibit remarkable fluorescence enhancement effect compared with that of the pristine CdS nanoparticles, which indicates the prepared nanoparticles are a promising photoresponsive material.


Sintered Sample Carbon Shell Conventional Pyrolysis Metallorganic Chemical Vapor Deposition Fluorescence Enhancement Effect 



This project is supported financially by the Natural Science Foundation of China (Grant No. 20974045) and the Natural Science Foundation of Jiangsu Province (No. BK2009385).


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Key Laboratory for Soft Chemistry and Functional MaterialsNanjing University of Science and Technology, Ministry of EducationNanjingChina

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