Solid-state method for incorporation of lead sulfide nanoplates in poly(3,4-ethylenedioxythiophene) matrix as NIR materials

  • Hamid DehghaniEmail author
  • Ahmadreza Afraz


We investigate the direct incorporation of lead sulfide nanoplates (PbS-NP) in poly(3,4-ethylenedioxythiophene) (PEDOT) matrix without any additives. The PbS-NP was synthesized by using an ultrasonic assistance simple method and composite of them with PEDOT was carried out by a simple solid-state polymerization method. The TEM images, X-ray diffraction patterns and absorption spectra confirm the incorporation of PbS-NP in PEDOT matrix. The XRD pattern showed that the prepared PbS-NPs are crystalline in cubic rock salt structure with 8 nm average grain size. The UV/Vis/NIR spectrum of PEDOT/PbS-NP nanocomposite shows a characteristic peak at NIR region and a large blue shift rather than bulk lead sulfide. This shift confirms synergetic effect between PEDOT matrix and PbS-NPs and presence of quantum confinement effect for prepared PbS-NP. In addition, this characteristic peak is very much dependent on the PbS-NP concentration and can be used for design tunable NIR materials.


Rock Salt Structure PEDOT Film Pure PEDOT PEDOT Matrix PEDOT Conducting Polymer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors greatly acknowledge Malek-Ashtar University of Technology for the financial support from the Grant Research Council.


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Malek-Ashtar University of TechnologyTehranIran

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