Article

Journal of Nanoparticle Research

, Volume 6, Issue 2, pp 233-240

Preparation and characterization of PbS nanoparticles in AOT micellar medium

  • I. ChakrabortyAffiliated withDepartment of Chemistry, Centre for Surface Science, Jadavpur University
  • , S.P. MoulikAffiliated withDepartment of Chemistry, Centre for Surface Science, Jadavpur University Email author 

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Abstract

The preparation of PbS nanoparticle is important in material science. Due to its predominant ionic character and low optical band gap (0.41 eV), it shows quantum confinement effect up to a larger size domain compared to other well studied semiconductor materials, such as ZnS and CdS, having predominantly covalent character. In this report, we present a simpler method of preparation of nanosized PbS in micellar medium of the surfactant AOT and spectrophotometric, fluorimetric, light scattering and electron microscopic characterization of the dispersion.

PbS nanoparticles surfactant micellar media band gap quantum confinement colloids