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  • Chem Sci Trans., 2014, 3(4),  pp 1525-1529  

    DOI:10.7598/cst2014.912

    Research Article

    Variation of Elastic Parameters of CdS:Ho Nanofluid- An Ultrasonic Study

  • GEORGE VARUGHESE* and K.T. USHA
  • Department of Physics, Catholicate College, Pathanamthitta, Kerala-689645, India
    Department of Chemistry, St. Cyrils College, Adoor, Kerala, India
  • Abstract

    CdS is having many optoelectronic applications including solar cell, photodiode, light emitting diode, non linear optics, heterogeneous catalysis. Holmium doped CdS nanoparticles were prepared by chemical precipitation route. The particle size was determined from the x-ray line broadening. Samples were characterized by XRD, FTIR, SEM and EDS. The size of the particles has been increased from 13.4 nm to 16.7 nm as the calcination temperature was increased. Ultrasonic velocity through doped sample was measured. Also variation of compressibility of CdS: Ho nanofluid with various grain size have been carried out and found that compressibility increases with decrease of particle size. The elastic properties of the nanofluid has been studied extensively. Certain important physical parameters such as adiabatic compressibility, specific acoustic impedance, relative association, intermolecular free length, Rao’s constant, Wada’s constant of holmium doped Cadmium sulphide nanofluid were evaluated and variation of these acoustic parameters with temperature and particle size were reported.

    Keywords

    Semiconductor, Nanomaterials, Doping, Ultrasonic velocity

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