Optical and Photoacoustic Properties of Colloidal Silver Nanoparticles Solutions

  •  F. Aldosari    
  •  A. M. Azzeer    
  •  A. M. Hassib    


The study has aimed to investigate optical and photoacoustic properties of some colloidal silver nanoparticles at different concentration over the time. The phase purity with crystal structure of silver nanoparticles were studied using X-ray diffraction (XRD) and was confirmed by Transmission Electron Microscopy (TEM). Optical property was changed during the variable concentration of nanoparticles and duration time of sample. The absorbance of silver colloidal solutions is increased, when concentration increases but decreased with respective to the longer period of sample. Absorption peaks and stability of particles in solutions is influenced by the duration time of solution and its concentration. The low concentration-based solutions fall in the absorbance over the times. The observed PA signal is subjected by the factor of parameters; such as, pump wavelengths, energy, repetition rate, concentrations, and temperature. Stability of fluorescence and absorption peaks are influenced by the concentration of particles and time period of colloidal solution. Effects on PA signal with fluorescent and absorption peaks upon the concentration was also significant.

This work is licensed under a Creative Commons Attribution 4.0 License.
  • ISSN(Print): 1927-0585
  • ISSN(Online): 1927-0593
  • Started: 2012
  • Frequency: semiannual

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