International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2557

Full Length Research Paper

A study of the surface plasmon absorption band for nanoparticles

A. R. Bijanzadeh1*, M. R. Vakili2 and R. Khordad3
  1Department of Physics, Islamic Azad University, Firoozabad Branch, Iran. 2Department of Chemistry, Islamic Azad University, Firoozabad Branch, Iran. 3Department of Physics, Yasouj University, Yasouj, 75914-353 Iran.
Email: [email protected]

  •  Accepted: 24 February 2012
  •  Published: 16 March 2012



In this work, we have performed the theoretical calculations of the absorbance of spherical silver nanoparticles dispersed in deionized water and in n-propanol, computed from a summation of the Mie series for different particle radius in the range from 1 to 17 nm. In both solvents, the maximum absorbance increases and the bandwidth at half-maximum absorption and number of particles decrease. Maximum absorbance of silver nanoparticles is higher in n-propanol than in deionized water. These results are due to high refractive index of n-propanol.


Key words: Silver nanoparticles, absorbance, particle radius.