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THE ALGORITHM FOR PROCESSING MEASUREMENT DATA OF ATTENUATION OF OPTICAL RADIATION BY NANOPARTICLES

heading: 
APPLIED RADIOPHYSICS
Kokod, ii, NG, Timaniuk, VО, E. Levitin, Y, Kaydash, MV
Organization: 

1National University of Pharmacy
2V. N. Karazin Kharkov National University

1National University of Pharmacy
53 Pushkinska str., Kharkiv 61002, Ukraine
E-mail: MarPog2000@yahoo.com

2V. N. Karazin Kharkov National University
4 Svobody Sq., Kharkiv, 61022, Ukraine
https://doi.org/10.15407/rej2016.03.083
Language: Russian
Abstract: 

Nowadays, methods for determining the optical properties of nanoparticles are being actively developed and improved. The most popular are optical methods, in particular those that investigate the dependence of the spectral intensity of radiation passed through the medium with the particles, because they are less sensitive to a particle shape. In the scientific literature there are many works studying separately the scattering and absorption of light. There are few applied scientific works studying attenuation of light. In this paper the algorithm for processing the measurement data of the light attenuation by suspension of nanoparticles is proposed. The algorithm consists of three phases and provides information about the size and the complex refractive index of the particles. In this study, firstly, the average particle size was measured by method of power function, secondly, the optical properties of the particles were measured by method of spectral transparency and thirdly, the function of the particle size distribution was determined. The algorithm has been successfully tested during the measurement of the size and optical properties of Ag–Fe3O4 nanoparticles in water.
Keywords: absorption efficiency factor, light attenuation, light intensity, nanoparticles size, optical properties, refractive index, transmittance spectrum

Manuscript submitted 05.06.2016
PACS     78.20.Ci
Radiofiz. elektron. 2016, 21(3): 83-87

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References: 
  1. Clarke, A., Eberhardt, C., 2007. Microscopy Techniques for Materials Science. Translate from English by S. L. Bazhenov. Мoscow: Tekhnosfera Publ. (in Russian).
  2. Lacey, A. J. ed., 1992. Light microscopy in biology: A practical approach. Translate from English by I. A. Vorob'ev. Мoscow: Mir Publ. (in Russian).
  3. Rovinskiy, L. A., 2003. Sedimentation of suspensions. Мoscow: Stutnik Publ. (in Russian).
  4. Belyaev, S. P., Nikiforova, N. K., Smirnov, V. V., Shchelchkov, G. I., 1981. Optic-electron research methods for aerosols. Мoscow: Energoizdat Publ. (in Russian).
  5. Xu, R., 2001. Particle characterization: light scattering methods. N. Y.-Boston-Dordrecht-L.-Moscow, Kluwer Acad. Publ.
  6. Mulholland, G. W., Donnelly, M. K., Hagwood, C. R., Kukuck, S. R. and Hackley, V. A., 2006. Measurement of 100 nm and 60 nm particle standards by differential mobility analysis. J. Res. Nat. Inst. Stand. Technol., 111(4), pp. 257–312.
  7. Klenin, V. I., Shchegolev, S. Yu., Lavrushin, V. I., 1977. Characteristic functions of light scattering of disperse particles. Saratov: Saratov State University Publ. (in Russian).
  8. Hulst van de, H. C., 1961. Light scattering by small particles. Translate from English and ed. by T. V. Vodop'yanova. Мoscow: Inostrannaya literatura Publ. (in Russian).
  9. Kerker, M., 1969. The scattering of light and other electromagnetic radiation. N. Y.-L.: Acad. Press.
  10. Deirmendjian, D., 1971. Electromagnetic scattering on spherical polydispersions. Translate from English and ed. by K. Ya. Kondrat'ev. Мoscow: Mir Publ. (in Russian).
  11. Ordal, M. A., Long, L. L., Bell, R. J., Bell, S. E., Bell, R. R., Alexander, R. W. and Ward, C. A., 1983. Optical properties of metals Al, Co, Cu, Au, Fe, Pb, Ni, Pa, Pt, Ag, Ti, and W in the infrared and far infrared. Appl. Opt., 22(7), pp. 1099–1120.
  12. Johnson, P. B., Christy, R. W., 1972. Optical constants of the noble metals. Phys. Rev. B, 6(12), pp. 4370–4379.
  13. Verlan', A. F., Sizikov, V. S., 1978. Integral equations: methods, algorithms, programs. Kiev: Naukova dumka Publ. (in Russian).