THE EFFECT OF THE TEMPERATURE-TİME MODE OF CRYSTALLİZATİON ON THE PHOTOLUMİNİSSENCE PROPERTİES OF PP+ PbS/CdS NANOCOMPOSİTES

Authors

  • A.A. NOVRUZOVA Baku State University, AZ1148, Zahid Khalilov str 23, Azerbaijan Republic
  • M.A. JAFAROV Baku State University, AZ1148, Zahid Khalilov str 23, Azerbaijan Republic
  • F.V.HAJIYEVA Baku State University, AZ1148, Zahid Khalilov str 23, Azerbaijan Republic
  • F.H. PASHAEV Baku State University, AZ1148, Zahid Khalilov str 23, Azerbaijan Republic

Keywords:

polymer nanocomposite, photoluminescence, PbS, CdS

Abstract

In the present work, the influence of the temperature-time mode of crystallization (TTC) on the photoluminescent properties of PP/PbS/CdS nanocomposite materials was investigated. Cooling in liquid nitrogen (a cooling rate of 20,000 °C/min), cooling in water (a cooling rate of 200 °C/min), and slow cooling under the press for 24 hours (a cooling rate of 20 °C/min) were the three TTC modes used. The photoluminescent spectra of the nanocomposites prepared in different TTC modes were studied by spectrofluorometer Varian Cary Eclipse at a wavelength range of 200–900 nm. It was found that the photoluminescence intensity of nitrogen-cooled nanocomposite samples was higher than the intensity of samples obtained with the other two modes.

Published

2022-10-15

Issue

No. 1 (2022): Modern Scientific Technology

Section

Physical and mathematical science