Measurement of mass stopping power of chitosan polymer loaded with TiO2 for relativistic electron interaction. (April 2018)

• Record Type: Journal Article
• Authors: Babu, S. Ramesh; Badiger, N.M.; Karidurgannavar, M.Y.; Varghese, Jolly.G.
• Is Part Of: Radiation physics and chemistry. Volume 145(2018:Apr.)
• Page Start: 1
• Page End: 4
• Publication Date: 2018-04
• Subjects: Internal conversion electron -- Mass stopping power -- Chitosan loaded with TiO2; Radiation chemistry -- Periodicals; Radiometry -- Periodicals; Radiation -- Periodicals; Chimie sous rayonnement -- Périodiques; 539.2
• DOI: 10.1016/j.radphyschem.2017.12.004
• Languages: English
• ISSNs: 0969-806X

Abstract

Abstract: The Mass Stopping Power (MSP) of relativistic electrons in chitosan loaded with TiO2 of different proportions has been measured by recording the spectrum of internal conversion electrons. The internal conversion electrons of energies 614 keV from Cs 137, 942 keV and 1016 keV from Bi 207 source are allowed to pass through chitosan-TiO2 alloy and transmitted electrons are detected with a Si (Li) detector coupled to an 8 K multichannel analyzer. By knowing the energies of incident electrons and transmitted electrons, the energy loss and the MSP are determined. Thus measured MSP values of the alloys are compared with the values calculated using Braggs additivity rule. The disagreement between theory and experiment is found to increases with increasing TiO2 concentration in chitosan, indicating the influence of chemical environment in the properties of such polymeric membrane. Highlights: MSP of Chitosan-TiO2 Alloys are measured accurately using simple lab setup. Morphology of Chitosan is affected by the presence of TiO2 in it. The morphological change caused by TiO2 increases with the proportion of TiO2 incorporated in the Chitosan membrane.