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    STUDIA PHYSICA - Issue no. 2 / 2012  
         
  Article:   SPECTROSCOPIC INVESTIGATION OF PVA MEMBRANES DOPED WITH BLACK CARBON NANOPARTICLES.

Authors:  C.V. POP, D. MARCONI, M. TODICA. 		 
       
         
  Abstract:   The effect of black carbon particles on the spectroscopic properties of polyvinyl alcohol (PVA) was investigated by Raman and XRD methods, before and after gamma irradiation. Raman spectra of doped membranes contain the characteristic vibration bands of the PVA and of the black carbon. The X ray difractogram contains the specific peak of PVA at 2θ = 19° and other peaks at 2θ = 24° characteristic to black carbon. The amplitude of those peaks increases with the concentration of carbon. Possible applications of these membranes are in building fuel cell electrodes.

Keywords: PVA; Black carbon; Gamma irradiation.
 
         
     
         
         
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