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Polyelectrolytes

 
 
 
         
    (PAH/PSS) polyelectrolytes layers observed in water  PEI layer observed in water  PEI layer measured in water (1.3 nm)  (PAH/PSS) polyelectrolytes layers observed in salt solution    
 
   
   
     
 

(PAH/PSS) polyelectrolytes layers measured in salt solution

 
Collaboration: M.Lefort, F.Boulmedais, P.Schaaf, ICS, Strasbourg, France

 
   
 

  Characterization in immersion


Quality control of the layers

 Observation in real-time

 No labelling
   
 
 
(PAH/PSS) polyelectrolytes layers measured in salt solution
 
 
       
 

  Immersion surf


Sarfus Mapping Station (for Imaging and Mapping in water)
     
   
     
 
(PAH/PSS) polyelectrolytes multilayers obtained by successive spraying on an Immersion Surf.
Layers are observed in real-time in salt solution.
The image represents the border between the layers (PAH/PSS)4 and (PAH/PSS)7.
Layers measure 21.4 nm and 31.6 nm respectively.

 
     
       
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