Formation of complex films with water-soluble CTAB molecules |
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Authors: | Biswas S Hussain S A Deb S Nath R K Bhattacharjee D |
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Institution: | Department of Physics, Tripura University, Suryamaninagar 799130, Tripura, India. |
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Abstract: | This communication reports the formation of complex Langmuir monolayer at the air-water interface with the water-soluble N-cetyl N,N,N-trimethyl ammonium bromide (CTAB) molecules when interacted with the stearic acid (SA) molecules. The reaction kinetics of the formation of the CTAB-SA complex was monitored by observing the surface pressure versus time graph. Multilayered LB films of this complex doped with Congo red was successfully formed onto a quartz substrate. UV-Vis absorption and steady-state fluorescence spectroscopic characteristics of this doped LB films confirms the successful incorporation of Congo red molecules in to the CTAB-SA complex films. |
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