水溶性CTAB分子复合膜的形成
Formation of complex films with water-soluble CTAB molecules
摘要：
本文报道了水溶性三甲基溴化铵（CTAB）分子与硬脂酸（SA）分子相互作用时，在空气-水界面上形成的复合朗缪尔单分子层。CTAB-SA复合物形成的反应动力学通过观察表面压力-时间图来监测。在石英衬底上成功地制备了掺杂刚果红的多层LB膜。紫外-可见吸收光谱和稳态荧光光谱表明，这种掺杂LB膜成功地将刚果红分子掺入到CTAB-SA复合膜中。
英文摘要：
This communication reports the formation of complex Langmuir monolayer at the air-water interface with the water-soluble -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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