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Topic: Effect of Surfactant on sol preparation Posted: 12 July 2008 at 6:18am
Hi All, Im trying to increase the film porosity by adding PEG to the sol while preparation. In this method, i first add the surfactant to ethanol & then add TTIP & acid to the same & then spin coat the sol. annealing of the same was done. When i checked for the response, it reduced wrt without surfactant. I expected the porosity to increase & hence the response. Does the method of preparing the sol with surfactant need to be modified?
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