Characterization of Binary Organogels Based on Some Azobenzene Compounds and Alkyloxybenzoic Acids with Different Chain Lengths

Figure 2

SEM images of xerogels. C18-Azo (a, b, c, and d) and C18-Azo-Me (e, f, g, and h) in toluene, nitrobenzene, ethanolamine, and benzene, respectively.

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