Figure 2
From: Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina
Morphological characterization of the outer surface of APA prepared in 0.3 M oxalic acid.a Results of the AFM measurements: pore diameterdout(open circles), interpore distanceDout(filled circles), and surface RMS roughness values, for 10 μm scan size (filled squares).b Contact angles θ measured in ambient air on the same APA surfaces, using either DI water (filled squares) or a 10% v/v aqueous solution of IL2 (open squares), respectively