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. 2015 Aug 21;5(3):1397–1417. doi: 10.3390/nano5031397

Figure 1.

Figure 1

45° tilted scanning electron microscope (SEM) images of synthesized nanostructure. (a) SEM images of the Ti series after KOH treatment; (b) SEM images of the TAV series after KOH treatment; (c) SEM images of the TN series after KOH treatment. Ti and TAV metals which consist of more than 90% of Ti yielded elongated nanostructures of K-incorporated nTOFs (diameter: about 10 to 100 nm, length: several tens of micrometers) using 10–20 mol/L-KOH solution. In contrast, TN metal with 50% Ti content needed a KOH treatment with >20 mol/L-KOH solution. In short, 10 mol/L-KOH-treated Ti & TAV and 20 mol/L-KOH-treated TN showed similar morphology.