Journal of Nanomaterials / 2012 / Article / Fig 2

Research Article

Chemical Tuning of Adsorption Properties of Titanate Nanotubes

Figure 2

(a) XRD patterns of anatase (precursor), pristine nanotubes (TNT10), and ion-exchanged nanotubes (TNT0). H:hkl—trititanic acid H2Ti3O7 reflections; Na:hkl—sodium trititanate reflections; *reflections of hydrated pentatitanate H2Ti5O11·3H2O. (b) XRD data for the pristine nanotubes (TNT10) calcined for 12 h at different temperatures: 120°C, 400°C, 500°C, 600°C, and 800°C. (c) XRD data for ion-exchanged TNT0 treated for 12 h at different temperatures: 120°C, 200°C, 400°C, 500°C, 600°C, 800°C, and 1000°C. (d) Thermogravimetric curves (TG) for titania nanotubes: pristine (TNT10) and ion-exchanged (TNT0).
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