pH-Sensing Characteristics of Hydrothermal Al-Doped ZnO Nanostructures

Figure 5

V-t curves of the pH-EGFET sensors immersed in pH 1~pH 13 buffer solutions with various Al dosages: (a) 0 at.%, (b) 1 at.%, (c) 2 at.%, (d) 3 at.%, (e) 5 at.%, and (f) 7 at.%.

(a)

(b)

(c)

(d)

(e)

(f)