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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: Sens Actuators B Chem. 2017 Apr;242:658–666. doi: 10.1016/j.snb.2016.11.103

Figure 10.

Figure 10

Performance comparison of constant potential amperometry and transient DPA for five cycles of alternating gas concentrations between N2 and 50% air: (a) gas concentration cycles vs. time; (b) constant potential amperometry current response vs. time; (c) transient DPA current response vs. time; (d) reduction current comparison using constant potential amperometry (blue) and transient DPA (green). The inset in (c) shows the transient DPA reduction current plots overlapped for five gas cycles.