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. 2014 Mar 7;4:4306. doi: 10.1038/srep04306

Figure 5. Nyquist plot of (a) IMPS and (b) IMPS results.

Figure 5

Narrow-band red LED light (635 nm) was used for the AC and DC components of the illumination. The mean transit time (τt) of photogenerated charges and recombination time (τr) were obtained at the frequency minimum in the Nyquist plot of IMVS and IMPS results.