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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Nat Mater. 2015 Aug 10;14(10):996–1001. doi: 10.1038/nmat4368

Figure 1. Rejuvenation assessment for WO3 films.

Figure 1

(a) CV data at different cycle numbers for a scan rate of 20 mV s−1. (b) Voltage upon extraction of trapped ions for WO3 film and Pt electrodes. The constant current was 1 × 10−5 A cm−2. (c) and (d) Optical transmittance at 550 nm and in the visible spectral range, respectively, at different cycle numbers. Spectral transmittance data overlap for the bleached state, except after ion de-trapping where the data differ marginally.