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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 4. Ion-trapping-induced optical performance of WO3 thin films.

Figure 4

(a) In situ optical transmittance at 550 nm and at varying scan rates recorded at 1.5–4.0 V; inset is a close-up for short times. (b) Optical modulation (Tbleach – Tcolored) at 550 nm for different scan rates at 1.5–4.0 V for different potential windows. (c) Spectral transmittance at different scan rates for an as-deposited film and for this film in bleached and colored state.