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. 2015 Aug 12;6:7907. doi: 10.1038/ncomms8907

Figure 3. The transient photoresponse of CarH.

Figure 3

(a) False colour plot of the raw data (that is, uncorrected for background data) transient absorption difference spectra that represent the photodynamics of CarH <3 ns (yellow to red, positive amplitudes; green to blue, negative amplitudes). (b) Examples of raw data transient absorption difference spectra recorded using an ultrafast pump–probe spectrometer up to 15 ps following the photoexcitation of CarH by a fs-pulsed laser. (c) Examples of raw data transient absorption difference spectra recorded using a streak camera up to 5 μs following the photoexcitation of CarH by a ns-pulsed laser. (d) Examples of raw data transient absorption difference spectra recorded using an ultraviolet–visible spectrometer up to 55 s following the photoexcitation of CarH by a ms-pulsed LED. (b–d) Black lines represent background data, blue lines the early time data and red lines later time data; the green line in (b) represents the contribution of the component that lives from 15 ps to beyond the data acquisition window (that is, ≫3 ns).