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. 2017 Apr 10;8:14643. doi: 10.1038/ncomms14643

Figure 3. XPS and EELS analysis of LiFePO4 before and after light exposure.

Figure 3

(a) Fe 2p XPS results of the FTO–LFP–dye film before (black line) and after (red line) light exposure. The data are shown after normalization and (b) EELS spectra of oxygen K edge and iron L2,3 edge before (black) and after (red) light exposure.