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Figure 7
(Top) The R factor as a goodness-of-fit parameter. (Middle) The counts of the edge as a function of the membrane position are shown, to represent the total vanadium concentration. (Bottom) The fraction of vanadium species in the membrane: Nafion 117 exposed to V3+ from the top and to VO2+ from the bottom for (a) 200 s and (b) 600 s. Fractions were obtained from the LCF of the pre-edge peak. Gray areas indicate the position of the membrane.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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