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. 2020 Mar 14;7(9):1903047. doi: 10.1002/advs.201903047

Figure 2.

Figure 2

a) Surface SEM images of the pristine SnF2/PEDOT:PSS film, and treated by the ion exchange/insertion reaction for b) 5 min, c) 10 min, d) 20 min, e) 30 min, f) 40 min, g) 60 min, and h) 80 min.

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