Diagram of the photoexcitation-induced ultrafast passivation process and phase transition of SnO2 thin films (IMAGE)

Science China Press

Diagram of the photoexcitation-induced ultrafast passivation process and phase transition of SnO2 thin films

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 (a) The specific mechanisms of the annealing process including photoexcitation, electron–electron and electron–phonon scattering, rearrangement of atoms and defects passivation. (b) High-resolution TEM images of (i) original-SnO2 and (ii) PiP-SnO2.

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