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. 2018 Feb 8;9:574. doi: 10.1038/s41467-018-03012-6

Fig. 1.

Fig. 1

Structural evolution of 0.17%Pt@MCM-22 under redox conditions. a 350 °C in H2 for 15 min (0.1 torr), b 550 °C in H2 (0.1 torr) for 15 min, c 700 °C in H2 (0.1 torr) for 15 min, d 800 °C in H2 (0.1 torr) for 10 min, e 500 °C in O2 (0.1 torr) for 15 min, f 700 °C in O2 (0.1 torr) for 15 min. Scale bar in all the images in this figure: 20 nm