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

Fig. 4.

Fig. 4

Structural evolution of 0.17%Pt@MCM-22-300H2 under CO + O2 conditions. At 100–200 °C, highly dispersed Pt species will agglomerate into Pt clusters or even small nanoparticles. When the reaction temperature continues to increase to higher temperature (300–400 °C), Pt nanoparticles will disintegrate and form highly dispersed Pt species and Pt clusters