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. 2018 Jul 27;4(9):1095–1101. doi: 10.1021/acscentsci.8b00306

Figure 2.

Figure 2

Diverging catalyst behavior after heat treatment. (a) CO conversion at various temperatures (reproduced from ref (13)). Catalyst mass 150 mg, gas flow 50 mL min–1 1 vol % CO in air. (b) Arrhenius plots carried out at low conversion conditions. ○ (CP-1, dried, 6 wt % Au by ICP), ● (CP-1, calcined, 6 wt % Au by ICP), □ (CP-2, dried, 3.5 wt % Au by ICP), ■ (CP-2, calcined, 3.5 wt % Au by ICP). The arrows shown in part a represent the thermal activation behavior (black arrow) of the CP-1 catalyst and the thermal deactivation behavior (white arrow) of the CP-2 catalyst.