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Demonstrates self-healing behavior in pt catalysts through a physical mixture with pd, rh, or ceria, suggesting improved longevity.
Aging Pt catalysts in air leads to anomalously large particles due to the high vapor pressure of PtO 2 . A physical mixture of the Pt catalyst with Pd, Rh or ceria allows the mobile atoms to be trapped, creating self-healing behavior.
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Datye et al. (2026) studied this question.
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