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Findings show hydrogen chemisorption and oxidation to Pt(IV) in a silica-supported catalyst, indicating performance implications.
Pt(0) single atoms on porous silica show strong hydrogen chemisorption (2.0H/Pt) but no olefin hydrogenation activity, and are readily oxidized to Pt( iv ) upon exposure to oxygen.
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Na et al. (2026) studied this question.
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