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Synergistic regulation of oxygen vacancies and acid-base properties of ZrO2 for highly selective isobutene synthesis from CO hydrogenation
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DOI：10.1016/j.mcat.2026.115917.png)
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Abstract
En 中文
• Solvent regulates the phase structure, surface properties and oxygen vacancy content of ZrO2. • Oxygen vacancy concentration affects CO hydrogenation activity of ZrO2 with different phases. • Moderate-strength acid and base sites and optimal base/acid ratio enhance isobutylene selectivity. • Gd modification increases oxygen vacancies and promotes the formation of isobutene in CO hydrogenation.
Keywords:
oxygen vacancies
acid-base properties
ZrO2
CO hydrogenation
isobutene selectivity