Nature CommunicationsHydroxyl‑Mediated SO2 Promotion Enables Efficient NOx Reduction by CO over IrIn/Beta under Oxygen‑Rich ConditionsYujie YuanYixi WangWenqing XuYanhong WangYang YangXiubiao MaTingyu Zhu2026-07-24Full textDOI https://doi.org/10.1038/s41467-026-76010-8