Nature CommunicationsTwo-dimensional crystals catalyse hydrogen into protonsJie XuWenna TangWeilin LiuYu JiangQianglong FangZihao WanYujian ZhuGuowen YuanLei WangMing-Gang JuLibo Gao2026-03-28Full textDOI https://doi.org/10.1038/s41467-026-71149-w