Unveiling the role of Fe doping and Mo leaching in Fe-MoNi4@NiMoOx bifunctional catalysts for water splitting - Rui Ming; Jingjing Du; Lijian Xu; Yong Xu; Zhao Liang; Qiao Liu; Dongjiang Yang; Qiliang Wei; Weiyou Yang; Qing Shi (Chemical Engineering Journal, 2026)