Constructing a befitting structure for efficient charge separation and transport is highly required for photocatalytic water splitting reactions to generate hydrogen (H_(2)).Herein,we successfully integrated a defecti...Constructing a befitting structure for efficient charge separation and transport is highly required for photocatalytic water splitting reactions to generate hydrogen (H_(2)).Herein,we successfully integrated a defective TiO_(2)/MoP heterojunction with highly conductive carbon cloth (CC),for constructing a panel reactor with charge transfer channels to boost H_(2) evolution.As expected,the behavior of photogenerated charge carriers is effectively steered,resulting in high-efficiency charge migration and separation,and consequently improving photocatalytic activity.The optimal TiO_(2)/MoP/CC exhibits a H_(2) generation rate of 14.7 μmol h^(−1) cm^(−2),up to 19 times higher than that of TiO_(2)/CC.Our work can open up ways to optimize the photocatalytic performance by developing novel non-powder-based photocatalyst systems with good stability and recyclability.展开更多
基金supported in part by the National Natural Science Foundation of China(22002142)China Postdoctoral Science Foundation(2019M652570,2019M650172 and 2020T130605)+2 种基金Natural Science Foundation of Henan Province(202300410436)Support Plan for College Science and Technology Innovation Team of Henan Province(16IRTSTHN001)the Science&Technology Innovation Talent Plan of Henan Province(174200510018).
文摘Constructing a befitting structure for efficient charge separation and transport is highly required for photocatalytic water splitting reactions to generate hydrogen (H_(2)).Herein,we successfully integrated a defective TiO_(2)/MoP heterojunction with highly conductive carbon cloth (CC),for constructing a panel reactor with charge transfer channels to boost H_(2) evolution.As expected,the behavior of photogenerated charge carriers is effectively steered,resulting in high-efficiency charge migration and separation,and consequently improving photocatalytic activity.The optimal TiO_(2)/MoP/CC exhibits a H_(2) generation rate of 14.7 μmol h^(−1) cm^(−2),up to 19 times higher than that of TiO_(2)/CC.Our work can open up ways to optimize the photocatalytic performance by developing novel non-powder-based photocatalyst systems with good stability and recyclability.
