Oxygen-incorporated MoS_(2) catalyst for remarkable enhancing piezocatalytic H_(2) evolution and degradation of organic pollutant

作     者：Xue-Er Ning Dian-Zeng Jia Shan-Hao Li Muhammad Farooq Khan Ai-Ze Hao Xue-Er Ning;Dian-Zeng Jia;Shan-Hao Li;Muhammad Farooq Khan;Ai-Ze Hao

作者机构：State Key Laboratory of Chemistry and Utilization of Carbon Based Energy ResourcesCollege of ChemistryXinjiang UniversityUrumqi830017China Department of Electrical EngineeringSejong UniversitySeoul05006Republic of Korea 

出 版 物：《Rare Metals》 (稀有金属（英文版）)

年 卷 期：2023年第42卷第9期

页      面：3034-3045页

核心收录：

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 081702[工学-化学工艺] 081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 

基　　金：financially supported by the Talent Program of Tianshan Youth of Xinjiang Autonomous Region (No. 2020Q070) the National Natural Science Foundation of China (No. 12064042) 

主　　题：Oxygen-incorporated MoS_(2) Piezocatalytic H_(2)evolution Piezocatalytic degradation Charge carriers separation Piezocatalytic mechanism 

摘      要：A highly efficient piezocatalyst of oxygen-incorporated Mo S_(2)(O-Mo S_(2)) was designed and successfully synthesized via facile modulation of hydrothermal process temperature ***,a superior piezocatalytic H_(2) evolution rate of 46.1μmol·g^(-1)·h^(-1)in pure water and921.0μmol·g^(-1)·h^(-1)in methanol solution is obtained on optimal O-MoS_(2)-180 (with a hydrothermal process temperature of 180℃),outperforming pristine Mo S_(2)and most of the reported other ***,piezocatalytic activity of O-MoS_(2) toward the degradation of organic pollutants depends on hydrothermal *** suitable temperature of O-Mo S_(2)-180 presents dramatically excellent piezocatalytic capacity compared with the pristine MoS_(2) for degradation of methylene blue (MB) *** reaction rate constant of O-Mo S_(2)-180 reaches to 54.6×10^(-3)min^(-1),which is nearly 18 and 4-folds in contrast with pristine MoS_(2) and O-Mo S_(2)-140 (with a hydrothermal process temperature of 140℃),***,it also manifests that O-MoS_(2)-180 endows relatively high degradation efficiency (84.6%within30 min) and excellent ***,it is also demonstrated that optimal O-MoS_(2) can dramatically promote charge carriers transport and ***,our theoretical calculation results suggest that the oxygenincorporated can modulate the surface electronic state,enhance active sites as well as optimize the hydrogen adsorption Gibbs free energy of MoS_(2),thus extremely boosting piezocatalytic ***,an innovative piezocatalytic mechanism is proposed to reveal and expound the relationship between piezocatalytic property and oxygen-incorporated role.