Hydrogen production from methanol aqueous solution by ZnO/Zn(OH)2 macrostructure photocatalysts

被引：26
作者：
Wu, Yilun [1 ]
Zeng, Shan [2 ]
Dong, Yanhui [1 ]
Fu, Yunhao [1 ]
Sun, Hang [2 ]
Yin, Shengyan [1 ]
Guo, Xingyuan [1 ]
Qin, Weiping [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Jilin, Peoples R China
[2] Jilin Univ, Coll Biol & Agr Engn, Key Lab Bion Engn, Minist Educ, Changchun 130022, Jilin, Peoples R China
来源：
RSC ADVANCES | 2018年 / 8卷 / 21期
基金：
中国国家自然科学基金;
关键词：
2-DIMENSIONAL MATERIALS; STRUCTURAL MODIFICATION; WATER; GENERATION; EVOLUTION; NANOSTRUCTURES; NANOCONES; SULFIDE; FILMS;
D O I：
10.1039/c8ra00943k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Photocatalytic H-2 generation was studied for a series of ZnO/Zn(OH)(2) macrostructure photocatalysts. Different ZnO/Zn(OH)(2) macrostructures were prepared through a one-step hydrothermal method by adjusting the pH values of the solution and the concentration of dodecyl sulfate. Three different morphologies of the ZnO/Zn(OH)(2) macrostructure were synthesized and studied using SEM and XRD. The reflectance spectra revealed that the cone shaped ZnO/Zn(OH)(2) macrostructure (ZnO-C) had the lowest reflectivity of UV light. It was found that the photoelectronic properties depend on the morphology of the ZnO/Zn(OH)(2) macrostructures. The photocatalytic activity of these ZnO/Zn(OH)(2) macrostructure hybrids (about 0.070mmol g(-1) h(-1)) were higher than that observed for ZnO nanorods (0.050 mmol g(-1) h(-1)). These results suggest the substantial potential of metal oxide materials with macrostructures in photocatalytic water splitting applications.
引用
收藏
页码：11395 / 11402
页数：8
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