Enhanced photocatalytic activity of ZnO/g-C3N4 composites by regulating stacked thickness of g-C3N4 nanosheets
2020
Gao, Xingxing | Yang, Binzheng | Yao, Wenqing | Wang, Yajun | Zong, Ruilong | Wang, Jian | Li, Xianchun | Jin, Wenjie | Tao, Dongping
A self-assembly method was adopted to synthesize loading architecture of ZnO/g-C₃N₄ heterojunction composites by hybridization of g-C₃N₄ nanosheets and ZnO nanoparticles utilizing a refluxing method at a low temperature. More importantly, we provided a novel route to regulate the π-π restacking thickness of the g-C₃N₄ nanosheets among ZnO/g-C₃N₄ composites by the controlling the refluxing time in the ethanol solution, which can optimize the surface hybrid structure, optical response and photocatalytic activity. Among all of samples, ZnO/g-C₃N₄ composites with a refluxing 12 h showed the enhancement of photocatalytic activity. The enhanced visible light photocatalytic activity of ZCN-12 composites can be ascribed to the synergistic effects of the construction of hybrid structures, reduction of structural defects of g-C₃N₄ nanosheets and suitable π-π restacking g-C₃N₄ nanosheets loading thickness.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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