光催化
材料科学
异质结
碳化作用
三元运算
催化作用
光化学
吸收(声学)
热液循环
碳纤维
化学工程
化学
光电子学
复合材料
复合数
计算机科学
有机化学
工程类
程序设计语言
作者
Rui‐tang Guo,Zhe‐xu Bi,Zhidong Lin,Xing Hu,Juan Wang,Xin Chen,Weiguo Pan
标识
DOI:10.1016/j.jcis.2022.07.078
摘要
Photocatalytic reduction of CO2 to high-energy products is an effective way to utilize solar energy and mitigate the greenhouse effect. In this paper, a series of CQDs/Bi12O17Cl2/NiAl-LDH (C/BOC/LDH) photocatalysts were prepared via a one-pot hydrothermal method, demonstrated excellent photocatalytic CO2 reduction performance. In the case of only water without any photosensitizer and sacrificial agent, the CO production rate on C/0.3BOC/LDH reached 16.4 μmol·g-1h-1, which is 6.7 times higher than that of the original LDH. The construction of Z-scheme heterojunctions inhibited the recombination of electrons with holes. The unique up-conversion PL behavior of CQDs benefitted the absorption of energy in the NIR by the photocatalyst. This study provides meaningful assistance for the design and construction of a ternary photocatalytic system with Z-scheme heterojunction and carbon-based co-catalyst.
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