Abstract
Photocatalytic nitrogen fixation, the new generation of ammonia synthesis technology for clean energy-storage, has been widely studied. Low utilization rate of visible light and easy recombination of photogenerated carriers are the key problems in photocatalytic nitrogen fixation reaction. Supported Ru active sites can significantly improve the nitrogen fixation activity. Hollow spherical H-C3N4 also shows good nitrogen fixation activity potential. In this paper, we try to construct Ru@MOFs@H-C3N4 heterojunction and obtain photocatalyst with good photocatalytic activity. By comparing the activities with different catalysts, it was found that Ru@SH-MOF@H-C3N4 containing sulfhydryl MOF had better nitrogen fixation activity than Ru@OH-MOF@H-C3N4 containing hydroxyl MOF, and the structure–activity relationship for this phenomenon was elucidated.
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