光催化
异质结
双金属
材料科学
制氢
氧化物
氢
吸收(声学)
光化学
催化作用
可见光谱
光电子学
化学
复合材料
有机化学
冶金
作者
Yanyun Fan,Hongmei Chen,Danfeng Cui,Fan Zheng,Xue Chen
标识
DOI:10.1002/ente.202000973
摘要
Herein, a novel NiCo 2 O 4 /g‐C 3 N 4 heterojunction photocatalyst is synthesized, which shows excellent photocatalytic activity. Photocatalysis studies reveal that the hydrogen generation rate of the 5%‐NiCo 2 O 4 /g‐C 3 N 4 composite photocatalyst can reach 1041.9 μmol g −1 h −1 . NiCo 2 O 4 and g‐C 3 N 4 form a heterojunction, which enhances the absorption capacity of visible light, promotes the separation of charges, and inhibits the recombination of carriers, consequently, improving the performance of photocatalytic hydrogen generation. The photocatalytic reaction mechanism of the NiCo 2 O 4 /g‐C 3 N 4 heterojunction composite is discussed, which provides a method for studying bimetal oxide‐based photocatalysts.
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