Constructing Z-scheme heterojunctions of Zr-MOF/g-C3N4 for highly efficient photocatalytic H2 production under visible light
文献信息
发布日期
2023-11-15
DOI
10.1039/D3NJ03923D
影响因子
3.591
作者
Jun Shi, Weiting Yang, Yulong Li, Ruoyu Wu, Jiani Wu
查看原文
摘要
The construction of heterojunction photocatalysts is an effective strategy to improve photocatalytic activity. Inspiringly, this is studied by the successful fabrication of new composites of a robust Zr-MOF and low-cost g-C3N4via a simple method of mechanical grinding followed by low-temperature heating. The synthesized composites exhibit characteristics of wide-range visible-light absorption, good long-term stability and significant photocatalytic hydrogen production. The optimal H2 production rate of the Zr-MOF/g-C3N4 (5.0 wt%) heterojunction was 1.252 mmol h−1 g−1, which was 41.7 and 15.7 times higher than that of pure Zr-MOF and g-C3N4, respectively. The Z-scheme charge transfer mechanism in Zr-MOF/g-C3N4 effectively improves charge separation and maintains its high redox ability, thus greatly enhancing photocatalytic hydrogen production activity. This study presents the rational fabrication of heterojunctions for photocatalytic applications and also provides new high-performance and low-cost MOF/g-C3N4 photocatalysts for H2 production.
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来源期刊
New Journal of Chemistry
CiteScore:
5.3
自引率:
3.7%
年发文量:
2153
NJC (New Journal of Chemistry) is a broad-based primary journal encompassing all branches of chemistry and its sub-disciplines. It contains full research articles, communications, perspectives and focus articles. This well-established journal, owned by the Centre National de la Recherche Scientifique (CNRS) of France, has been co-published with the Royal Society of Chemistry since January 1998. NJC is the forum for the publication of high-quality, original and significant work that opens new directions in chemistry or other scientific disciplines. In addition to having a significant chemical component, work published in NJC must demonstrate that it will have an impact on areas of research other than that of the reported work.
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