光催化
材料科学
肖特基势垒
纳米颗粒
金属
光化学
氧化还原
纳米技术
可见光谱
化学工程
催化作用
光电子学
化学
有机化学
冶金
工程类
二极管
作者
Yongqiang Xian,Ziqing Li,Lanzhen Peng,Jin Luo,Xiaomei Ning,Xunfu Zhou,Xiaosong Zhou
标识
DOI:10.1016/j.seppur.2024.127337
摘要
The g-C3N4 material, which exhibits a sensitivity to visible light and has a band position that is appropriate for the photoreduction of H2, has garnered significant interest. However, the ability of g-C3N4 to use light for photocatalysis is restricted due to its insufficient capacity to absorb light and its poor reaction kinetics on the surface. The researchers opted for the metallic MoB2 to create a Schottky junction coupled with g-C3N4. The incorporation of MoB2 nanoparticles onto g-C3N4 enhances its light absorption capacity and promotes the efficient separation and transfer of photogenerated charge. In addition, MoB2 nanoparticles served as active sites to accelerate H2 evolution. Compared to g-C3N4, the MoB2@g-C3N4 composite exhibited a nearly 51-fold increase in H2 production rate, indicating a significant improvement in photocatalytic activity. The present investigation demonstrated the potential of metallic MoB2 as a modified material during a photocatalytic H2 evolution reaction.
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