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首页> 外文期刊>Applied Surface Science >Enhanced photocatalytic hydrogen evolution over monolayer HTi_2NbO_7 nanosheets with highly dispersed Pt nanoclusters
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Enhanced photocatalytic hydrogen evolution over monolayer HTi_2NbO_7 nanosheets with highly dispersed Pt nanoclusters

机译：具有高度分散的Pt纳米簇的单层HTi_2NbO_7纳米片增强了光催化氢的释放

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摘要

Photocatalytic hydrogen production, as an ideal strategy for solar-to-fuel conversion, remains the great challenges in designing the highly efficient photocatalytic systems. Herein, the monolayer HTi2NbO7 nanosheets with the thickness of 1.65 nm are developed as photocatalysts coupled with N nanoparticles for hydrogen production from water. The N nanocluster/HTi2NbO7 nanosheets prepared via an in situ process showed the better photocatalytic activity for H-2 evolution than that obtained by a chemical reduction. The higher dispersity and more closely interface contact between the nanosheets and N nanoclusters would promote the transfer of the photogenerated carriers. A synergistic photocatalytic mechanism for monolayer nanosheets and N nanocluster would be proposed to elucidate the high efficient hydrogen production.
机译：作为设计太阳能转化燃料的理想策略，光催化制氢仍然是设计高效光催化系统的巨大挑战。在本文中，开发了厚度为1.65 nm的单层HTi2NbO7纳米片作为光催化剂，并与N纳米粒子偶联，用于从水中生产氢。通过原位方法制备的N纳米簇/ HT12NbO7纳米片显示出比化学还原获得的更好的H-2分解光催化活性。纳米片和N个纳米团簇之间的较高分散度和更紧密的界面接触将促进光生载流子的转移。将提出一种用于单层纳米片和N纳米簇的协同光催化机理，以阐明高效的制氢技术。

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