Design and preparation of high performance photocatalysts are always the keys for photocatalytic hydrogen production by using green and unlimited solar energy. In this work, we present the synthesis of Cu₂ZnSnS₄ (CZTS) decorated CdS nanorods and their use for visible-light-driven photocatalytic hydrogen production. The as-synthesized CZTS decorated CdS nanorods exhibit much higher visible-light-driven photocatalytic hydrogen production performance than that of individual CdS nanorods and individual CZTS nanoparticles. Specifically, the hydrogen production rate of representative CZTS decorated CdS nanorods was 48-times and 165-times higher than that of individual CdS nanorods and individual CZTS nanoparticles. The enhanced photocatalytic hydrogen production performance may be contributed by the p-n heterojunction as well as the synergistic effect between CdS nanorods and CZTS particles. The present work not only reported new low-cost and highly efficient photocatalysts for visible-light-driven photocatalytic hydrogen production, but also provided new method for the design and preparation of high performance visible-light-driven heterostructured photocatalysts for photocatalytic hydrogen production.

高性能光催化剂的设计和制备始终是通过使用绿色无限的太阳能来生产光催化制氢的关键。在这项工作中，我们介绍了Cu ₂ ZnSnS ₄的合成（CZTS）装饰的CdS纳米棒及其在可见光驱动的光催化制氢中的用途。合成后的CZTS装饰的CdS纳米棒表现出比单个CdS纳米棒和单个CZTS纳米颗粒更高的可见光驱动的光催化制氢性能。具体而言，代表性的CZTS装饰的CdS纳米棒的氢气产生速率分别比单个CdS纳米棒和单个CZTS纳米颗粒的氢气生产率高48倍和165倍。pn异质结以及CdS纳米棒和CZTS颗粒之间的协同效应可能有助于提高光催化制氢性能。本工作不仅报告了用于可见光驱动的光催化制氢的新型低成本高效光催化剂，