Abstract
CdS quantum dots (CdSQDs) contain unique structural features and are an attractive class of visible-light-driven photocatalysts that have been used as catalyst supports. In this study, ethylene glycol assisted synthesis of CdSQD nanobunches are successfully self-assembled with Bi2S3 nanorods via a simple hydrothermal method and are applied as a photocatalyst for H2 production. Because of the unique nanostructure, the CdSQDs/Bi2S3 composite achieved a 24.9-fold higher yield than that of pristine Bi2S3. In addition, the CdSQDs/Bi2S3 composite could be recovered and reused without the loss of its catalytic activity for three cycling tests. Coupling the CdSQDs with Bi2S3 nanorods with tight contacts could improve the development of profiled binary composites for various applications.
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