Abstract
CdIn2S4 nanosheets ornamented ZnSn(OH)6 microsquares (CIS/ZSOH) heterostructures were devised and fabricated using an easy hydrothermal procedure. The specimens were characterized exhaustively using diverse technologies and used to produce hydrogen. Compared with CdIn2S4 and ZnSn(OH)6, CIS/ZSOH heterostructures presented remarkably superior photocatalytic activities. In addition, CIS/ZSOH-35% exhibited the optimized hydrogen production amount of 4 mmol g−1. Also, the reusable constancy of CIS/ZSOH-35% was very prominent. From relevant characterization results, CIS/ZSOH-35% possessed bigger specific surface area, stronger light-absorption ability and higher charge separation efficiency, which would benefit to improve the photocatalytic performance. Ultimately, the formation of type II heterojunction by CdIn2S4 and ZnSn(OH)6 was confirmed by the band structure and UPS analyses. The study might administer a charming approach to modify the broad band gap photocatalysts.
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