Enhanced solar-driven photocatalytic performance of a ternary composite of SnO quantum dots//AgVO nanoribbons//g-CN nanosheets (0D/1D/2D) structures for hydrogen production and dye degradation.

Herein, we report the synthesis of between SnO QDs /AgVO nanoribbons/g-CN nanosheets of ternary photocatalytic systems for the production of H through light irradiation. The SnO/AgVO/g-CN photocatalyst was successfully produced by using the hydrothermal process. The structural characterizations of the samples revealed the successful formation of ternary heterostructures where SnO, AgVO and g-CN (quantum dots/nanoribbons/nanosheets) 0D/1D/2D structures make a good interface with each other. The fabricated heterostructures of AgVO/g-CN and SnO/AgVO/g-CN photocatalytic structures performed enriched photocatalytic performance for H production over that of the pristine g-CN, AgVO and SnO photocatalysts. The AgVO/g-CN and SnO /AgVO/g-CN of photocatalysts were found to produce H of around 17,000 μmol g and 77,000 μmol g, respectively, which is much 4.5 times greater than that of AgVO/g-CN photocatalyst. Moreover, the photodegradation behaviours of prepared catalysts were studied with the dye (rhodamine B, RhB) under light irradiation. The ternary composite SnO/AgVO/g-CN performed photodegradation of RhB in 50 min. The higher photocatalytic activity for the ternary photocatalysts is predominantly due to the effective charge separation at the perfect interface formation amid SnO and AgVO/g-CN.