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Highly efficient mobility, separation and charge transfer in black SnO₂-TiO₂ structures with co-catalysts: the key step for the photocatalytic hydrogen evolution.

ABSTRACT: Oxygen vacancies and co-catalysts enhance photocatalytic hydrogen production by improving the charge carrier separation. Herein, the black SnO₂-TiO₂ structure (BST) was synthesized for the first time by two consecutive methods. First, the sol-gel nucleation method allowed TiO₂ to form on the SnO₂ nanoparticles, creating a strong interaction and direct contact between them. Subsequently, this structure was reduced by NaBH₄ during thermal treatment, generating (Ti³⁺/Sn²⁺) states to form the BST. Then, 2 wt% of Co, Cu or Pd was impregnated onto BST. The results showed that the activity raised with the presence of Ti³⁺/Sn²⁺ states, reaching a hydrogen generation rate of 147.50 μmol g^-1

SUBMITTER: Mantilla A

PROVIDER: S-EPMC11332590 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature

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Highly efficient mobility, separation and charge transfer in black SnO₂-TiO₂ structures with co-catalysts: the key step for the photocatalytic hydrogen evolution.

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Highly efficient mobility, separation and charge transfer in black SnO2-TiO2 structures with co-catalysts: the key step for the photocatalytic hydrogen evolution.

OmicsDI is part of the ELIXIR infrastructure

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Highly efficient mobility, separation and charge transfer in black SnO₂-TiO₂ structures with co-catalysts: the key step for the photocatalytic hydrogen evolution.