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- W4290065552 abstract "Efficient electron-hole separation and carrier utilization are key factors in photocatalytic systems. Here, we use a metal-organic framework (NH2-UiO-66) modified with inner platinum nanoparticles and outer cadmium sulfide (CdS) nanoparticles to construct the ternary composite Pt@NH2-UiO-66/CdS, which has a spatially separated, hierarchical structure for enhanced visible-light-driven hydrogen evolution. Relative to pure NH2-UiO-66, Pt@NH2-UiO-66, and NH2-UiO-66/CdS samples, the Pt@NH2-UiO-66/CdS composite exhibits much higher hydrogen yields with an apparent quantum efficiency of 40.3% at 400 nm irradiation and stability over the most MOF-based photocatalysts. Transient absorption measurements reveal spatial charge-separation dynamics in the composites. The catalyst's high activity and durability are attributed to charge separation following an efficient photogenerated hole-transfer band-trap pathway. This work holds promise for enhanced MOF-based photocatalysis using efficient hole-transfer routes." @default.
- W4290065552 created "2022-08-06" @default.
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- W4290065552 date "2022-08-06" @default.
- W4290065552 modified "2023-10-14" @default.
- W4290065552 title "Photogenerated hole traps in metal-organic-framework photocatalysts for visible-light-driven hydrogen evolution" @default.
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- W4290065552 doi "https://doi.org/10.1038/s42004-022-00713-4" @default.
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