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- W3201616079 abstract "A new photocatalyst, the tri-arm CdS/ZnS core–shell nanorod, is carefully designed for the first time, where tri-arm CdS nanorods are decorated by dodecylamine (DDA) molecules and then wrapped in an intermittent ZnS shell. The resultant photocatalyst with a CdS/ZnS mole ratio of 0.5 (CZS0.5) presents a significantly improved H2 evolution rate of 726.0 μmol/h (3 mg of catalysts, equal to 242.0 mmol/g/h) in the absence of co-catalysts, which is currently the highest value in CdS-based catalysts. The apparent quantum efficiency of CZS0.5 reaches 50.61% at 380 nm. The significantly enhanced photocatalytic performance can be attributed to a win–win situation between the analogous type-II mechanism formed in the CdS/ZnS heterojunction and the H+ adsorption resulting from the DDA molecules. Due to the analogous type-II mechanism, photogenerated electrons are transferred from the ZnS shell to the CdS nanorod. Owing to the decoration of DDA, many H+ ions are adsorbed on CdS. Thus, the photogenerated electrons gathered in CdS can be captured quickly and in a timely manner by the adsorbed proton H+ to produce hydrogen, which effectively suppresses the recombination of photogenerated electrons and holes. This study may bring new insights for developing other photocatalysts with high performance by using small organic molecules." @default.
- W3201616079 created "2021-09-27" @default.
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- W3201616079 date "2022-02-01" @default.
- W3201616079 modified "2023-10-02" @default.
- W3201616079 title "Dodecylamine coordinated tri-arm CdS nanorod wrapped in intermittent ZnS shell for greatly improved photocatalytic H2 evolution" @default.
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- W3201616079 doi "https://doi.org/10.1016/j.cej.2021.132382" @default.
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