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- W4313479455 endingPage "156091" @default.
- W4313479455 startingPage "156091" @default.
- W4313479455 abstract "We report the synthesis of shape-modulated ZnO nanowires (NWs) and their role to achieve competent photoelectrochemical water splitting (PEC-WS) performance. The carrier dynamics of smooth (s-) and beaded ZnO NW (b-ZnO NW) photoanodes were investigated using time-resolved, temperature-controlled (room-temperature and low-temperature) photoluminescence spectroscopy. The enhanced PEC-WS performance obtained with the b-ZnO NWs was related to the reduced density of surface recombination states, superior crystallinity, and enhanced carrier lifetime, which improved carrier separation. Furthermore, an effective type-II aligned structure with b-ZnO NWs encapsulated in SnS2 and IrOx co-catalyst for enhanced PEC-WS performance and viability have been demonstrated. The optimized IrOx/15 nm SnS2/b-ZnO NW photoanodes demonstrated higher PEC-WS performance (0.58 mA/cm2 at 1.23 V vs RHE) with feasible photostability retention. We believe that our structural modulation approach, in-depth understanding of the carrier dynamics, and demonstration of a co-catalyst-enabled core–shell structure will be beneficial for obtaining highly efficient PEC-WS performances in ZnO-based photoanodes." @default.
- W4313479455 created "2023-01-06" @default.
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- W4313479455 date "2023-03-01" @default.
- W4313479455 modified "2023-10-08" @default.
- W4313479455 title "Investigation of charge carrier dynamics in beaded ZnO nanowire decorated with SnS2/IrOx cocatalysts for enhanced photoelectrochemical water splitting" @default.
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- W4313479455 doi "https://doi.org/10.1016/j.apsusc.2022.156091" @default.
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