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- W3174634964 endingPage "2100109" @default.
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- W3174634964 abstract "Photoelectrochemical (PEC) solar-driven hydrogen production is a promising route to convert solar energy into chemical energy using semiconductors as active materials. However, the performance is still far from satisfactory due to a limited absorption range and rapid charge recombination. Compared to 3D semiconductors, 0D/2D nanohybrids may exhibit better PEC performance, due to the formation of an intimate interface between the two semiconductors that can inhibit carrier recombination. Herein, a photoelectrode based on a 0D/2D heterojunction is constructed by 0D metal chalcogenide quantum dots (QDs) and hierarchical 2D Zn-MoS2 nanosheets (NSs). The effect of PbS, CdS, and their composite PbS@CdS QDs is analyzed by depositing them onto Zn-MoS2 NSs using an in situ process. This distinctive heterojunction can leverage the light harvesting capabilities of QDs with the catalytic performance of Zn-MoS2 . Compared to Zn-MoS2 , Zn-MoS2 /PbS, and Zn-MoS2 /CdS, the obtained 0D/2D heterostructure based on the composite Zn-MoS2 /PbS@CdS has a significantly enhanced photocurrent. The synergistic effect between 0D/2D heterojunction, the extended absorption range of QDs, and the strong coupling and band alignment between them lead to superior solar-driven PEC performance. This work can provide a new platform to construct multifunctional 0D/2D nanohybrids for optoelectronic applications, not limited to PEC devices." @default.
- W3174634964 created "2021-07-05" @default.
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- W3174634964 date "2021-06-23" @default.
- W3174634964 modified "2023-10-11" @default.
- W3174634964 title "Modulating the 0D/2D Interface of Hybrid Semiconductors for Enhanced Photoelectrochemical Performances" @default.
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- W3174634964 doi "https://doi.org/10.1002/smtd.202100109" @default.
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