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    Graphene Quantum Dot-Mediated Atom-Layer Semiconductor Electrocatalyst for Hydrogen Evolution

    Year: 2023

    Journal: Nano-Micro Letters, Volume 15, 2023-09-28, page 217

    Authors: Hu, Bingjie; Huang, Kai; Tang, Bijun; Lei, Zhendong; Wang, Zeming; Guo, Huazhang; Lian, Cheng; Liu, Zheng; Wang, Liang

    Keywords: Hydrogen evolution reaction; Atom-layer; Graphene quantum dots; MoS2 nanosheets; Semiconductor electrocatalysts

    The functional groups on graphene quantum dots (GQDs) for boosting the formation of MoS2 nanosheets via theoretical calculations were predicted.Near atom-layer-QD@SO3 with about 2 nm were synthesized using a functionalized GQD-induced in-situ bottom-up approach.Mechanistic insight on the role of functionalized GQDs was elaborated, namely, electron-withdrawing group functionalized GQDs facilitate the formation of nanosheet architectures of MoS2 compared to electron-donating group.
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