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- Title
Facile Synthesis of 2D/2D Ti 2 C 3 /ZnIn 2 S 4 Heterostructure for Enhanced Photocatalytic Hydrogen Generation.
- Authors
Chen, Yongjuan; Ge, Yanfang; Wu, Chunling; Tang, Hua; Luo, Xiu; He, Jiao; Jiang, Liang; Yan, Zhiying; Wang, Jiaqiang
- Abstract
ZnIn2S4, a novel two-dimensional visible light-responsive photocatalyst, has attracted much attention in the photocatalytic evolution of H2 under visible light irradiation due to its attractive intrinsic photoelectric properties and geometric configuration. However, ZnIn2S4 still has severe charge recombination, which results in moderate photocatalytic performance. Herein, we report the successful synthesis of 2D/2D ZnIn2S4/Ti3C2 nanocomposites by a facile one-step hydrothermal method. The efficiency of the nanocomposites in photocatalytic hydrogen evolution under visible light irradiation was also evaluated for different ratios of Ti3C2, and the optimal photocatalytic activity was achieved at 5% Ti3C2. Importantly, the activity was significantly higher than that of pure ZnIn2S4, ZnIn2S4/Pt, and ZnIn2S4/graphene. The enhanced photocatalytic activity is mainly due to the close interfacial contact between Ti3C2 and ZnIn2S4 nanosheets, which amplifies the transport of photogenerated electrons and enhances the separation of photogenerated carriers. This research describes a novel approach for the synthesis of 2D MXenes for photocatalytic hydrogen production and expands the utility of MXene composite materials in the fields of energy storage and conversion.
- Subjects
PHOTOCATALYSTS; VISIBLE spectra; HYDROGEN production; COMPOSITE materials; ENERGY conversion; HYDROGEN evolution reactions; INTERSTITIAL hydrogen generation
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 4, p3936
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms24043936