The marriage of Xenes and hydrogels: Fundamentals, applications, and outlook

Innovation (Camb). 2022 Sep 22;3(6):100327. doi: 10.1016/j.xinn.2022.100327. eCollection 2022 Nov 8.


Hydrogels have blossomed as superstars in various fields, owing to their prospective applications in tissue engineering, soft electronics and sensors, flexible energy storage, and biomedicines. Two-dimensional (2D) nanomaterials, especially 2D mono-elemental nanosheets (Xenes) exhibit high aspect ratio morphology, good biocompatibility, metallic conductivity, and tunable electrochemical properties. These fascinating characteristics endow numerous tunable application-specific properties for the construction of Xene-based hydrogels. Hierarchical multifunctional hydrogels can be prepared according to the application requirements and can be effectively tuned by different stimulation to complete specific tasks in a spatiotemporal sequence. In this review, the synthesis mechanism, properties, and emerging applications of Xene hydrogels are summarized, followed by a discussion on expanding the performance and application range of both hydrogels and Xenes.

PMID:36263399 | PMC:PMC9573930 | DOI:10.1016/j.xinn.2022.100327


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