The rapid development
of consumer electronics, artificial intelligence,
and clinical medicine generates an increasing demand for flexible
pressure sensors, whose performance depends significantly on sensitive
materials with high flexibility and proper conductivity. MXene, a
type of 2D nanomaterial, has attracted extensive attention due to
its good electrical conductivity, hydrophilicity, and flexibility.
The synthesis methods for MXenes make it relatively easy to control
their microstructure and surface termination groups. Hence, MXenes
can obtain peculiar microstructures and facilely combine with other
functional materials, making them promising prospects for use in flexible
pressure sensors. In this Review, recent advances in MXenes are summarized,
mainly focusing on the synthesis methods and their application in
flexible pressure sensors. Finally, the challenges and potential solutions
for future development are also discussed.
Cushioning and antibacterial packaging are the requirements of the storage and transportation of fruits and vegetables, which are essential for reducing the irreversible quality loss during the process. Herein, the composite of carboxymethyl nanocellulose, glycerin, and acrylamide derivatives acted as the shell and chitosan/AgNPs were immobilized in the core by using coaxial 3D-printing technology. Thus, the 3D-printed cushioning–antibacterial dual-function packaging aerogel with a shell–core structure (CNGA/C–AgNPs) was obtained. The CNGA/C–AgNPs packaging aerogel had good cushioning and resilience performance, and the average compression resilience rate was more than 90%. Although AgNPs was slowly released, CNGA/C–AgNPs packaging aerogel had an obvious antibacterial effect on E. coli and S. aureus. Moreover, the CNGA/C–AgNPs packaging aerogel was biodegradable. Due to the customization capabilities of 3D-printing technology, the prepared packaging aerogel can be adapted to more application scenarios by accurately designing and regulating the microstructure of aerogels, which provides a new idea for the development of food intelligent packaging.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.