Abstract
Nanocomposite hydrogels have attracted extensive research interest due to their potential applications in health care, electronic skin, and sensors. This paper reviews the performance and characteristics of nanocomposite hydrogels based on zero-dimensional, onedimensional, and two-dimensional nanofillers, including sensitivity, detection range, detection limit, and application scenarios. The effects of different dimensional nanofillers on the performance of nanocomposite hydrogels are discussed, and the advantages and disadvantages of nanocomposite hydrogels based on different nanomaterials are analyzed. The structural design, materials, processing strategies and encapsulation methods of nanocomposite hydrogel sensors are also briefly described. Then, this paper focuses on the application of wearable sensors in human motion detection and biomedical direction and compares the advantages and disadvantages of wearable sensors based on different nanocomposite hydrogels in the above two applications directions. Finally, the problems and challenges existing in the application of wearable sensors are discussed, and the development trend of wearable sensors based on nanocomposite hydrogels is attempted to be prospected.
Graphical Abstract
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