Advancing Self-Powered Devices with Novel MXene/Graphene Oxide/Siloxene Frameworks on Textiles: Bridging Chemistry and Sustainability.
basic_science · Level V
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- Record sourced from PubMed, PMID 40243031.
- Also identified by DOI 10.1021/acs.nanolett.5c00288.
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Abstract
Recent advancements in self-charging power devices highlight the potential of dielectric nanofillers in polymer matrixes to improve the performance of microsupercapacitor-triboelectric nanogenerator (TENG) integrated devices. However, achieving homogeneous dispersion of nanofillers into polymer matrixes remains a key bottleneck, often leading to inconsistent performance, reduced stability, and lower energy efficiency. This work presents an innovative chemical functionalization strategy covalently knitting MXene/graphene oxide (GO)/siloxene and MXene/reduced GO/siloxene networks into textile substrates, resulting in a consistent output performance and the development of a durable device. The single-electrode TENG delivered an output voltage of 380 V, a current density of 6.3 μA/cm<sup>2</sup>, a power density of 627 μW/cm<sup>2</sup>, and the transfer of 0.55 ± 0.03 μC of charge. The integrated device charged a voltage of 2.4 V after 110 s of continuous hand tapping, powering smart electronics. These results showcase the potential of chemically engineered heterostructures to address longstanding challenges in self-charging devices.