Abstract
Rapid advancement of 2D materials has spurred extensive research into MXenes, given their remarkable properties applicable in fields like energy storage, catalysis, and energy harvesting. MXenes, notably Ti3C2, hold promise for self-powered sensors such as piezoelectric nanogenerators, yet exploration of other variants is limited. This study presents a Piezoelectric Nanogenerator (PENG) composed of electrospun nanofibers fabricated from a composite of PVDF/ V2CTx MXene. V2CTx MXene synthesis involves hydrothermal synthesis followed by an acid etching process. These composite electrospun nanofibers, deposited onto a copper sheet, serve as the PENG, generating 124 V (open-circuit) and 2.2 µAmps (short-circuit) with manual single-finger tapping. Additionally, the PENG's versatility is demonstrated through its ability to facilitate the electrodeposition of ZnO thin films and power various small-scale electronic gadgets. Mechanical stability analysis over 3000 cycles underscores the device's robustness, indicating potential for enhanced self-powered sensing technology in nanogenerator applications and prompting further exploration of MXene variants.
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