This work establishes a very simple and economical preparation of paper-based triboelectric nanogenerators for self-powered liquified petroleum gas (LPG) sensing. Magnification in the output of a Triboelectric nanogenerator (TENG) was achieved using hydrothermally synthesized ZnO/SnO2. This material has been thoroughly characterized through X-ray diffraction, ultraviolet spectroscopy, field-emission scanning electron microscopy (FESEM), Fourier transform infrared analysis and Nanozetasizer. The average crystallite size of the heterostructure was obtained as 17.59 nm. Bandgap of ZnO/SnO2 material was found as 3.49 eV. FESEM exhibits that present heterostructure material exhibits spherical nature with lots of voids on the film surface. Nanozetasizer shows that the diameter of particles resides in the range 50-80 nm with an average particle size as 63.23 nm. The fabricated TENG generates the maximum output voltage of ~75 V, which is more than the output of a paper-based TENG. This TENG was used as a power source to operate a resistive LPG sensing film. The maximum response 24 and minimum response-recovery times of 120-135 ms was observed, which makes this LPG sensing device ultra-fast.
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