Abstract
Triboelectric nanogenerator (TENG) has generated a lot of attention for developing self‐powered/battery‐free technology. These kinds of energy harvesting devices are required for a sustainable future. In this work, the TENG is developed by using the Terminalia Chebula (T. Chebula) biomaterial as tribopositive material. The physiochemical characterizations suggest that T. Chebula has hydroxyl and carbonyl groups which are important to get tribopositivity from the material. The T. Chebula tribopositive material has been tested for the TENG with different electronegative layers such as polyethylene terephthalate (PET), polytetrafluoroethylene (PTFE), and polydimethylsiloxane (PDMS). The T. Chebula/PTFE device exhibited a higher output performance. This pair was used for the area and frequency‐dependent studies. In the present case, 16 cm2 device area and 5 Hz frequency conditions show outstanding device performance. Furthermore, the device has been employed for operating low‐power electronic devices such as LEDs and a calculator which operated without any degradation. These results suggested that T. Chebula is a potential tribopositive material for sustainable energy harvesting technology.
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