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| Title | Performance Optimization Of Mos2-Doped Pvdf-Hfp Nanofiber Triboelectric Nanogenerator As Sensing Technology For Smart Cities |
|---|---|
| ID_Doc | 41847 |
| Authors | Amrutha B.; Yoon J.U.; Woo I.; Gajula P.; Prabu A.A.; Bae J.W. |
| Year | 2024 |
| Published | Applied Materials Today, 41 |
| DOI | http://dx.doi.org/10.1016/j.apmt.2024.102503 |
| Abstract | The greatest potential for resolving today's energy crisis caused by social globalization is the invention of nanogenerators. Triboelectric nanogenerators (TENGs) are among the most advanced and promising technologies because of their simple and affordable device design. TENGs can capture mechanical energy from our surroundings. Herein, we fabricated a TENG device using a novel MoS2-doped poly (vinylidene fluoride-co hexafluoropropylene) (PVDF-HFP) electrospun fiber and amino-functionalized reduced graphene oxide-doped polyurethane (PU/A-rGO) electrospun fiber as tribonegative and tribopositive materials, respectively. The concentration of MoS2 nanofiller doping in PVDF-HFP fiber was varied to study and optimize the output performance of TENG. The highest open circuit potential of 150 V, short circuit current of 4.2 μA, and power density of 0.17 Wm−2 are displayed by the 3 wt% MoS2 filled PVDF-HFP and 2 wt% A-rGO-doped PU-based (3PHM-PU/2A-rGO) TENG device. The surface potential of the 3PHM fiber showed a saturation reading of -832 V, which is 4.3 times greater than that of 0PHM fiber (0PHM -190 V). Lastly, the TENG device is used to demonstrate practical and instantaneous applications like LED lighting and the operation of portable electronics by harvesting mechanical energy. Furthermore, the TENG device shows a lot of potential in using smart streetlight sensor applications. © 2024 Elsevier Ltd |
| Author Keywords | Electrospinning; Molybdenum (IV) sulfide; Poly (vinylidene fluoride-co hexafluoropropylene); Polyurethane; Triboelectric nanogenerator |
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