Fabrication of CuO-NP-Doped PVDF Composites Based Electrospun Triboelectric Nanogenerators for Wearable and Biomedical Applications
A flexible and portable triboelectric nanogenerator (TENG) based on electrospun polyvinylidene fluoride (PVDF) doped with copper oxide (CuO) nanoparticles (NPs, 2, 4, 6, 8, and 10 wt.-% w.r.t. PVDF content) was fabricated. The structural and crystalline properties of the as-prepared PVDF-CuO composi...
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| Veröffentlicht in: | Polymers 2023-05, Vol.15 (11), p.2442 |
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| creator | Amrutha, Bindhu Prasad, Gajula Sathiyanathan, Ponnan Reza, Mohammad Shamim Kim, Hongdoo Pathak, Madhvesh Prabu, Arun Anand |
| description | A flexible and portable triboelectric nanogenerator (TENG) based on electrospun polyvinylidene fluoride (PVDF) doped with copper oxide (CuO) nanoparticles (NPs, 2, 4, 6, 8, and 10 wt.-% w.r.t. PVDF content) was fabricated. The structural and crystalline properties of the as-prepared PVDF-CuO composite membranes were characterized using SEM, FTIR, and XRD. To fabricate the TENG device, the PVDF-CuO was considered a tribo-negative film and the polyurethane (PU) a counter-positive film. The output voltage of the TENG was analyzed using a custom-made dynamic pressure setup, under a constant load of 1.0 kgf and 1.0 Hz frequency. The neat PVDF/PU showed only 1.7 V, which further increased up to 7.5 V when increasing the CuO contents from 2 to 8 wt.-%. A decrease in output voltage to 3.9 V was observed for 10 wt.-% CuO. Based on the above results, further measurements were carried out using the optimal sample (8 wt.-% CuO). Its output voltage performance was evaluated as a function of varying load (1 to 3 kgf) and frequency (0.1 to 1.0 Hz) conditions. Finally, the optimized device was demonstrated in real-time wearable sensor applications, such as human motion and health-monitoring applications (respiration and heart rate). |
| doi_str_mv | 10.3390/polym15112442 |
| format | Article |
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PVDF content) was fabricated. The structural and crystalline properties of the as-prepared PVDF-CuO composite membranes were characterized using SEM, FTIR, and XRD. To fabricate the TENG device, the PVDF-CuO was considered a tribo-negative film and the polyurethane (PU) a counter-positive film. The output voltage of the TENG was analyzed using a custom-made dynamic pressure setup, under a constant load of 1.0 kgf and 1.0 Hz frequency. The neat PVDF/PU showed only 1.7 V, which further increased up to 7.5 V when increasing the CuO contents from 2 to 8 wt.-%. A decrease in output voltage to 3.9 V was observed for 10 wt.-% CuO. Based on the above results, further measurements were carried out using the optimal sample (8 wt.-% CuO). Its output voltage performance was evaluated as a function of varying load (1 to 3 kgf) and frequency (0.1 to 1.0 Hz) conditions. Finally, the optimized device was demonstrated in real-time wearable sensor applications, such as human motion and health-monitoring applications (respiration and heart rate).</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym15112442</identifier><identifier>PMID: 37299242</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Biomedical materials ; Composite materials ; Copper oxide ; Copper oxides ; Cuprite ; Diffraction ; Dynamic pressure ; Electric generators ; Electric potential ; Energy ; Fourier transform infrared spectroscopy ; Heart rate ; Human motion ; Methods ; Molecular weight ; Nanogenerators ; Nanoparticles ; Nanowires ; Polyethylene terephthalate ; Polymers ; Polyurethane resins ; Polyvinylidene fluoride ; Polyvinylidene fluorides ; Properties ; Quantum dots ; Scanning microscopy ; Sensors ; Structure ; Voltage ; Wearable technology ; X-rays</subject><ispartof>Polymers, 2023-05, Vol.15 (11), p.2442</ispartof><rights>COPYRIGHT 2023 MDPI AG</rights><rights>2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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PVDF content) was fabricated. The structural and crystalline properties of the as-prepared PVDF-CuO composite membranes were characterized using SEM, FTIR, and XRD. To fabricate the TENG device, the PVDF-CuO was considered a tribo-negative film and the polyurethane (PU) a counter-positive film. The output voltage of the TENG was analyzed using a custom-made dynamic pressure setup, under a constant load of 1.0 kgf and 1.0 Hz frequency. The neat PVDF/PU showed only 1.7 V, which further increased up to 7.5 V when increasing the CuO contents from 2 to 8 wt.-%. A decrease in output voltage to 3.9 V was observed for 10 wt.-% CuO. Based on the above results, further measurements were carried out using the optimal sample (8 wt.-% CuO). Its output voltage performance was evaluated as a function of varying load (1 to 3 kgf) and frequency (0.1 to 1.0 Hz) conditions. Finally, the optimized device was demonstrated in real-time wearable sensor applications, such as human motion and health-monitoring applications (respiration and heart rate).</description><subject>Biomedical materials</subject><subject>Composite materials</subject><subject>Copper oxide</subject><subject>Copper oxides</subject><subject>Cuprite</subject><subject>Diffraction</subject><subject>Dynamic pressure</subject><subject>Electric generators</subject><subject>Electric potential</subject><subject>Energy</subject><subject>Fourier transform infrared spectroscopy</subject><subject>Heart rate</subject><subject>Human motion</subject><subject>Methods</subject><subject>Molecular weight</subject><subject>Nanogenerators</subject><subject>Nanoparticles</subject><subject>Nanowires</subject><subject>Polyethylene terephthalate</subject><subject>Polymers</subject><subject>Polyurethane resins</subject><subject>Polyvinylidene fluoride</subject><subject>Polyvinylidene fluorides</subject><subject>Properties</subject><subject>Quantum dots</subject><subject>Scanning microscopy</subject><subject>Sensors</subject><subject>Structure</subject><subject>Voltage</subject><subject>Wearable technology</subject><subject>X-rays</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdUs9vFCEYnRiNbWqPXg2JFy_T8nOYPZnttmtNmraHqkfCMB8rDQMjzJj07D8u212bVjhAHo_3vg9eVb0n-ISxBT4do38YiCCEck5fVYcUS1Zz1uDXz_YH1XHO97gMLpqGyLfVAZN0saCcHlZ_1rpLzujJxYCiRav5pr6-rc_jCD26_X6-Rqs4jDG7CTI607mgFx7MlGIe54DukusiPALOoGsd4gYCJD3FlJGNCf0AnXTnAenQozMXB-iLm0fLcfR72_yuemO1z3C8X4-qb-uLu9VlfXXz5etqeVUbLsRU85Y2AvfC4l73sqcc804IanXDLWDTCKO5JW1rWCuFINy0WhADciFpKy3n7Kj6vNMd567UYSBMSXs1Jjfo9KCidurlSXA_1Sb-VgRTISTDReHTXiHFXzPkSQ0uG_BeB4hzVrSlvFmw8syF-vE_6n2cUyj9PbIwYbLZCp7sWBvtQblgYzE2ZfYwOBMDWFfwpRSUy6YlW9l6d8GUH8gJ7FP5BKttJtSLTBT-h-c9P7H_JYD9BVKJs1o</recordid><startdate>20230525</startdate><enddate>20230525</enddate><creator>Amrutha, Bindhu</creator><creator>Prasad, Gajula</creator><creator>Sathiyanathan, Ponnan</creator><creator>Reza, Mohammad Shamim</creator><creator>Kim, Hongdoo</creator><creator>Pathak, Madhvesh</creator><creator>Prabu, Arun Anand</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-4274-9725</orcidid><orcidid>https://orcid.org/0000-0001-9340-3340</orcidid><orcidid>https://orcid.org/0000-0001-5095-4820</orcidid></search><sort><creationdate>20230525</creationdate><title>Fabrication of CuO-NP-Doped PVDF Composites Based Electrospun Triboelectric Nanogenerators for Wearable and Biomedical Applications</title><author>Amrutha, Bindhu ; 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PVDF content) was fabricated. The structural and crystalline properties of the as-prepared PVDF-CuO composite membranes were characterized using SEM, FTIR, and XRD. To fabricate the TENG device, the PVDF-CuO was considered a tribo-negative film and the polyurethane (PU) a counter-positive film. The output voltage of the TENG was analyzed using a custom-made dynamic pressure setup, under a constant load of 1.0 kgf and 1.0 Hz frequency. The neat PVDF/PU showed only 1.7 V, which further increased up to 7.5 V when increasing the CuO contents from 2 to 8 wt.-%. A decrease in output voltage to 3.9 V was observed for 10 wt.-% CuO. Based on the above results, further measurements were carried out using the optimal sample (8 wt.-% CuO). Its output voltage performance was evaluated as a function of varying load (1 to 3 kgf) and frequency (0.1 to 1.0 Hz) conditions. Finally, the optimized device was demonstrated in real-time wearable sensor applications, such as human motion and health-monitoring applications (respiration and heart rate).</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>37299242</pmid><doi>10.3390/polym15112442</doi><orcidid>https://orcid.org/0000-0003-4274-9725</orcidid><orcidid>https://orcid.org/0000-0001-9340-3340</orcidid><orcidid>https://orcid.org/0000-0001-5095-4820</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Biomedical materials Composite materials Copper oxide Copper oxides Cuprite Diffraction Dynamic pressure Electric generators Electric potential Energy Fourier transform infrared spectroscopy Heart rate Human motion Methods Molecular weight Nanogenerators Nanoparticles Nanowires Polyethylene terephthalate Polymers Polyurethane resins Polyvinylidene fluoride Polyvinylidene fluorides Properties Quantum dots Scanning microscopy Sensors Structure Voltage Wearable technology X-rays |
| title | Fabrication of CuO-NP-Doped PVDF Composites Based Electrospun Triboelectric Nanogenerators for Wearable and Biomedical Applications |
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