{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T19:32:40Z","timestamp":1790105560229,"version":"4.0.1"},"reference-count":53,"publisher":"Wiley","issue":"19","license":[{"start":{"date-parts":[[2024,7,11]],"date-time":"2024-07-11T00:00:00Z","timestamp":1720656000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Macromol. Rapid Commun."],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    In this study, a highly efficient, sensitive, and lightweight piezoelectric nanogenerator (PENG) is developed using graphene nanoribbons (GNRs) incorporated into the polyvinylidene fluoride (PVDF) matrix. Unzipping multi\u2010walled carbon nanotubes is an effective and scalable strategy for synthesizing graphene nanoribbons. The synthesized GNRs are employed to prepare nanometer\u2010scale piezoelectric polymer composite films showing higher piezoelectric performance than neat PVDF. The impact of GNR concentration in the PVDF matrix on the electroactive phase content and piezoelectric properties of the composites is systematically investigated. X\u2010ray diffraction (XRD) and Fourier\u2010transformed infrared spectroscopy (FT\u2010IR) analysis demonstrate an increase in the electroactive \u03b2 and \u03b3 phases of PVDF by incorporating GNRs in the composites. With the optimized concentration of GNRs (1 wt%), the fabricated piezoelectric device can generate open\u2010circuit voltage and an output power density of 26\u00a0V and 16.52 \u00b5Wcm\n                    <jats:sup>2<\/jats:sup>\n                    , respectively. It is also found that the PVDF\u2010GNR 1 nanogenerator can be used to generate electrical power by converting mechanical energy from different human activities such as wrist bending, palm tapping, and toe tapping. The findings indicate that (PVDF\u2010GNR 1) PENG\u00a0can be applied in self\u2010powered portable and wearable electronic devices.\n                  <\/jats:p>","DOI":"10.1002\/marc.202400360","type":"journal-article","created":{"date-parts":[[2024,7,11]],"date-time":"2024-07-11T14:39:26Z","timestamp":1720708766000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["High Performance Piezoelectric Nanogenerators Based on Polyvinylidene Fluoride\u2010Graphene Nanoribbon Composite Thin Films"],"prefix":"10.1002","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4438-0896","authenticated-orcid":false,"given":"Se\u00e7il Peker","family":"Ad\u0131g\u00fczel","sequence":"first","affiliation":[{"name":"Istanbul University\u2010Cerrahpa\u015fa Engineering Faculty, Department of Chemical Engineering  Avcilar Istanbul 34320 Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9927-0315","authenticated-orcid":false,"given":"Nevra","family":"Ercan","sequence":"additional","affiliation":[{"name":"Istanbul University\u2010Cerrahpa\u015fa Engineering Faculty, Department of Chemical Engineering  Avcilar Istanbul 34320 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