{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Anju"],"funding":["Grantov?? Agentura ??esk?? Republiky"],"pagination":["28098-28118"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8552366"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["6(42)"],"pubmed_abstract":["The development of flexible, lightweight, and thin high-performance electromagnetic interference shielding materials is urgently needed for the protection of humans, the environment, and electronic devices against electromagnetic radiation. To achieve this, the spinel ferrite nanoparticles CoFe<sub>2</sub>O<sub>4</sub> (CZ1), Co<sub>0.67</sub>Zn<sub>0.33</sub>Fe<sub>2</sub>O<sub>4</sub> (CZ2), and Co<sub>0.33</sub>Zn<sub>0.67</sub>Fe<sub>2</sub>O<sub>4</sub> (CZ3) were prepared by the sonochemical synthesis method. Further, these prepared spinel ferrite nanoparticles and reduced graphene oxide (rGO) were embedded in a thermoplastic polyurethane (TPU) matrix. The maximum electromagnetic interference (EMI) total shielding effectiveness (SE<sub>T</sub>) values in the frequency range 8.2-12.4 GHz of these nanocomposites with a thickness of only 0.8 mm were 48.3, 61.8, and 67.8 dB for CZ1-rGO-TPU, CZ2-rGO-TPU, and CZ3-rGO-TPU, respectively. The high-performance electromagnetic interference shielding characteristics of the CZ3-rGO-TPU nanocomposite stem from dipole and interfacial polarization, conduction loss, multiple scattering, eddy current effect, natural resonance, high attenuation constant, and impedance matching. The optimized CZ3-rGO-TPU nanocomposite can be a potential candidate as a lightweight, flexible, thin, and high-performance electromagnetic interference shielding material."],"journal":["ACS omega"],"pubmed_title":["High-Performance, Lightweight, and Flexible Thermoplastic Polyurethane Nanocomposites with Zn<sup>2+</sup>-Substituted CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles and Reduced Graphene Oxide as Shielding Materials against Electromagnetic Pollution."],"pmcid":["PMC8552366"],"funding_grant_id":["GA19-23647S"],"pubmed_authors":["Urbanek M","Potschke P","Krause B","Yadav RS","Anju","Kalina L","Machovsky M","Urbanek P","Kuritka I","Havlica J","Masar M","Jurca M","Vilcakova J","Skoda D","Pionteck J"],"additional_accession":[]},"is_claimable":false,"name":"High-Performance, Lightweight, and Flexible Thermoplastic Polyurethane Nanocomposites with Zn<sup>2+</sup>-Substituted CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles and Reduced Graphene Oxide as Shielding Materials against Electromagnetic Pollution.","description":"The development of flexible, lightweight, and thin high-performance electromagnetic interference shielding materials is urgently needed for the protection of humans, the environment, and electronic devices against electromagnetic radiation. To achieve this, the spinel ferrite nanoparticles CoFe<sub>2</sub>O<sub>4</sub> (CZ1), Co<sub>0.67</sub>Zn<sub>0.33</sub>Fe<sub>2</sub>O<sub>4</sub> (CZ2), and Co<sub>0.33</sub>Zn<sub>0.67</sub>Fe<sub>2</sub>O<sub>4</sub> (CZ3) were prepared by the sonochemical synthesis method. Further, these prepared spinel ferrite nanoparticles and reduced graphene oxide (rGO) were embedded in a thermoplastic polyurethane (TPU) matrix. The maximum electromagnetic interference (EMI) total shielding effectiveness (SE<sub>T</sub>) values in the frequency range 8.2-12.4 GHz of these nanocomposites with a thickness of only 0.8 mm were 48.3, 61.8, and 67.8 dB for CZ1-rGO-TPU, CZ2-rGO-TPU, and CZ3-rGO-TPU, respectively. The high-performance electromagnetic interference shielding characteristics of the CZ3-rGO-TPU nanocomposite stem from dipole and interfacial polarization, conduction loss, multiple scattering, eddy current effect, natural resonance, high attenuation constant, and impedance matching. The optimized CZ3-rGO-TPU nanocomposite can be a potential candidate as a lightweight, flexible, thin, and high-performance electromagnetic interference shielding material.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Oct","modification":"2024-02-15T08:03:48.686Z","creation":"2022-02-11T12:19:14.982Z"},"accession":"S-EPMC8552366","cross_references":{"pubmed":["34723009"],"doi":["10.1021/acsomega.1c04192"]}}