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  Synthesis of dispersible mesoporous nitrogen-doped hollow carbon nanoplates with uniform hexagonal morphologies for supercapacitors

Cao, J., Jafta, C. J., Gong, J., Ran, Q., Lin, X., Félix, R., et al. (2016). Synthesis of dispersible mesoporous nitrogen-doped hollow carbon nanoplates with uniform hexagonal morphologies for supercapacitors. ACS Applied Materials and Interfaces, 8(43), 29628-29636. doi:10.1021/acsami.6b08946.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-002B-BABF-6 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0007-E927-7
Genre: Zeitschriftenartikel

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 Urheber:
Cao, Jie, Autor
Jafta, Charl J., Autor
Gong, Jiang1, Autor           
Ran, Qidi, Autor
Lin, Xianzhong, Autor
Félix, Roberto, Autor
Wilks, Regan G., Autor
Bär, Marcus, Autor
Yuan, Jiayin1, Autor           
Ballauff, Matthias, Autor
Lu, Yan, Autor
Affiliations:
1Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863318              

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 Zusammenfassung: In this study, dispersible mesoporous nitrogen-doped hollow carbon nanoplates have been synthesized as a new anisotropic carbon nanostructure using gibbsite nanoplates as templates. The gibbsite-silica core-shell nanoplates were first prepared before the gibbsite core was etched away. Dopamine as carbon precursor was self-polymerized on the hollow silica nanoplates surface assisted by sonification, which not only favors a homogeneous polymer coating on the nanoplates but also prevents their aggregation during the polymerization. Individual silica-polydopamine core-shell nanoplates were immobilized in a silica gel in an insulated state via a silica nanocasting technique. After pyrolysis in a nanoconfine environment and elimination of silica, discrete and dispersible hollow carbon nanoplates are obtained. The resulting hollow carbon nanoplates bear uniform hexagonal morphology with specific surface area of 460 m2·g−1 and fairly accessible small mesopores (~3.8 nm). They show excellent colloidal stability in aqueous media and are applied as electrode materials for symmetric supercapacitors. When using polyvinylimidazolium-based nanoparticles as a binder in electrodes, the hollow carbon nanoplates present superior performance in parallel to polyvinylidene fluoride (PVDF) binder.

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 Datum: 2016-10-132016
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.1021/acsami.6b08946
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Titel: ACS Applied Materials and Interfaces
  Kurztitel : ACS Appl. Mater. Interfaces
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Washington, DC : American Chemical Society
Seiten: - Band / Heft: 8 (43) Artikelnummer: - Start- / Endseite: 29628 - 29636 Identifikator: ISSN: 1944-8244