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Hydrothermal-Freeze-Casting of Poly(amidoamine)-Modified Graphene Aerogels towards CO2 Adsorption

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Hydrothermal-Freeze-Casting of Poly(amidoamine)-Modified Graphene Aerogels towards CO2 Adsorption

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dc.contributor.author Pruna, Alina Iuliana es_ES
dc.contributor.author Cárcel, Alfonso Cristóbal es_ES
dc.contributor.author Benedito, Adolfo es_ES
dc.contributor.author Giménez Torres, Enrique es_ES
dc.date.accessioned 2022-10-06T18:05:56Z
dc.date.available 2022-10-06T18:05:56Z
dc.date.issued 2021-09 es_ES
dc.identifier.uri http://hdl.handle.net/10251/187203
dc.description.abstract [EN] This article presents novel poly(amidoamine) (PAMAM) dendrimer-modified with partially-reduced graphene oxide (rGO) aerogels, obtained using the combined solvothermal synthesis-freeze-casting approach. The properties of modified aerogels are investigated with varying synthesis conditions, such as dendrimer generation (G), GO:PAMAM wt. ratio, solvothermal temperature, and freeze-casting rate. Scanning electron microscopy, Fourier Transform Infrared spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy are employed to characterize the aerogels. The results indicate a strong correlation of the synthesis conditions with N content, N/C ratio, and nitrogen contributions in the modified aerogels. Our results show that the best CO2 adsorption performance was exhibited by the aerogels modified with higher generation (G7) dendrimer at low GO:PAMAM ratio as 2:0.1 mg mL(-1) and obtained at higher solvothermal temperature and freeze-casting in liquid nitrogen. The enclosed results are indicative of a viable approach to modify graphene aerogels towards improving the CO2 capture. es_ES
dc.description.sponsorship This research was supported by European Commission through the GRAMOFON project, contract No. H2020-LCE-24-2016-727619. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof International Journal of Molecular Sciences es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Dendrimer es_ES
dc.subject Graphene oxide es_ES
dc.subject Hydrothermal synthesis es_ES
dc.subject Aerogel es_ES
dc.subject Adsorption es_ES
dc.subject.classification CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA es_ES
dc.title Hydrothermal-Freeze-Casting of Poly(amidoamine)-Modified Graphene Aerogels towards CO2 Adsorption es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/ijms22179333 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/727619/EU es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials es_ES
dc.description.bibliographicCitation Pruna, AI.; Cárcel, AC.; Benedito, A.; Giménez Torres, E. (2021). Hydrothermal-Freeze-Casting of Poly(amidoamine)-Modified Graphene Aerogels towards CO2 Adsorption. International Journal of Molecular Sciences. 22(17):1-15. https://doi.org/10.3390/ijms22179333 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/ijms22179333 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 15 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 22 es_ES
dc.description.issue 17 es_ES
dc.identifier.eissn 1422-0067 es_ES
dc.identifier.pmid 34502241 es_ES
dc.identifier.pmcid PMC8431461 es_ES
dc.relation.pasarela S\446173 es_ES
dc.contributor.funder European Commission es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
upv.costeAPC 1623,08 es_ES


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