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3D defective graphenes with subnanometric porosity obtained by soft-templating following zeolite procedures

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3D defective graphenes with subnanometric porosity obtained by soft-templating following zeolite procedures

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dc.contributor.author Peng, Lu es_ES
dc.contributor.author Domenech-Carbo, Antonio es_ES
dc.contributor.author Primo Arnau, Ana Maria es_ES
dc.contributor.author García Gómez, Hermenegildo es_ES
dc.date.accessioned 2021-07-07T03:30:57Z
dc.date.available 2021-07-07T03:30:57Z
dc.date.issued 2019-12-01 es_ES
dc.identifier.uri http://hdl.handle.net/10251/168874
dc.description.abstract [EN] By applying the well-known templating mechanism employed for the synthesis of mesoporous silicas to the structuration of sodium alginate, a novel defective 3D tubular graphene material (graphenolite) with hierarchical macro/meso/micro-porous structure, very high powder specific surface area (1820 m2 g¿1) and regular micropore size (0.6 nm) has been obtained. The key feature of the process is the filmogenic property of alginate that is able to replicate the liquid crystal rods formed by the CTAC template in the aqueous phase. The 3D graphene exhibits 2.5 times higher capacitance using Li+ electrolyte compared to K+, indicating that Li+ can ingress to the ultramicropores which, in contrast, are not accessible to K+. Electrochemical impedance measurements also indicate much lower resistance for Li+ in comparison to K+ electrolyte, confirming the benefits of controlled microporosity of 3D graphene granting selective access to Li+, but not to K+. The present report opens the door for the synthesis of a wide range of 3D graphene materials that could be prepared following similar strategies to those employed for the preparation of zeolites and periodic mesoporous aluminosilicates es_ES
dc.description.sponsorship Financial support by the Spanish Ministry of Economy and Competitiveness (Severo Ochoa and RTI2018-98237-CO2-R1) and Generalitat Valenciana (Prometeo 2017-083) is gratefully acknowledged. A.P. thanks the Spanish Ministry of Science and Education for a Ramon y Cajal research associate contract. We are indebted to Dr Miguel Palomino for CO<INF>2</INF> adsorption measurements and Dr Pedro Atienzar for measurement of the electrical conductivity. es_ES
dc.language Inglés es_ES
dc.publisher Royal Society of Chemistry es_ES
dc.relation MINECO/RTI2018-98237-CO2-R1 es_ES
dc.relation.ispartof Nanoscale Advances es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject.classification QUIMICA ORGANICA es_ES
dc.title 3D defective graphenes with subnanometric porosity obtained by soft-templating following zeolite procedures es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1039/C9NA00554D es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//PROMETEO%2F2017%2F083/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química es_ES
dc.description.bibliographicCitation Peng, L.; Domenech-Carbo, A.; Primo Arnau, AM.; García Gómez, H. (2019). 3D defective graphenes with subnanometric porosity obtained by soft-templating following zeolite procedures. Nanoscale Advances. 1(12):4827-4833. https://doi.org/10.1039/C9NA00554D es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1039/C9NA00554D es_ES
dc.description.upvformatpinicio 4827 es_ES
dc.description.upvformatpfin 4833 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 1 es_ES
dc.description.issue 12 es_ES
dc.identifier.eissn 2516-0230 es_ES
dc.relation.pasarela S\437166 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
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