Search Results - "Paredes, J.I."

High quality, low oxygen content and biocompatible graphene nanosheets obtained by anodic exfoliation of different graphite types by Munuera, J.M., Paredes, J.I., Villar-Rodil, S., Ayán-Varela, M., Pagán, A., Aznar-Cervantes, S.D., Cenis, J.L., Martínez-Alonso, A., Tascón, J.M.D.

“…Anodic exfoliation of graphite has emerged as an attractive method to access graphene nanosheets in large quantities, but oxidation reactions associated to…”
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High-throughput production of pristine graphene in an aqueous dispersion assisted by non-ionic surfactants by Guardia, L., Fernández-Merino, M.J., Paredes, J.I., Solís-Fernández, P., Villar-Rodil, S., Martínez-Alonso, A., Tascón, J.M.D.

“…The preparation of aqueous graphene dispersions by exfoliation of pristine graphite in the presence of a wide range of surfactants is reported. High graphene…”
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Effect of nanostructure on the supercapacitor performance of activated carbon xerogels obtained from hydrothermally carbonized glucose-graphene oxide hybrids by Enterría, M., Martín-Jimeno, F.J., Suárez-García, F., Paredes, J.I., Pereira, M.F.R., Martins, J.I., Martínez-Alonso, A., Tascón, J.M.D., Figueiredo, J.L.

“…Activated carbon xerogels with a cellular morphology were obtained from hydrothermally carbonized glucose-graphene oxide (GO) hybrids and tested as…”
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Activated carbon xerogels with a cellular morphology derived from hydrothermally carbonized glucose-graphene oxide hybrids and their performance towards CO2 and dye adsorption by Martín-Jimeno, F.J., Suárez-García, F., Paredes, J.I., Martínez-Alonso, A., Tascón, J.M.D.

“…We report the preparation of micro-/mesoporous carbon monolithic xerogels by means of a two-step approach that comprises (1) hydrothermal carbonization of…”
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A simple strategy to improve the yield of graphene nanosheets in the anodic exfoliation of graphite foil by Munuera, J.M., Paredes, J.I., Villar-Rodil, S., Martínez-Alonso, A., Tascón, J.M.D.

“…Strategies that improve the yield of graphene nanosheets in anodic exfoliation processes are desirable for the mass production of this material. Here, a simple…”
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A quantitative analysis of the dispersion behavior of reduced graphene oxide in solvents by Ayán-Varela, M., Paredes, J.I., Villar-Rodil, S., Rozada, R., Martínez-Alonso, A., Tascón, J.M.D.

“…Detailed knowledge of the dispersion behavior of reduced graphene oxide (RGO) in solvents is important for its practical applications. Such behavior is…”
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Efficient Pt electrocatalysts supported onto flavin mononucleotide–exfoliated pristine graphene for the methanol oxidation reaction by Ayán-Varela, M., Ruiz-Rosas, R., Villar-Rodil, S., Paredes, J.I., Cazorla-Amorós, D., Morallón, E., Martínez-Alonso, A., Tascón, J.M.D.

“…Due to its large surface area, high electrical conductivity as well as mechanical and thermal stability, pristine graphene has the potential to be an excellent…”
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Investigating the influence of surfactants on the stabilization of aqueous reduced graphene oxide dispersions and the characteristics of their composite films by Fernández-Merino, M.J., Paredes, J.I., Villar-Rodil, S., Guardia, L., Solís-Fernández, P., Salinas-Torres, D., Cazorla-Amorós, D., Morallón, E., Martínez-Alonso, A., Tascón, J.M.D.

“…The stabilization of reduced graphene oxide (RGO) sheets in aqueous dispersion using a wide range of surfactants of anionic, non-ionic and zwitterionic type…”
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A direct route to activated two-dimensional cobalt oxide nanosheets for electrochemical energy storage, catalytic and environmental applications by Munuera, J.M., Paredes, J.I., Villar-Rodil, S., García-Dalí, S., Castro-Muñiz, A., Martínez-Alonso, A., Tascón, J.M.D.

“…A direct route for the synthesis of activated Co3O4 nanosheets that avoids the need for reduction post-treatments is reported for the first time. Our strategy…”
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Identifying efficient natural bioreductants for the preparation of graphene and graphene-metal nanoparticle hybrids with enhanced catalytic activity from graphite oxide by Fernández-Merino, M.J., Villar-Rodil, S., Paredes, J.I., Solís-Fernández, P., Guardia, L., García, R., Martínez-Alonso, A., Tascón, J.M.D.

“…The implementation of green approaches towards the preparation of graphene and graphene-based materials with enhanced functionality from graphite oxide has…”
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Controlled generation of atomic vacancies in chemical vapor deposited graphene by microwave oxygen plasma by Rozada, R., Solís-Fernández, P., Paredes, J.I., Martínez-Alonso, A., Ago, H., Tascón, J.M.D.

“…The introduction of atomic-scale defects in a controllable manner and the understanding of their effect on the characteristics of graphene are essential to…”
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Oxygen plasma modification of pitch-based isotropic carbon fibres by Boudou, J.P, Paredes, J.I, Cuesta, A, Martı́nez-Alonso, A, Tascón, J.M.D

“…An isotropic carbon fibre was surface-treated by microwave oxygen plasma at different conditions and characterised by scanning electron microscopy (SEM),…”
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Determining the thickness of chemically modified graphenes by scanning probe microscopy by Solís-Fernández, P., Paredes, J.I., Villar-Rodil, S., Martínez-Alonso, A., Tascón, J.M.D.

“…The thickness of unreduced and chemically reduced graphene oxide sheets deposited on different substrates was measured by different scanning probe microscopy…”
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A comparison between physically and chemically driven etching in the oxidation of graphite surfaces by Solís-Fernández, P., Paredes, J.I., Cosío, A., Martínez-Alonso, A., Tascón, J.M.D.

“…Scanning tunneling microscopy imaging of selective and non-selective etching processes in the oxidation of graphite surfaces. The etching of graphite surfaces…”
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Tailoring of the interfacial properties of polymeric single fibre-reinforced epoxy composites by non-oxidative plasma treatments by Tamargo-Martínez, K., Martínez-Alonso, A., Gracia, M., Paredes, J.I., Tascón, J.M.D., Montes-Morán, M.A.

“…The interfacial properties of epoxy composites reinforced with a single, plasma-treated fibre of either poly(p-phenyleneterephthalamide) (PPTA) or…”
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Preparation, characterization and fundamental studies on graphenes by liquid-phase processing of graphite by Paredes, J.I., Villar-Rodil, S., Solís-Fernández, P., Fernández-Merino, M.J., Guardia, L., Martínez-Alonso, A., Tascón, J.M.D.

“…► We overview recent developments in the liquid-phase processing of graphite and graphite derivatives for the mass production of graphene. ► Processing of…”
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Application of scanning tunneling and atomic force microscopies to the characterization of microporous and mesoporous materials by Paredes, J.I, Martı́nez-Alonso, A, Tascón, J.M.D

“…In the last 20 years, the development of scanning probe microscopies (SPM), and particularly of scanning tunneling and atomic force microscopies (STM/AFM), has…”
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Surface modification of high-performance polymeric fibers by an oxygen plasma. A comparative study of poly( p-phenylene terephthalamide) and poly( p-phenylene benzobisoxazole) by Tamargo-Martínez, K., Martínez-Alonso, A., Villar-Rodil, S., Paredes, J.I., Montes-Morán, M.A., Tascón, J.M.D.

“…Poly( p-phenylene terephthalamide) (PPTA) and poly( p-phenylene benzobisoxazole) (PBO) fibers were exposed to an oxygen plasma under equivalent conditions. The…”
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Carbon molecular sieve cloths prepared by chemical vapour deposition of methane for separation of gas mixtures by Villar-Rodil, S., Navarrete, R., Denoyel, R., Albiniak, A., Paredes, J.I., Martínez-Alonso, A., Tascón, J.M.D.

“…Microporous carbon molecular sieves for separating gaseous mixtures have been prepared through chemical vapour deposition (CVD) of methane on activated carbon…”
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Imaging the structure and porosity of active carbons by scanning tunneling microscopy by Paredes, J.I., Martínez-Alonso, A., Hou, P.-X., Kyotani, T., Tascón, J.M.D.

“…Scanning tunneling microscopy (STM) has been employed for a comparative structural characterization, down to the atomic scale, of a representative set of…”
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