Search Results - "Diana M. Fernandes"

Biomass-derived nanoporous carbons as electrocatalysts for oxygen reduction reaction by Fernandes, Diana M., Mestre, Ana S., Martins, Angela, Nunes, Nelson, Carvalho, Ana P., Freire, Cristina

“…[Display omitted] •Nanoporous biomass-derived carbons were successfully applied as ORR ECs.•The electrocatalysts showed good electrocatalytic…”
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Multielectrocatalysis by Layer-by-Layer Films Based on Pararosaniline and Vanadium-Substituted Phosphomolybdate by Fernandes, Diana M, Teixeira, Alexandra, Freire, Cristina

“…Hybrid multilayer films based on the two molecular species pararosaniline (PR) and Keggin-type polyoxometalate K5[PMo11VO40)] (PMo11V) were prepared on…”
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Novel electrochemical sensor based on N-doped carbon nanotubes and Fe3O4 nanoparticles: Simultaneous voltammetric determination of ascorbic acid, dopamine and uric acid by Fernandes, Diana M., Costa, Marta, Pereira, Clara, Bachiller-Baeza, Belén, Rodríguez-Ramos, Inmaculada, Guerrero-Ruiz, Antonio, Freire, Cristina

“…•N-doped carbon nanotubes functionalized with Fe3O4 nanoparticles were successfully prepared.•The nanocomposite was successfully immobilized into GCE…”
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Novel Composite Material Polyoxovanadate@MIL-101(Cr): A Highly Efficient Electrocatalyst for Ascorbic Acid Oxidation by Fernandes, Diana M, Barbosa, André D. S, Pires, João, Balula, Salete S, Cunha-Silva, Luís, Freire, Cristina

“…A novel hybrid composite material, PMo10V2@MIL-101 was prepared by the encapsulation of the tetra-butylammonium (TBA) salt of the vanadium-substituted…”
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Metal-Supported Biochar Catalysts for Sustainable Biorefinery, Electrocatalysis, and Energy Storage Applications: A Review by Rubén Ramos, Víctor K. Abdelkader-Fernández, Renata Matos, Andreia F. Peixoto, Diana M. Fernandes

“…Biochar (BCH) is a carbon-based bio-material produced from thermochemical conversion of biomass. Several activation or functionalization methods are usually…”
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Carbon Nanomaterial–Phosphomolybdate Composites for Oxidative Electrocatalysis by Fernandes, Diana M., Freire, Cristina

“…Novel hybrid nanocomposites based on the immobilisation of tetrabutylammonium salts of phosphomolybdates (PMo12, PMo11, PMo11V, and PMo10V2) on single‐walled…”
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Metal Oxide (Co 3 O 4 and Mn 3 O 4 ) Impregnation into S, N-doped Graphene for Oxygen Reduction Reaction (ORR) by Mathumba, Penny, Fernandes, Diana M, Matos, Renata, Iwuoha, Emmanuel I, Freire, Cristina

“…To address aggravating environmental and energy problems, active, efficient, low-cost, and robust electrocatalysts (ECs) are actively pursued as substitutes…”
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Nanocomposites Prepared from Carbon Nanotubes and the Transition Metal Dichalcogenides WS2 and MoS2 via Surfactant-Assisted Dispersions as Electrocatalysts for Oxygen Reactions by Ferreira, Pedro, Abreu, Bárbara, Freire, Cristina, Fernandes, Diana M., Marques, Eduardo F.

“…Fuel cells are emerging devices as clean and renewable energy sources, provided their efficiency is increased. In this work, we prepared nanocomposites based…”
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Oxygen Evolution Reaction Electrocatalytic Improvement in POM@ZIF Nanocomposites: A Bidirectional Synergistic Effect by Abdelkader-Fernández, Víctor K, Fernandes, Diana M, Balula, Salete S, Cunha-Silva, Luís, Freire, Cristina

“…A bidirectional synergy involving Co-based polyoxometalates (POMs) incorporated in the Co-containing zeolitic imidazolate framework, ZIF-67, that promoted a…”
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Enhanced Oxygen Reduction Reaction Activity of the Wells‐Dawson Polyoxometalate P2W12Mo6 Immobilised in Nitrogen and Sulphur‐Doped Carbon Nanomaterials by Novais, Hugo C., Jarrais, Bruno, Mbomekallé, Israël‐Martyr, Teillout, Anne‐Lucie, Oliveira, Pedro, Freire, Cristina, Fernandes, Diana M.

“…As the world faces an escalating energy crisis, the necessity of adopting alternative energy sources becomes increasingly evident. Despite challenges, the…”
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Cobalt Phosphotungstate-Based Composites as Bifunctional Electrocatalysts for Oxygen Reactions by Ndrina Limani, Inês S. Marques, Bruno Jarrais, António J. S. Fernandes, Cristina Freire, Diana M. Fernandes

“…The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are key reactions in energy-converting systems, such as fuel cells (FCs) and…”
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Synergetic Effects of Mixed-Metal Polyoxometalates@Carbon-Based Composites as Electrocatalysts for the Oxygen Reduction and the Oxygen Evolution Reactions by Inês S. Marques, Bruno Jarrais, Israël-Martyr Mbomekallé, Anne-Lucie Teillout, Pedro de Oliveira, Cristina Freire, Diana M. Fernandes

“…The smart choice of polyoxometalates (POMs) and the design of POM@carbon-based composites are promising tools for producing active electrocatalysts for both…”
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Hybrids Composed of an Fe-Containing Wells–Dawson Polyoxometalate and Carbon Nanomaterials as Promising Electrocatalysts for the Oxygen Reduction Reaction by Novais, Hugo C., Jarrais, Bruno, Mbomekallé, Israël-Martyr, Teillout, Anne-Lucie, Oliveira, Pedro de, Freire, Cristina, Fernandes, Diana M.

“…The oxygen reduction reaction (ORR) is a key cathodic reaction in energy-converting systems, such as fuel cells (FCs). Thus, it is of utmost importance to…”
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PMo11V@N-CNT electrochemical properties and its application as electrochemical sensor for determination of acetaminophen by Fernandes, Diana M., Nunes, Marta, Bachiller-Baeza, Belén, Rodríguez-Ramos, Inmaculada, Guerrero-Ruiz, Antonio, Delerue-Matos, Cristina, Freire, Cristina

“…A polyoxometalate-nanocarbon composite, PMo 11 V@N-CNT, was prepared by a simple procedure which consisted of the immobilization of phosphovanadomolybdate (PMo…”
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The Role of the Precursor on the Electrochemical Performance of N,S Co-Doped Graphene Electrodes in Aqueous Electrolytes by Braga, Rodrigo, Fernandes, Diana M., Adán-Más, Alberto, Silva, Teresa M., Montemor, M. F.

“…The introduction of pillared agents or dopants to the graphene used as the electroactive material in supercapacitor electrodes can be an efficient way to…”
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Magnetoliposomes with Calcium-Doped Magnesium Ferrites Anchored in the Lipid Surface for Enhanced DOX Release by Cardoso, Beatriz D, Fernandes, Diana E. M, Amorim, Carlos O, Amaral, Vítor S, Coutinho, Paulo J. G, Rodrigues, Ana Rita O, Castanheira, Elisabete M. S

“…Nanotechnology has provided a new insight into cancer treatment by enabling the development of nanocarriers for the encapsulation, transport, and controlled…”
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POM & MOF‐based Electrocatalysts for Energy‐related Reactions by Freire, Cristina, Fernandes, Diana M., Nunes, Marta, Abdelkader, Victor K.

“…Electrocatalysis plays a central role in clean energy conversion, enabling a number of sustainable processes for future technologies and the development of…”
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Novel synthesis of highly catalytic active Cu@Ni/RGO nanocomposite for efficient hydrogenation of 4-nitrophenol organic pollutant by Krishna, Rahul, Fernandes, Diana M., Ventura, João, Freire, Cristina, Titus, Elby

“…A novel method for the synthesis of non-noble metal based catalyst, copper–nickel-reduced graphene oxide (Cu@Ni/RGO) is established using two step methodology…”
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Polarized Bimetallic Site Synergy in Ionic Structures of Cu(II), Fe(III), and Mn(III) Porphyrins: Electrochemistry and Catalytic Hydrogenation of Nitroaromatics by Corrêa, Gabriela A., Kuźniarska-Biernacka, Iwona, Fernandes, Diana M., Rebelo, Susana L. H.

“…Binuclear catalytic sites attained in a controlled way with complementary and cooperative metal ion centers are highly relevant in the development of new or…”
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A critical assessment of the role of ionic surfactants in the exfoliation and stabilization of 2D nanosheets: The case of the transition metal dichalcogenides MoS2, WS2 and MoSe2 by Abreu, Bárbara, Almeida, Bernardo, Ferreira, Pedro, M. F. Fernandes, Ricardo, Fernandes, Diana M., Marques, Eduardo F.

“…[Display omitted] Transition metal dichalcogenides (TMDs), like other two-dimensional layered materials beyond graphene, have gained enormous interest in…”
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