Search Results - "Winnischofer, Herbert"

The electrochemical impedance spectroscopy behavior of poly(aniline) nanocomposite electrodes modified by Layer-by-Layer deposition by Marchesi, Luís F., Jacumasso, Sheila C., Quintanilha, Ronaldo C., Winnischofer, Herbert, Vidotti, Marcio

“…[Display omitted] In this manuscript we describe the EIS characterization of electrodes modified by poly(aniline) nanocomposites using the layer-by-layer…”
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Chemical Synthesis and Structural Characterization of Highly Disordered Ni Colloidal Nanoparticles by Winnischofer, Herbert, Rocha, Tulio C. R, Nunes, Wallace C, Socolovsky, Leandro M, Knobel, Marcelo, Zanchet, Daniela

“…This work focuses on synthetic methods to produce monodisperse Ni colloidal nanoparticles (NPs), in the 4−16 nm size range, and their structural…”
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Hybrid heterostructured Langmuir-Blodgett films based on graphene and triruthenium clusters as electrode for energy storage devices by Pérez Mendoza, Alejandro E., Schmidt, Ariane, Cavazzini Cesca, Elizangela, Westphal, Eduard, Serbena, José P.M., Orth, Elisa S., Zarbin, Aldo J.G., Winnischofer, Herbert

“…The design of electrodes with highly exposed electroactive sites and improved charge transport that overcomes the current limitations of pseudocapacitors may…”
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Amperometric sensor for glucose based on electrochemically polymerized tetraruthenated nickel-porphyrin by Quintino, Maria do Socorro Maia, Winnischofer, Herbert, Nakamura, Marcelo, Araki, Koiti, Toma, Henrique Eisi, Angnes, Lúcio

“…Glassy carbon and gold electrodes were modified with tetraruthenated Ni-porphyrin by electropolymerization in alkaline medium and characterized by cyclic…”
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Electrocatalytic activity of a new nanostructured polymeric tetraruthenated porphyrin film for nitrite detection by Winnischofer, Herbert, de Souza Lima, Simone, Araki, Koiti, Toma, Henrique Eisi

“…The preparation of the monomer and thin films of a new polymeric tetraruthenated porphyrin material and their characterization by spectroscopic and…”
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Cobalt oxide/tetraruthenated cobalt-porphyrin composite for hydrogen peroxide amperometric sensors by Quintino, Maria S M, Winnischofer, Herbert, Araki, Koiti, Toma, Henrique E, Angnes, Lúcio

“…A new composite material constituted by mu-{5,10,15,20-tetra(4-pyridyl)porphyrinato cobalt(iii)}-tetrakis-{chloro-bis-(2,2'-bipyridine)ruthenium(ii)} complex…”
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Supramolecular tetracluster-cobalt porphyrin: a four-electron transfer catalyst for dioxygen reduction by Winnischofer, Herbert, Otake, Vésper Yoshiyuki, Dovidauskas, Sergio, Nakamura, Marcelo, Toma, Henrique Eisi, Araki, Koiti

“…Electrocatalysis by CoTCP {CoTCP = meso-tetrakis(4-pyridyl)porphynatocobalt(III)} coordinated to four [Ru 3(μ 3-O)(μ 2-CH 3CO 2) 6(py) 2] + complexes in the…”
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Acid−Base and Spectroelectrochemical Properties of Doubly N-Confused Porphyrins by Araki, Koiti, Winnischofer, Herbert, Toma, Henrique E, Maeda, Hiromitsu, Osuka, Atsuhiro, Furuta, Hiroyuki

“…The cis-doubly N-confused porphyrin, H2N2CP, containing two adjacent confused pyrrole rings has been investigated from the point of view of its acid−base and…”
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Interfacial characterization and supercapacitive behavior of PEDOT nanotubes modified electrodes by Hryniewicz, Bruna M., Winnischofer, Herbert, Vidotti, Marcio

“…PEDOT nanotubes were chemically synthesized using a hexane/water reverse microemulsion polymerization and deposited onto ITO substrate. FTIR polarized specular…”
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Influence of electrosynthesis methods in the electrocatalytical and morphological properties of cobalt and nickel hexacyanoferrate films by Rossi, Thais Schroeder, Tenório, Luciane Novaes, Guedes-Sobrinho, Diego, Winnischofer, Herbert, Vidotti, Marcio

“…Prussian Blue analogues (PBA) based on Cobalt and Nickel thin films were assembled by two distinct methodologies using direct electroprecipitation on the…”
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Understanding the Electrochemistry of Ruthenium Complex Thin Films to Guide the Design of Improved Energy Storage Electrodes by Pérez Mendoza, Alejandro E, Winnischofer, Herbert

“…Materials with fast charge transfer processes across electrochemical interfaces could exhibit a pseudocapacitive behavior, which is promising to achieve both…”
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Acid–base and spectroscopic properties of a novel supramolecular porphyrin bonded to four pentacyanoferrate(II) groups by Winnischofer, Herbert, Engelmann, Fábio M, Toma, Henrique Eisi, Araki, Koiti, Rechenberg, Hercı́lio R

“…The synthesis and characterization of a new supermolecular porphyrin obtained by the coordination of four pentacyanoferrate(II) groups to the pyridyl N-atoms…”
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Anisotropic behavior of layer-by-layer films using highly disordered copper hexacyanoferrate(II) nanoparticles by Soek, Rafael N., Schmidt, Ariane, Winnischofer, Herbert, Vidotti, Marcio

“…[Display omitted] •Stable copper hexacyanoferrate nanoparticles were synthesized with no need of stabilizing agent.•The high number of structural defects…”
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Review of Nanoscale Approaches for Tailoring Electrode Materials for Advanced Energy Storage Systems by Pérez Mendoza, Alejandro E., Schmidt, Ariane, Zarbin, Aldo J. G., Winnischofer, Herbert

“…This review explores rational design strategies for electrode materials offered by nanoscale approaches aimed at achieving high energy and power density in…”
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Methyl Ester Functionalized Phenalenyl Arene- and Bipyridine–Ruthenium-Based Complexes for Electroactive Langmuir–Blodgett Films by Wahl, Isis Mani, Westphal, Eduard, Leyser da Costa Gouveia, Tiago, Santana, Francielli Sousa, Hughes, David L, Ribeiro, Ronny R, Piccoli, Leonardo Henrique Ribeiro, Winnischofer, Herbert

“…We report the synthesis of a new phenalenyl ligand, functionalized with a methyl ester electron withdrawing group, named 9-hydroxy-1-oxo-1H-phenalen-5-methyl…”
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1,3,4-Oxadiazole based ruthenium amphiphile for Langmuir-Blodgett films and photo-responsive logic gate construction by Cesca, Elizangela Cavazzini, Hoffmeister, Denize Maria, Naidek, Karine P., Novo, João Batista Marques, Serbena, José P.M., Hümmelgen, Ivo A., Westphal, Eduard, Araki, Koiti, Toma, Henrique E., Winnischofer, Herbert

“…Amphiphilic ruthenium bipyridine complexes based on 1,3,4-oxadiazole-pyridine ligands (L1, L2) were synthesized and characterized by 1H NMR, UV–Vis…”
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Amphiphilic ruthenium bipyridine complex containing long-chain azopyridine group and the mechanism of electron transfer in Langmuir-Blodgett films by Pazinato, Jaqueline, Hoffmeister, Denize M., Naidek, Karine P., Westphal, Eduard, Gallardo, Hugo, Winnischofer, Herbert

“…[Display omitted] We synthesized the amphiphilic bis(bipyridine) ruthenium complex [Ru(bipy)2Cl(L)]+ (bipy= 2,2′-bipyridine, L=4-(4-dodecyloxyphenylazo)…”
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Dye-sensitized solar cells based on TiO2 nanotubes and a solid-state electrolyte by Flores, Ismael C., de Freitas, Jilian Nei, Longo, Claudia, De Paoli, Marco-Aurelio, Winnischofer, Herbert, Nogueira, Ana Flávia

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Heterostructured Langmuir-Blodgett Films of Ruthenium Bipyridine with 1,3,4-Naphthooxadiazole-Derived Amphiphile Complex as a Charge Storage Electrode by Winnischofer, Herbert, Cesca, Elizangela, Mendoza, Alejandro, Araújo, Iolanda, Westphal, Eduard, Mezalira, Daniela, Balogh, Débora, Oliveira Jr, Osvaldo

“…The molecular control in Langmuir-Blodgett (LB) films may be exploited in charge storage electrodes provided a suitable choice of molecular architecture and…”
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Structure and morphology of spinel MFe₂O₄ (M=Fe, Co, Ni) nanoparticles chemically synthesized from heterometallic complexes by Naidek, Karine Priscila, Bianconi, Flavia, da Rocha, Tulio Costa Rizuti, Zanchet, Daniela, Bonacin, Juliano Alves, Novak, Miguel Alexandre, das Graças Fialho Vaz, Maria, Winnischofer, Herbert

“…We synthesized magnetic spinel ferrites from trimetallic single-source precursors. Fe(II), Co(II), and Ni(II) ferrite nanoparticles in the range of 9–25nm were…”
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