Search Results - "Gelamo, Rogério V"
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Carbon-graphene hybrid supporting platinum–tin electrocatalyst to enhance ethanol oxidation reaction
Published in Journal of applied electrochemistry (01-06-2024)“…Direct ethanol fuel cell (DEFC) is promising source for mobile and portable applications, but the electrocatalysts are based on metal noble alloys or doping…”
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Improved electrochemical performance of pyrolytic graphite paper: Electrochemical versus reactive cold-plasma activation
Published in Electrochemistry communications (01-08-2019)“…Flexible pyrolytic graphite sheets or graphite paper (GP) are a promising source of disposable (low-cost) electrochemical sensors. This work demonstrates the…”
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Low contact resistivity and strain in suspended multilayer graphene
Published in Applied physics letters (20-12-2010)“…Method to prepare suspended multilayer graphene (MLG) flakes and to form highly conductive (contact resistivity of ∼ 0.1 k Ω μ m 2 ) and tight mechanical…”
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Reactive oxygen plasma treatment of 3D-printed carbon electrodes towards high-performance electrochemical sensors
Published in Sensors and actuators. B, Chemical (15-11-2021)“…Conductive 3D-printed platforms have been recognized an emerging class of materials with great potential to electrochemistry. However, such 3D-printed…”
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Enhanced field emission of plasma treated multilayer graphene
Published in Applied physics letters (21-09-2015)“…Electron emission properties of multilayer graphene (MLG) prepared by a facile exfoliation technique have been studied. Effect of CO2 Ar, N2, plasma treatment…”
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CO2-plasma surface treatment of graphite sheet electrodes for detection of chloramphenicol, ciprofloxacin and sulphanilamide
Published in Mikrochimica acta (1966) (01-10-2023)“…Graphite sheet (GS) electrodes are flexible and versatile substrates for sensing electrochemical; however, their use has been limited to incorporate…”
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XPS Investigation of Plasma-Deposited Polysiloxane Films Irradiated with Helium Ions
Published in Plasma processes and polymers (23-05-2007)“…This work describes an XPS investigation of plasma‐deposited polysiloxane films irradiated with 170 keV He+ ions at fluences, Φ, ranging from 1 × 1014 to 1 ×…”
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Stainless steel and polyethylene surfaces functionalized with silver nanoparticles
Published in Food science and technology international (01-01-2018)“…The antimicrobial effects of a stainless steel surface and a polyethylene surface functionalized with silver nanoparticles on the adhesion of different…”
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Li diffusion and electrochromism in amorphous and crystalline vanadium oxide thin film electrodes
Published in Journal of the Brazilian Chemical Society (2008)“…Amorphous vanadium oxide films were synthesized onto ITO-coated glass substrates by the hot filament metal oxide deposition technique. The as-deposited samples…”
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Developments in hot-filament metal oxide deposition (HFMOD)
Published in Thin solid films (15-01-2008)“…Hot-filament metal oxide deposition (HFMOD) is a variant of conventional hot-filament chemical vapor deposition (HFCVD) recently developed in our laboratory…”
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Journal Article Conference Proceeding -
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Characterization of Si:O:C:H films fabricated using electron emission enhanced chemical vapour deposition
Published in Thin solid films (15-01-2008)“…Silicon-based polymers and oxides may be formed when vapours of oxygen-containing organosilicone compounds are exposed to energetic electrons drawn from a hot…”
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Journal Article Conference Proceeding -
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Temperature and pressure dependent Raman spectroscopy of plasma treated multilayer graphene nanosheets
Published in Diamond and related materials (01-04-2018)“…Understanding of the fine structure at the atomic level and properties of graphene by creating defects is important from the point of view of thermal and…”
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Berreman Effect in Amorphous and Crystalline WO3 Thin Films
Published in The journal of physical chemistry. B (19-08-2004)“…Thin films of tungsten oxide deposited by hot filament metal oxide deposition (HFMOD) were thermally annealed up to 800 °C and investigated by means of XRD,…”
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Carbon nanostructures in enhancing ranitidine drug degradation by zinc hexacyanoferrate
Published in Surfaces and interfaces (01-06-2023)“…Here we describe the synthesis and characterization of zinc hexacyanoferrate (ZnHCF) and their respective composites, zinc hexacyanoferrate/graphene oxide…”
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Helium Ion Irradiation of Polymer Films Deposited from TMS-Ar Plasmas
Published in Plasma processes and polymers (23-05-2007)“…Polymer films synthesized from plasmas of a tetramethylsilane ‐ Ar mixture were modified by irradiation with 170 keV He ions at fluences ranging from 1 × 1014…”
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Micro-adhesive wear and microhardness behavior of friction stir welded 2524-T3 aluminium alloy
Published in Materials letters (01-06-2024)“…•The FSW process was successfully performed on fresh plates of 2524-T3 Al alloy.•Micro-adhesive wear and microhardness tests were performed on parental and…”
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Enhancing the electrochemical performance of graphite sheet electrodes for ketamine detection
Published in Electrochimica acta (20-12-2024)“…Flexible graphite sheets (GS) have been a promising material for developing electrochemical sensors. In this work, we showed that the electrochemical…”
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Nanocomposites of Amorphous Hydrogenated Carbon and Siloxane Networks Produced by PECVD
Published in Chemistry of materials (24-02-2004)Get full text
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CO.sub.2-plasma surface treatment of graphite sheet electrodes for detection of chloramphenicol, ciprofloxacin and sulphanilamide
Published in Mikrochimica acta (1966) (01-10-2023)“…Graphite sheet (GS) electrodes are flexible and versatile substrates for sensing electrochemical; however, their use has been limited to incorporate…”
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Journal Article