Academic literature on the topic 'Scanning Gel Electrochemical Microscopy (SGECM)'

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Journal articles on the topic "Scanning Gel Electrochemical Microscopy (SGECM)"

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Dang, Ning, Mathieu Etienne, Alain Walcarius, and Liang Liu. "Scanning gel electrochemical microscopy (SGECM): The potentiometric measurements." Electrochemistry Communications 97 (December 2018): 64–67. http://dx.doi.org/10.1016/j.elecom.2018.10.020.

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Liu, Liang, Mariela Brites Helu, Ning Dang, et al. "(Invited) Scanning Gel Electrochemical Microscopy: Towards Biological Applications?" ECS Meeting Abstracts MA2024-01, no. 42 (2024): 2390. http://dx.doi.org/10.1149/ma2024-01422390mtgabs.

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Scanning electrochemical probe techniques have been developed in the last 30 years for measuring spatially localized electrochemistry at micro and nano scale. Here, we will present a recently developed tool, namely Scanning Gel Electrochemical Microscopy, for imaging the electrochemical reactivity of surfaces and patterning surfaces by local electrodeposition. The concept is based on a gel probe that is in soft contact with the sample, allowing electrochemical measurements to be spatially localized in the contact area with gel as electrolyte.1 The physical resolution, or the pixel size, can th
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Dang, Ning, Mathieu Etienne, Alain Walcarius, and Liang Liu. "Scanning Gel Electrochemical Microscopy (SGECM): Lateral Physical Resolution by Current and Shear Force Feedback." Analytical Chemistry 92, no. 9 (2020): 6415–22. http://dx.doi.org/10.1021/acs.analchem.9b05538.

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Liu, Liang, Mathieu Etienne, and Alain Walcarius. "Scanning Gel Electrochemical Microscopy for Topography and Electrochemical Imaging." Analytical Chemistry 90, no. 15 (2018): 8889–95. http://dx.doi.org/10.1021/acs.analchem.8b01011.

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Oseland, Elizabeth E., Zoë J. Ayres, Andrew Basile, David M. Haddleton, Paul Wilson, and Patrick R. Unwin. "Surface patterning of polyacrylamide gel using scanning electrochemical cell microscopy (SECCM)." Chemical Communications 52, no. 64 (2016): 9929–32. http://dx.doi.org/10.1039/c6cc05153g.

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Lung, Claudiu, Daniel Marconi, and Tudor Feher. "A Comprehensive Review of Fabrication and Characterization Methods of Hydroxyapatite." Studia Universitatis Babeș-Bolyai Physica 68, no. 1-2 (2023): 39–48. http://dx.doi.org/10.24193/subbphys.2023.04.

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This synthesis article expands on the applications of hydroxyapatite (HA) coatings on titanium dioxide (TiO2) substrates for biomedical applications, focusing on the methods of deposition and their impact on the material’s properties. Various techniques, including sol-gel, electrochemical deposition and ultrasonic spray-pyrolysis are discussed because of their ability to enhance the mechanical resistance, biocompatibility and osteointegration of implants. The analysis methods used are X-Ray Diffraction (XRD), Scanning electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR)
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Luo, Hongmei, Qianglu Lin, Stacy Baber, and Mahesh Naalla. "Surfactant-Templated Mesoporous Metal Oxide Nanowires." Journal of Nanomaterials 2010 (2010): 1–6. http://dx.doi.org/10.1155/2010/750960.

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We demonstrate two approaches to prepare mesoporous metal oxide nanowires by surfactant assembly and nanoconfinement via sol-gel or electrochemical deposition. For example, mesoporousTa2O5and zeolite nanowires are prepared by block copolymer Pluronic 123-templated sol-gel method, and mesoporous ZnO nanowires are prepared by electrodeposition in presence of anionic surfactant sodium dodecyl sulfate (SDS) surfactant, in porous membranes. The morphologies of porous nanowires are studied by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analyses.
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Zhu, Ji Ne, Sheng Li Zhao, Jiu Ba Wen, and Zhao Yang Wu. "Electrochemical Properties of NiO thin Film Prepared by Sol-Gel Process." Advanced Materials Research 194-196 (February 2011): 2487–90. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.2487.

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The thermal decomposition behavior of gel precursor, the structure, morphology and electrochemical properties of NiO thin films prepared by sol-gel process were characterized by thermogravimetric/differential scanning calorimetry (TG-DSC), X-ray diffraction (XRD), scanning electron microscopy (SEM) and constant current charge-discharge techniques. The results show that the gel precursor completely decomposes and gradually forms the nanocrystalline NiO at 450°C during the sintering. The NiO thin film is smooth, uniform and free of cracks drying at 200°C as pretreatment and sintering at a low te
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E, Sharel P., Minkyung Kang, Paul Wilson, et al. "High resolution visualization of the redox activity of Li2O2 in non-aqueous media: conformal layer vs. toroid structure." Chemical Communications 54, no. 24 (2018): 3053–56. http://dx.doi.org/10.1039/c7cc09957f.

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A strong relationship between the surface structure and the redox activity of Li<sub>2</sub>O<sub>2</sub> is visualized directly using scanning electrochemical cell microscopy, employing a dual-barrel nanopipette containing a unique gel polymer electrolyte.
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Hwang, Seongpil. "Local Electrochemistry Based on Scanning Probe Technique with Gel Electrolyte." ECS Meeting Abstracts MA2024-02, no. 56 (2024): 3780. https://doi.org/10.1149/ma2024-02563780mtgabs.

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The local electrochemistry down to nanometer scale based on scanning probe technique with agarose as solid electrolyte will be presented. Boron-doped diamond conductive atomic force microscopy (BDD C-AFM) tip served as a working electrode which was brought into the surface of agarose gel electrolyte, forming the small electroactive area corresponding to nanoelectrode under the feedback by the current in a modified scanning ionic conductance microscopy mode along with a simple home-built Matlab software. Cyclic voltammograms show the controlled nanoelectrode predicted by COMSOL simulation. More
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Dissertations / Theses on the topic "Scanning Gel Electrochemical Microscopy (SGECM)"

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Dang, Ning. "Développements de la microscopie électrochimique à balayage à sonde à gel." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0243.

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Au cours des 30 dernières années, les techniques de microscopie à sonde électrochimique à balayage (SEPM) ont été développée comme outils puissants pour des études électrochimiques à l’échelle micro/nano. Les techniques les plus développées et commercialisées sont la microscopie électrochimique à balayage (SECM) et la microscopie de conductance ionique à balayage (SICM). Cependant, les mesures impliquent l’immersion totale de l’échantillon au sein de la solution d’électrolyte, qui peut produire des modifications incontrôlées de la surface en raison du long temps de balayage. A défaut de locali
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Njomo, Njagi. "Synthesis of sulphonated and transition metal oxide doped polymeric nanocomposites for application in design of supercapacitors." University of the Western Cape, 2011. http://hdl.handle.net/11394/5429.

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Philosophiae Doctor - PhD<br>To meet a fast-growing market demand for next generation portable electronic devices with higher performance and increased device functionalities, efficient electrical energy devices with substantially higher energy, power densities and faster recharge times such as supercapacitors are needed. The overall aim of this thesis was to synthesize nanostructured sulphonated polyaniline and transition metal single, binary and ternary mixed oxide doped nanocomposites with electro-conductive properties. These nanocomposites were anchored on activated graphitic carbon and us
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Kandory, Ahmed ismail kareim. "Localized modification of conducting and insulating substrates (gold, copper, metal ion-doped sol-gels) by scanning electrochemical microscopy. Application to direct writing." Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2076.

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De nos jours, la modification de surface fait l'objet d'attentions particulières en raison de sa variété d'applications dans divers domaines. Dans ce contexte, l'objectif de cette thèse a été de traiter de la modification localisée de surfaces dans des conditions douces en utilisant le microscope électrochimique à balayage (SECM). En tant que preuve de concept pour l'écriture directe, différentes stratégies ont été menées pour la modification de surface par gravure de matériaux, greffage de couche organique et modification de la structure chimique surfacique. Des surfaces de verre et d'or ont
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Book chapters on the topic "Scanning Gel Electrochemical Microscopy (SGECM)"

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Revathi, Mrs R., and P. Ajithsivam. "SYNTHESIS AND CHARACTERIZATION OF POLYSTYRENE / TITANIUM DIOXIDE (PS/TIO2) NANO COMPOSITES." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 11. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs11p2ch3.

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Titanium dioxide is of very high technical importance due to its excellent electrical, optical, and chemical properties such as no toxicity, transparency in visible light, wide gap energy, high refractive index, electrochemical stability, and good insulation properties. The PS/TiO2 Nano composite was synthesized by Sol-Gel method and the gel were coated in substrate by doctor blade coating method. Polymer has been used since they have beneficial properties like Biodegradability and Biocompatibility. The characterization studies such as XRD, FTIR, SEM-EDX were carried out for the nanocomposite
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Conference papers on the topic "Scanning Gel Electrochemical Microscopy (SGECM)"

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Suleiman, Rami, Amjad Khalil, Mazen Khaled, and Bassam El Ali. "Marine Anticorrosion and Antifouling Assessment of Multifunctionalized Hybrid Sol-Gel Coatings." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-10539.

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Abstract The corrosion and fouling of steel surfaces are major problems affecting the infrastructure of most industries, especially the oil and gas industries. The application of barrier coatings is one of the most widely used methods for mitigating these metal-loss causing problems. In particular, multifunctional hybrid sol-gel coatings are a very promising alternative to the currently used commercial toxic anticorrosion/antifouling coatings. This study describes the functionalization of a hybrid sol-gel polymeric coating with MOLY(1) or ZAPP(2) corrosion inhibitors and viable endospores of B
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Le Borgne, S., J. M. Romero, J. Jan, and M. Amaya. "Characterization of Bacterial Consortia Involved in the Corrosion of Gas Pipelines Using Molecular Biology Techniques." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03158.

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Abstract The biofilm collected in a sour gas pipeline was used as an inoculum to develop an anaerobic bacterial consortia in a medium containing sulfate and iron. The formation of a black precipitate of ferrous sulfide indicated the presence of sulfate-reducing bacteria (SRB) in this consortium. The presence of the consortium promoted the formation of pits on the surface of API X52 pipeline steel as observed in Environmental Scanning Electronic Microscopy (ESEM). This behavior was confirmed with the Electrochemical Noise (EN) measurements in which irregular high intensity oscillations were pro
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Abraham, Jeffin James, Umair Nisar, Haya Monawwar, et al. "SiO2 Coated Li-rich Layered Oxides-Li1.2Ni0.13Mn0.54Co0.13O2 for efficient energy storage applications." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0005.

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Lithium ion batteries (LIBs) are attractive for energy storage application. In this regard, lithium rich layered oxides (LLOs), are considered viable cathodes due to their tempting properties such as lower production cost, faster manufacturing process, excellent reversible capacity, and better electrochemical performance at high voltages. Despite these properties, LLOs lack in cyclic stability and inferior capacity retention. This study proposes a surface modification technique to overcome the above-mentioned limitations in which a layer of silica (SiO2) has been coated on the particles of Li1
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Mohd Amin, NUR AIN ATIQAH. "Preliminary synthesis of the TiO2 photocatalyst for hydrogen production." In Decarbonization Technology: ICDT2024. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903575-59.

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Abstract. The preliminary analysis of the proposed work, specifically the development of the titanium dioxide (TiO2) photocatalyst, was described in this chapter. The results of the analysis are useful for comparing the composite structures of TiO2 photocatalysts with different calcination temperatures. Various crystalline and amorphous structures of TiO2, such as anatase, rutile, and brookite, have garnered significant attention for their diverse applications. This study investigates the synthesis, characterization, and performance evaluation of TiO2 photocatalysts for hydrogen production app
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Vajandar, Saumitra K., Dongyan Xu, Deyu Li, Dmitry Markov, John Wikswo, and William Hofmeister. "SiO2-Coated Porous Anodic Alumina Membrane for Electroosmotic Pumping." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15002.

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Electroosmotic pumping has been extensively used in biomedical lab-on-a-chip devices and micropumps for critical applications such as microelectronic cooling. In many applications, a high flow rate is a key requirement in desired performance so constant efforts have been made to increase the pumping flow rate through unit area to achieve the compact design. We report here an attempt of using SiO2-coated anodic porous alumina membrane as the material to achieve high electroosmotic pumping flow rate. High quality porous alumina membranes of controllable pore diameter in the range of 20-300 nm an
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