Articles with "cobalt phthalocyanine" as a keyword



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Synergistic Catalysis over Iron-Nitrogen Sites Anchored with Cobalt Phthalocyanine for Efficient CO2 Electroreduction.

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Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201903470

Abstract: Simultaneously achieving high Faradaic efficiency, current density, and stability at low overpotentials is essential for industrial applications of electrochemical CO2 reduction reaction (CO2 RR). However, great challenges still remain in this catalytic process. Herein, a… read more here.

Keywords: anchored cobalt; co2; cobalt phthalocyanine; synergistic catalysis ... See more keywords
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Catalytic effect of tetrasulfonated cobalt phthalocyanine on selenite reduction by dithionite

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Published in 2019 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-019-01687-6

Abstract: This works reports that tetrasulfonated cobalt(II) phthalocyanine (Co(II)TSPc) catalyzes reduction of selenite (SeO 3 2− ), the one of the most toxic form of selenium, to slightly toxic Se(0) by dithionite (S 2 O 4… read more here.

Keywords: reduction; tetrasulfonated cobalt; cobalt phthalocyanine; dithionite ... See more keywords
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The effects of the composition and structure of quantum dots combined with cobalt phthalocyanine and an aptamer on the electrochemical detection of prostate specific antigen

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Published in 2021 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2021.109407

Abstract: Absract The ability to functionalize and modify graphene-based quantum dots has also allowed for the tuning of their activity in different applications. A comparative study is carried out in this work where a prostate specific… read more here.

Keywords: prostate specific; quantum dots; detection prostate; cobalt phthalocyanine ... See more keywords
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A new electrochemical paper platform for detection of 8-hydroxyquinoline in cosmetics using a cobalt phthalocyanine-modified screen-printed carbon electrode

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Published in 2019 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2018.11.055

Abstract: Abstract An electrochemical paper-based analytical device (ePAD) using an electrocatalytic cobalt(II) phthalocyanine-modified screen-printed carbon electrode (CoPc-SPCE) was first developed for the determination of 8-hydroxyquinoline (8-HQ). The electrochemical behavior of 8-HQ on the CoPc-modified electrode was… read more here.

Keywords: modified screen; electrode; cobalt phthalocyanine; screen printed ... See more keywords
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Adsorption and Intermolecular Interaction of Cobalt Phthalocyanine on CoO(111) Ultrathin Films: An STM and DFT Study

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.6b12337

Abstract: We investigate the adsorption of cobalt phthalocyanine (CoPc) molecules on a thin layer of cobalt oxide grown on Ir(100). To that end we compare the results of low-temperature scanning tunneling microscopy (STM) with those of… read more here.

Keywords: adsorption; dft; cobalt; cobalt phthalocyanine ... See more keywords
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High quantum yield photochemical water oxidation using a water-soluble cobalt phthalocyanine as a homogenous catalyst.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc01985j

Abstract: We demonstrated high catalytic activity (TON = 670, TOFmax = 2.7 s-1) of a water-soluble cobalt phthalocyanine complex (CoPcTS, PcTS = phthalocyaninetetrasulfonate) for visible light-driven photochemical water oxidation and investigated its reaction mechanism by electrochemical… read more here.

Keywords: water oxidation; water; water soluble; photochemical water ... See more keywords
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A controllably fabricated polypyrrole nanorods network by doping a tetra-β-carboxylate cobalt phthalocyanine tetrasodium salt for enhanced ammonia sensing at room temperature

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Published in 2023 at "RSC Advances"

DOI: 10.1039/d3ra00103b

Abstract: The morphology adjustment and functional doping optimization of polypyrrole (PPy) are of great significance in improving its gas sensing performance. Here, the PPy-0.5TcCoPc nanorods with a uniform dispersed 3-D network were prepared using one-step in… read more here.

Keywords: network; tetra carboxylate; gas; carboxylate cobalt ... See more keywords
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A Comparative Study of the Semiconductor Behavior of Organic Thin Films: TCNQ-Doped Cobalt Phthalocyanine and Cobalt Octaethylporphyrin

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Published in 2020 at "Molecules"

DOI: 10.3390/molecules25245800

Abstract: The structure formed by cobalt phthalocyanine (CoPc) and cobalt octaethylporphyrin (CoOEP) with electron-acceptor tetracyano-π-quinodimethane (TCNQ), was studied by Density Functional Theory (DFT) methods. According to theoretical calculations, both cobalt systems can establish dispersion forces related… read more here.

Keywords: tcnq; thin films; cobalt; cobalt octaethylporphyrin ... See more keywords
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Co3O4 Supported on Graphene-like Carbon by One-Step Calcination of Cobalt Phthalocyanine for Efficient Oxygen Reduction Reaction under Alkaline Medium

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Published in 2023 at "Nanomaterials"

DOI: 10.3390/nano13071241

Abstract: Exploiting cost-effective and durable non-platinum electrocatalysts for oxygen reduction reaction (ORR) is of great significance for the development of abundant renewable energy conversion and storage technologies. Herein, a series of Co3O4 supported on graphene-like carbon… read more here.

Keywords: like carbon; co3o4; graphene like; cobalt phthalocyanine ... See more keywords