Wyniki wyszukiwania dla: HETEROATOMS - MOST Wiedzy

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Wyniki wyszukiwania dla: HETEROATOMS

Wyniki wyszukiwania dla: HETEROATOMS

  • Crystal Structure of N-(2-Benzoyl-4,5-dimethoxyphenethyl)-2-phenylacetamide

    Publikacja

    - Molbank - Rok 2022

    The crystal structure of N-(2-benzoyl-4,5-dimethoxyphenethyl)-2-phenylacetamide indicates that the compound crystallizes in the monoclinic C2/c space group with eight molecules in the unit cell. The heteroatoms from the amide group form a chain of intermolecular N-H ··· O hydrogen bonds propagating along the b axis. The carbonyl group from the benzoyl substituent participates in short contacts with two H-atoms from the ethyl or...

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  • Effect of Functionalization of Reduced Graphene Oxide Coatings with Nitrogen and Sulfur Groups on Their Anti-Corrosion Properties

    Publikacja

    Electrophoretic production of anticorrosion carbonaceous coatings on copper could be successfully performed by anodic oxidation of negatively charged graphene platelets suspended in an aqueous solution. The various platelets were synthesized by Hummer’s method followed by a hydrothermal reduction in the presence of NH4SCN which was expected to substitute some parts of graphene structure with nitrogen and sulfur groups. X-ray photoelectron...

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  • Application of BDD thin film electrode for electrochemical decomposition of heterogeneous aromatic compounds

    Publikacja

    - CENTRAL EUROPEAN JOURNAL OF PHYSICS - Rok 2012

    The aim of the presented study is to investigate the applicability of electrochemical oxidation of aromatic compounds containing heteroatoms, e.g. waste from production of pesticides or pharmaceutics, at a borondoped diamond (BDD) electrode. The BDD electrodes were synthesized by microwave plasma enhanced chemical vapour deposition (MW PE CVD). Investigation of the electrode surface by optical microscopy and scanning electron microscopy...

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  • Obrony prac doktorskich na Wydziale Chemicznym

    Wydarzenia

    26-04-2022 08:30 - 26-04-2022 11:30

    Dn. 26.04.2022 r. o godz. 8.30 w Audytorium 1.4 Wydziału Chemicznego PG (budynek nr 5) odbędzie się w trybie hybrydowym obrona pracy doktorskiej mgr inż. Karoliny Grajewskiej.

  • Chiral Schiff base complexes as an effective catalyst in Diels-Alder reaction

    Publikacja

    - Rok 2012

    Diels Alder reaction is a very important tool in carbon-carbon bond formation. It is a cycloaddition between a conjugated diene and a second compound called dienophile. Where one or more heteroatoms are present in the diene and/or dienophile framework, the cycloaddition is called hetero-Diels-Alder reaction (HDA). The asymmetric Diels-Alder reaction is among the most powerful available methodologies for that construction of optically...

  • Combined effect of nitrogen-doped carbon and NiCo2O4 for electrochemical water splitting

    Publikacja
    • L. Kubińska
    • M. Szkoda
    • M. Skorupska
    • P. Grabowska
    • M. Gajewska
    • J. P. Lukaszewicz
    • A. Ilnicka

    - Scientific Reports - Rok 2024

    Electrocatalytic water splitting for green hydrogen production necessitates effective electrocatalysts. Currently, commercial catalysts are primarily platinum-based. Therefore, finding catalysts with comparable catalytic activity but lower cost is essential. This paper describes spinel-structured catalysts containing nickel cobaltite NiCo2O4, graphene, and additionally doped with heteroatoms. The structure and elemental composition...

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  • Two-body dissociation of isoxazole following double photoionization – an experimental PEPIPICO and theoretical DFT and MP2 study

    Publikacja

    - PHYSICAL CHEMISTRY CHEMICAL PHYSICS - Rok 2023

    The dissociative double photoionization of isoxazole molecules has been investigated experimentally and theoretically. The experiment has been carried out in the 27.5–36 eV photon energy range using vacuum ultraviolet (VUV) synchrotron radiation excitation combined with ion time-of-flight (TOF) spectrometry and photoelectron–photoion–photoion coincidence (PEPIPICO) technique. Five wellresolved two-body dissociation channels have...

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  • Applying of Doped Graphene Oxide Coatings for Corrosion Prevention

    Publikacja

    - Rok 2019

    INTRODUCTION Graphene is a carbonaceous material characterized by extraordinary properties (high electron mobility, high surface area, high mechanical strength of 1100 GPa, very dense network hindering the passage of even the smallest helium atoms) [1]. Therefore, it found many applications, also as an anti-corrosive layer [2]. Electrophoretic Deposition (EPD) is one of the methods to deposit coatings. However, due to slight solubility...