Articles with "group metal" as a keyword



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Main group metal chalcogenidometalates with transition metal complexes of 1,10-phenanthroline and 2,2′-bipyridine

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Published in 2017 at "Coordination Chemistry Reviews"

DOI: 10.1016/j.ccr.2016.08.009

Abstract: Abstract Inorganic-organic hybrid main group metal chalcogenidometalates have attracted considerable interest due to their various topological structures and potential applications in solid electrolytes, non-oxygen zeolites, and photo- or electro-catalysts. These compounds are typically synthesized under… read more here.

Keywords: group metal; main group; metal; metal chalcogenidometalates ... See more keywords
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Platinum group metal-free electrocatalysts: Effects of synthesis on structure and performance in proton-exchange membrane fuel cell cathodes

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Published in 2017 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2017.02.067

Abstract: Abstract Development of platinum group metal free catalysts for the oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs) requires understanding of the interactions between surface chemistry and performance, both of which are… read more here.

Keywords: proton exchange; group metal; fuel; platinum group ... See more keywords
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Influence of platinum group metal-free catalyst synthesis on microbial fuel cell performance

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Published in 2018 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2017.11.039

Abstract: Platinum group metal-free (PGM-free) ORR catalysts from the Fe-N-C family were synthesized using sacrificial support method (SSM) technique. Six experimental steps were used during the synthesis: 1) mixing the precursor, the metal salt, and the… read more here.

Keywords: group metal; chemistry; microbial fuel; platinum group ... See more keywords
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Power generation in microbial fuel cells using platinum group metal-free cathode catalyst: Effect of the catalyst loading on performance and costs

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Published in 2018 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2017.12.017

Abstract: Platinum group metal-free (PGM-free) catalyst with different loadings was investigated in air breathing electrodes microbial fuel cells (MFCs). Firstly, the electrocatalytic activity towards oxygen reduction reaction (ORR) of the catalyst was investigated by rotating ring… read more here.

Keywords: catalyst loading; group metal; power; platinum group ... See more keywords
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A family of platinum group metal-free catalysts for oxygen reduction in alkaline media

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Published in 2018 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2018.05.025

Abstract: Abstract In this work a series of platinum group metal-free catalysts based on iron, cobalt, copper, nickel, silver and their bimetallic combinations are synthesized and their behavior for oxygen reduction in alkaline media is tested.… read more here.

Keywords: reduction; group metal; platinum group; metal free ... See more keywords
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Non-planar platinum group metal-free fuel cell cathodes for enhanced oxygen transport and water rejection

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Published in 2021 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2021.230188

Abstract: Abstract Proton exchange membrane fuel cells (PEMFC) with cathodes using platinum group metal-free (PGM-free) catalysts could significantly reduce costs, but the lower volumetric oxygen reduction reaction (ORR) activity requires thick electrodes that suffer from liquid… read more here.

Keywords: water; transport; group metal; layer ... See more keywords
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Dinuclear group 12 metal phosphates bridged by hexadentate 2,3,5,6-tetra(2-pyridyl)-pyrazine and their supramolecular organization

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Published in 2021 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2020.128960

Abstract: Abstract Reactions of 2,6-diisopropylphenyl phosphate (dippH2) with group 12 metal acetates [M(OAc)2•2H2O (M= Zn, Cd, Hg)] in the presence of hexadentate auxiliary N-donor ligand, 2,3,5,6-tetra-(2-pyridyl)pyrazine (tppz), produce binuclear tppz bridged complexes [M(tppz)(dippH)2]2.H2O (M= Zn (1),… read more here.

Keywords: group metal; hexadentate; tetra pyridyl; pyridyl pyrazine ... See more keywords
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Infrared spectroscopy on electronic structures of platinum-group metal pernitrides MN2 (M = Ru, Rh, Ir, and Pt)

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Published in 2019 at "Physica B: Condensed Matter"

DOI: 10.1016/j.physb.2019.01.017

Abstract: Abstract The electronic structures of platinum-group metal pernitrides MN2 (M = Ru, Rh, Ir, and Pt) were investigated via synchrotron radiation infrared spectroscopy and first-principles calculations. Measured reflectance spectra of marcasite-type RuN2 and RhN2 showed Drude-like responses,… read more here.

Keywords: electronic structures; group metal; spectroscopy; structures platinum ... See more keywords
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Versatile Coordination Modes of Multidentate Neutral Amine Ligands with Group 1 Metal Cations

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Published in 2022 at "Inorganic Chemistry"

DOI: 10.1021/acs.inorgchem.1c03786

Abstract: This work comprehensively investigated the coordination chemistry of a hexa-dentate neutral amine ligand, namely, N,N′,N”-tris-(2-N-diethylaminoethyl)-1,4,7-triaza-cyclononane (DETAN), with group-1 metal cations (Li+, Na+, K+, Rb+, Cs+). Versatile coordination modes were observed, from four-coordinate trigonal pyramidal to… read more here.

Keywords: neutral amine; coordination modes; coordination; chemistry ... See more keywords
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Water-Based Synthesis of Ultrasmall Nanoparticles of Platinum Group Metal Oxides (1.8 nm).

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c00281

Abstract: Ultrasmall nanoparticles of platinum group metal oxides (core diameter of about 1.8 nm) were prepared by alkaline hydrolysis of metal precursors in the presence of NaBH4 and by colloidal stabilization with tripeptide glutathione. We obtained… read more here.

Keywords: group metal; nanoparticles platinum; ultrasmall nanoparticles; spectroscopy ... See more keywords
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Stable M(II)-Radicals and Nickel(III) Complexes of a Bis(phenol) N-Heterocyclic Carbene Chelated to Group 10 Metal Ions.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.9b00784

Abstract: The tetradentate ligand based on (1-imidazolium-3,5-di tert-butylphenol) units was prepared and chelated to group 10 metal ions (Ni(II), Pd(II), and Pt(II)), affording complexes 1, 2, and 3, respectively. The X-ray crystal structures of 1-3 show… read more here.

Keywords: chelated group; group metal; metal ions; metal ... See more keywords