Articles with "metal cations" as a keyword



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Metal Cations in Efficient Perovskite Solar Cells: Progress and Perspective.

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Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201902037

Abstract: Metal halide perovskite solar cells (PVSCs) have revolutionized photovoltaics since the first prototype in 2009, and up to now the highest efficiency has soared to 24.2%, which is on par with commercial thin film cells… read more here.

Keywords: perovskite solar; metal; efficient perovskite; cations efficient ... See more keywords
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Three Different Modes of Association between Metal Cations in Heterometallic Uranyl-CoIII and Uranyl-MnII Species

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Published in 2018 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201800873

Abstract: Three heterometallic complexes including uranyl and either Co$^{III}$ or Mn$^{II}$ cations were crystallized under hydrothermal conditions. Complexes [Co(bipy)$_3$]$_2$[UO$_2$(NO$_3$)$_4$]$_2$[(UO$_2$)$_2$(NO$_3$)$_4$(OH)$_2$] (1) and [UO$_2$(NO$_3$)$_2$Co(bipy)$_2$(OH)$_2$]·NO$_3$·H$_2$O (2) (bipy = 2,2ʹ‐bipyridine) were obtained from the same solution. UO$_2{^{2+}}$ and Co$^{3+}$ are… read more here.

Keywords: different modes; heterometallic uranyl; hydroxo bridged; metal cations ... See more keywords
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A New Type of Capping Agent in Nanoscience: Metal Cations.

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Published in 2019 at "Small"

DOI: 10.1002/smll.201900444

Abstract: Capping agents are the essential factor in nanoscience and nanotechnology. However, the types of capping agents are greatly limited. Defying conventional beliefs, here is shown that metal cations can also be considered as capping agents… read more here.

Keywords: new type; capping agent; capping agents; metal cations ... See more keywords
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Molecular dynamics simulation of the adsorption of alkali metal cations on carbon nanotubes surfaces

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Published in 2019 at "Computational Condensed Matter"

DOI: 10.1016/j.cocom.2018.e00357

Abstract: Abstract In a previous work, we prepared multiwalled carbon nanotubes (MWCNTs) impregnated with alkali metals and when characterized by different techniques, we observed that the incorporation of Cs to the MWCNTs by impregnation with Cs… read more here.

Keywords: alkali metal; carbon nanotubes; adsorption; molecular dynamics ... See more keywords
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Effects of metal cations on coupled birnessite structural transformation and natural organic matter adsorption and oxidation

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Published in 2019 at "Geochimica et Cosmochimica Acta"

DOI: 10.1016/j.gca.2019.01.035

Abstract: Abstract Birnessite, a layered manganese (Mn) oxide, possesses extraordinary metal adsorption and oxidation activity, and thus imposes impacts on many biogeochemical processes. The reactivity of birnessite strongly relies on its Mn oxidation state composition (the… read more here.

Keywords: oxidation; adsorption; transformation; birnessite ... See more keywords
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Ligation kinetics as a probe for relativistic effects: Ligation of atomic coinage metal cations with ammonia

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Published in 2017 at "International Journal of Mass Spectrometry"

DOI: 10.1016/j.ijms.2016.06.007

Abstract: Abstract The kinetics for ammonia ligation of the three (d 10 ) transition metal coinage cations Cu + , Ag + and Au + were measured in an attempt to assess the role of relativistic… read more here.

Keywords: coinage metal; relativistic effects; metal; rate ... See more keywords
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A positively charged tight UF membrane and its properties for removing trace metal cations via electrostatic repulsion mechanism.

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Published in 2019 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2019.03.088

Abstract: The development of highly efficient membranes technology using low-pressure driven filtration process, is one of the principal challenges in the wastewater treatment field, especially those aimed at the removal of trace heavy metals. In this… read more here.

Keywords: heavy metal; charged tight; metal; membrane ... See more keywords
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Impact Assessment of heavy metal cations to the characteristics of photosynthetic phycocyanin.

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Published in 2020 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2020.122225

Abstract: This work has assessed the impact of typical heavy metal cations on C-phycocyanin in vitro and in silico. At low concentrations ( read more here.

Keywords: pb2; phycocyanin; metal; heavy metal ... See more keywords
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Stability of gold particles in NaY-type zeolites: Promotional effects of co-exchanged metal cations

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Published in 2017 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2016.11.034

Abstract: Abstract On Au/NaY a very high degree of dispersion is achieved, but gold particles migrate and then agglomerate when reduction occurs. This deterioration is slowed or prevented by c0-exchanging various cations into the zeolite, including… read more here.

Keywords: particles nay; type zeolites; nay type; stability gold ... See more keywords
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Specific scavenging of polluting metals by prolate particles of phosphonate functionalized mesoporous silica

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2020.110134

Abstract: Abstract Phosphonate and/or bisphosphonate-functionalized mesoporous silica (MS) sorbents were developed and studied using 31P-MAS-NMR, SEM-EDS, TEM, BET, and batch sorption experiments before and/or after metal ion scavenging (Bi+3, Ba+2, Cd+2, U+6, Ag+, Pd+2 and Zn+2).… read more here.

Keywords: mesoporous silica; sorption; prolate particles; functionalized mesoporous ... See more keywords
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How the Nature of the Alkali Metal Cations Influences the Double-Layer Capacitance of Cu, Au, and Pt Single-Crystal Electrodes

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Published in 2020 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.0c01715

Abstract: In this work, we have investigated the influence of alkali metal cations on the electrical double layer (EDL) properties for various metal electrodes. Using electrochemical impedance spectroscopy, ... read more here.

Keywords: alkali metal; nature alkali; metal; double layer ... See more keywords