Articles with "mixed valence" as a keyword



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Mixed‐Valence Ce/Zr Metal‐Organic Frameworks: Controlling the Oxidation State of Cerium in One‐Pot Synthesis Approach

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Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202102582

Abstract: Authors acknowledge financial support by MINECO (Spain) through projects, MAT2017-86992-R and MAT2016-80285-P. EVRF acknowledges MINECO for his Ramon y Cajal fellow RYC-2012-11427. The authors also would like to thank Diamond Light Source (I20-Scanning beamline) for… read more here.

Keywords: metal organic; controlling oxidation; valence metal; mixed valence ... See more keywords
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Near-Infrared-I to III Absorption and Emission via Core Engineering of Open-shelled Organic Mixed-Valence Systems.

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Published in 2023 at "Advanced healthcare materials"

DOI: 10.1002/adhm.202300484

Abstract: A novel class of agents was developed based on the core engineering of open-shelled organic mixed-valence (MV) systems, which enabled tunable absorption and emission across the NIR-I to III biowindow (700-1850 nm) by adjusting the number… read more here.

Keywords: nitrogen oxidation; oxidation; valence systems; organic mixed ... See more keywords
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Mixed-Valence Single-Atom Catalyst Derived from Functionalized Graphene.

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Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201900323

Abstract: Single-atom catalysts (SACs) aim at bridging the gap between homogeneous and heterogeneous catalysis. The challenge is the development of materials with ligands enabling coordination of metal atoms in different valence states, and preventing leaching or… read more here.

Keywords: graphene; valence single; valence; mixed valence ... See more keywords
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δ‐MnO2/KMnF3 Composite with Mixed Valence as Cathode for Potassium Ion Battery

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Published in 2019 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201901362

Abstract: Potassium ion batteries (PIBs) are regarded as potentially promising large‐scale energy storage systems. δ‐MnO2/KMnF3‐30 (mass percentage of KMnF3: 30%) with mixed valence of manganese is constructed by homogeneous precipitation method, as cathode for PIBs. As… read more here.

Keywords: potassium ion; cathode; mixed valence; ion ... See more keywords
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Cu(I)/Cu(II) Creutz–Taube Mixed‐Valence 2D Coordination Polymers

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Published in 2022 at "Small Methods"

DOI: 10.1002/smtd.202201166

Abstract: Graphene‐like 2D coordination polymers (GCPs) have been of central research interest in recent decades with significant impact in many fields. According to classical coordination chemistry, Cu(II) can adopt the dsp2 hybridization to form square planar… read more here.

Keywords: coordination; coordination polymers; taube mixed; mixed valence ... See more keywords
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Mössbauer studies of mixed-valence manganite Pb3(Mn0.965Fe0.035)7O15

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Published in 2019 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-019-02133-y

Abstract: Pb3Mn7O15 manganite with mixed valence (Mn3+/Mn4+) was studied by Mössbauer effect on 57Fe impurity atoms in the temperature range of 80–673 K. The experimental spectra consisted of two main quadrupole doublets corresponding to trivalent Fe… read more here.

Keywords: valence manganite; valence; ssbauer studies; mixed valence ... See more keywords
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Comparative Study on the Charge-Ordered and Mixed-Valence Phases of LuFe2O4 via First-Principles Calculations

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Published in 2018 at "Journal of Superconductivity and Novel Magnetism"

DOI: 10.1007/s10948-017-4465-y

Abstract: The first-principles density functional theory calculations have been used to investigate the relation between magnetic and structural properties of LuFe2O4 for both the charge-ordered (CO) and the mixed-valence (MV) phases and also to compare the… read more here.

Keywords: valence phases; first principles; mixed valence; ordered mixed ... See more keywords
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Efficient photocatalytic degradation of tetracycline under visible light by Z-scheme Ag3PO4/mixed-valence MIL-88A(Fe) heterojunctions: Mechanism insight, degradation pathways and DFT calculation

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.128454

Abstract: Abstract Herein, Ag3PO4/mixed-valence MIL-88A(Fe) [AMM] Z-scheme heterojunctions with an in-situ-generated photo–Fenton process were successfully constructed. The optimized AMM-20 heterojunctions show the maximum rate of photocatalytic TC degradation, which is 2.5 and 6.6 times of pristine… read more here.

Keywords: mil 88a; scheme; mixed valence; degradation ... See more keywords
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Insight into the origin of catechol oxidase activity in a rare MnII/MnIII mixed valence ion pair complex: An account of comparative biomimetic catalytic study

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Published in 2017 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2017.01.024

Abstract: Abstract A mixed valence ion pair complex, [MnII(ntb)Cl][MnIII(Br4Cat)2(H2O)2]·4H2O (2) and a manganese(III) compound, (Et3NH)2[Mn(Br4Cat)2(H2O)2][Mn(Br4Cat)2(H2O)(pm)]·H2O (3), where ntb is tris(2-benzimidazolylmethyl)amine, Br4CatH2 is tetrabromocatechol and pm is pyrimidine, have been synthesized and the solid state structures were… read more here.

Keywords: ion pair; valence; catechol oxidase; mixed valence ... See more keywords
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Flux growth, mixed valence state and superconductivity of Sn4Sb3 intermetallic crystals

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Published in 2021 at "Intermetallics"

DOI: 10.1016/j.intermet.2021.107301

Abstract: Abstract Single crystals of Sn4Sb3 with mm size have been obtained for the first time via a Sn flux method. Structural refinements confirm its trigonal structure with the centrosymmetric R 3 m space group. The… read more here.

Keywords: growth mixed; valence; mixed valence; flux growth ... See more keywords
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Two successive magnetic transitions observed in a new mixed valence compound PbNi3(PO4)3 with channels structure

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Published in 2018 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.06.209

Abstract: Abstract A new mixed valence material PbNi 3 (PO 4 ) 3 was synthesized by high-temperature solid state reaction. The structure consists of 3D framework constructed by NiO 6 octahedra and PO 4 tetrahedra, forming… read more here.

Keywords: new mixed; magnetic transitions; valence; two successive ... See more keywords