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

Tuning Mixed‐Valence State in Coordination Polymers for Electronics and Optics

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202516680

Abstract: Coordination‐assembled systems have attracted much attention in physics and chemistry because of their structural tunability and wide variety of building units; however, their functionalities are often limited because of the difficulty in controlling dynamic or… read more here.

Keywords: valence; optics; coordination polymers; mixed valence ... See more keywords

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

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

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

Ligand‐field effect to harness the magnetic anisotropy in a series of mixed valence Co (III)–Co (II) dinuclear complexes

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Published in 2024 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.7441

Abstract: Three mixed valence dinuclear Co (III)–Co (II)‐based complexes having general formulae of [CoIICoIII (HL2)2(L1)] [L1H = 2‐hydroxy‐1‐naphthaldehyde (1), o‐vanillin (2), and salicylaldehyde (3)] have been synthesized successfully using Schiff base (LH4) ligand. The complexes were characterized by… read more here.

Keywords: ligand field; field effect; mixed valence; magnetic anisotropy ... See more keywords

Synergistic Effect Promotes Visible‐Light–Driven CO2‐To‐CO Conversion by Macrocyclic Dinuclear Mixed‐Valence Co (II)/Co (III) Complexes

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Published in 2025 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.7993

Abstract: The catalytic conversion of carbon dioxide (CO2) into valuable energy under light sources is one of the effective ways to achieve carbon cycle. The reported nonprecious metal complex catalysts still show the shortcomings of low… read more here.

Keywords: driven co2; dinuclear mixed; visible light; mixed valence ... See more keywords

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