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Structure and oxygen evolution reaction performance of a new manganese phosphonate based on bisphosphonic acid and 1,10-phen.

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Title: Structure and oxygen evolution reaction performance of a new manganese phosphonate based on bisphosphonic acid and 1,10-phen.
Authors: Xu, Ming-Sheng1 (AUTHOR), Wang, Li-Wen1 (AUTHOR), Wang, Bin1 (AUTHOR), Xu, Xiuling1 (AUTHOR), Ma, Qian2 (AUTHOR), Tang, Si-Fu1 (AUTHOR) tangsf@qau.edu.cn
Source: Journal of Molecular Structure. Oct2025, Vol. 1342, pN.PAG-N.PAG. 1p.
Subjects: Oxygen evolution reactions, Chemical kinetics, Phosphonic acids, Ligands (Chemistry), Metal-organic frameworks
Abstract: • A manganese phosphonate with 1,10-phen as auxiliary ligand has been synthesized. • There is strong π···π interactions in the crystal structure. • Manganese phosphonates can be developed into prominent electrocatalyst. • The π···π interactions are helpful to improve the electrocatalytic performance. • Manganese phosphonates are very promising electrocatalysts. Metal-organic frameworks (MOFs) are very promising water splitting electrocatalysts, but current MOF type catalysts are generally plagued by moderate conductivity, slow reaction kinetics, and poor stability. In this work, one phosphonic acid ((1,4-phenylenebis(hydroxymethylene))bis(phosphonic acid), H 6 L) has been employed as a ligand, and 1,10-Phenanthroline (1,10-phen) as an auxiliary ligand to synthesize a new manganese phosphonate, [Mn 2 (H 4 L)(H 2 L) 0.5 (1,10-phen) 2 ]∙4H 2 O (1), aiming to improve the conductivity and stability of the material. Through in situ growth on nickel foam, the overpotential of the prepared MnP/NF electrode at 10 mA cm-2 is only 366.0 mV and can maintain remarkable durability for more than 20 hours. This work provides new insight for the design and optimization of efficient MOF type electrocatalysts. [Display omitted] [ABSTRACT FROM AUTHOR]
Copyright of Journal of Molecular Structure is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 185773314
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PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Structure and oxygen evolution reaction performance of a new manganese phosphonate based on bisphosphonic acid and 1,10-phen.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Xu%2C+Ming-Sheng%22">Xu, Ming-Sheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Li-Wen%22">Wang, Li-Wen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Bin%22">Wang, Bin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Xiuling%22">Xu, Xiuling</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Qian%22">Ma, Qian</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Si-Fu%22">Tang, Si-Fu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> tangsf@qau.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Molecular+Structure%22">Journal of Molecular Structure</searchLink>. Oct2025, Vol. 1342, pN.PAG-N.PAG. 1p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Oxygen+evolution+reactions%22">Oxygen evolution reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+kinetics%22">Chemical kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22Phosphonic+acids%22">Phosphonic acids</searchLink><br /><searchLink fieldCode="DE" term="%22Ligands+%28Chemistry%29%22">Ligands (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Metal-organic+frameworks%22">Metal-organic frameworks</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • A manganese phosphonate with 1,10-phen as auxiliary ligand has been synthesized. • There is strong π···π interactions in the crystal structure. • Manganese phosphonates can be developed into prominent electrocatalyst. • The π···π interactions are helpful to improve the electrocatalytic performance. • Manganese phosphonates are very promising electrocatalysts. Metal-organic frameworks (MOFs) are very promising water splitting electrocatalysts, but current MOF type catalysts are generally plagued by moderate conductivity, slow reaction kinetics, and poor stability. In this work, one phosphonic acid ((1,4-phenylenebis(hydroxymethylene))bis(phosphonic acid), H 6 L) has been employed as a ligand, and 1,10-Phenanthroline (1,10-phen) as an auxiliary ligand to synthesize a new manganese phosphonate, [Mn 2 (H 4 L)(H 2 L) 0.5 (1,10-phen) 2 ]∙4H 2 O (1), aiming to improve the conductivity and stability of the material. Through in situ growth on nickel foam, the overpotential of the prepared MnP/NF electrode at 10 mA cm-2 is only 366.0 mV and can maintain remarkable durability for more than 20 hours. This work provides new insight for the design and optimization of efficient MOF type electrocatalysts. [Display omitted] [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Molecular Structure is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.molstruc.2025.142791
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Oxygen evolution reactions
        Type: general
      – SubjectFull: Chemical kinetics
        Type: general
      – SubjectFull: Phosphonic acids
        Type: general
      – SubjectFull: Ligands (Chemistry)
        Type: general
      – SubjectFull: Metal-organic frameworks
        Type: general
    Titles:
      – TitleFull: Structure and oxygen evolution reaction performance of a new manganese phosphonate based on bisphosphonic acid and 1,10-phen.
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            NameFull: Xu, Ming-Sheng
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            NameFull: Wang, Li-Wen
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            NameFull: Wang, Bin
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            NameFull: Xu, Xiuling
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            NameFull: Ma, Qian
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            NameFull: Tang, Si-Fu
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              Text: Oct2025
              Type: published
              Y: 2025
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              Value: 1342
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            – TitleFull: Journal of Molecular Structure
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