Two novel oxovanadium–organophosphonate hybrids with a 3D supramolecular structure: synthesis, crystal structures, surface photovoltage and luminescent properties

Ma, Ming-Xue; Sun, Zhen‐Gang; Zhu, Yan‐Yu; Zhang, Guang‐Ning; Sun, Tao; Li, Wenzhu; Luo, Hui

doi:10.1039/c4ra07364a

Cited by 8 publications

(3 citation statements)

References 49 publications

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“…All of them are constructed by sulfates, and thus the influence of the anion can be neglected. Compared with the syntheses and structures of 1 – 3 , it could be indicated that the dosage of structure-directing agents as well as the temperature play remarkable roles in the formation of zinc diphosphonates. , Compound 1 shows a 1D double chain constructed from Zn centers, HEDP ligands, and H 2 BAPEN molecules, in which HEDP displays two kinds of μ 3 -connection modes. The neighboring Zn···Zn distance separated by μ 3 -HEDP is 3.903(9) to 6.028(2) Å.…”

Section: Results and Discussionmentioning

confidence: 99%

Switching the Zinc Diphosphonates from 1D Chain to 2D Layer and 3D Framework by the Modulation of a Flexible Organic Amine

Pan

Han

et al. 2019

Crystal Growth & Design

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A series of s mediated by a long and flexible amine 1,2-bis(3-aminopropylamino)ethane (BAPEN), were successfully assembled, showing diverse structures with different dimensions. Compound 1 displays an infinite Zn-HEDP chain that is decorated by chelating BAPEN. Compound 2 possesses an anionic Zn-HEDP layer structure with the protonated BAPEN as a charge balancer. Compound 3 features a 3D Zn-HEDP network with protonated BAPEN as the template. The structural diversity for 1−3 from 1D to 2D and 3D was modulated by BAPEN in the assembly process (coordination role for 1 and template role for 2 and 3) together with the different reaction conditions. The photoluminescence properties of compounds 1−3 are investigated. The results show that the solids 1−3 exhibit intense blue fluorescence at ambient temperature under UV light irradiation. Moreover, the proton conduction behavior for compound 3 has been studied.

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Section: Results and Discussionmentioning

confidence: 99%

Switching the Zinc Diphosphonates from 1D Chain to 2D Layer and 3D Framework by the Modulation of a Flexible Organic Amine

Pan

Han

et al. 2019

Crystal Growth & Design

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“…Organic crystals have been investigated widely for several decades on account of their potential applications in luminescent materials, − photoelectric transformation, photothermal conversion, − biological imaging, , and pharmaceutical preparations. , Particularly, the increasingly maturity X-ray diffraction (XRD) technology enables people to have intimate knowledge about crystals, so as to better gain certain functional materials through crystal design. Moreover, cocrystal molecules obtained through simple self-assembly often have some specific properties that monomolecular crystals do not have. − In particular, some systems with strong intermolecular charge transfer (CT) between the electron donor and electron acceptor in solution have been studied and reported a lot. − However, the electronic interactions between the donor and acceptor for the cocrystals are not deeply explored.…”

Section: Introductionmentioning

confidence: 99%

Insight into Intermolecular Charge Transfer Determined by Two Packing Mode Cocrystals

Sun

Pang

et al. 2020

J. Phys. Chem. C

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Cocrystal molecules obtained through simple self-assembly of small organic molecules often have unique properties that monomolecular crystals do not have. However, it is not easy to purposefully construct a series of cocrystals with specific functions. Moreover, the structures and dynamics of cocrystals are still riddles on account of the initial stage of cocrystal development. In this work, two electron donors (hexamethylbenzene and 1,3,5-trimethoxybenzene) are selected to govern the degree of charge transfer (CT) between the donor and acceptor (pyromellitic dianhydride), which may help obtain two light-emitting materials. In comparison with the monocomponent crystals, the emitting wavelengths of these cocrystals redshift from the ultraviolet range to visible region. It is worth noting that the intermolecular CT of these cocrystal materials is probed by femtosecond transient absorption (fs-TA) spectrometry. The relationship between the characteristics of emission and the stacking patterns of two specific cocrystals has been explored by fs-TA and density functional theory simulation. This work established the foundation to trace the excited-state evolution channels of the organic cocrystal materials.

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“…Continuous efforts have been made for synthesis of metal phosphonates, as one can expect a variety of interesting structures by multiple coordination sites and possible functionalities. Even though few organophosphonate structures are reported, − the investigations of amine-templated metal organaphosphonates are just beginning, which may evolve into a rich structural variety. − We have taken 1-hydroxyethane-1,1-diphosphonic acid (hedpH4) as the diphosphonate ligand to build a new family of open-framework structures with templated aliphatic amines. Our efforts yielded two new two-dimensional layer structures and one three-dimensional structure, namely, [H2DAP][Zn 6 (Hhedp) 2 (hedp) 2 ]·4H 2 O, I , [H2DAB][Zn 6 (Hhedp) 2 (hedp) 2 ]·4H 2 O, II , and [H2DAB][Zn 3 (hedp) 2 ]·2H 2 O, III .…”

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confidence: 99%

Rare Examples of Amine-Templated Organophosphonate Open-Framework Compounds: Combined Role of Metal and Amine for Structure Building

Paul

Kanagaraj

Pant

et al. 2017

Crystal Growth & Design

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By introduction of 2-methyl-1,5-diaminopentane (DAP) and 1,4-diaminobutane (DAB) as templated ions, three new amine-templated organophosphonate open-framework compounds [H2DAP][Zn 6 (Hhedp) 2 (hedp) 2 ]•4H 2 O, I, [H2DAB]-[Zn 6 (Hhedp) 2 (hedp) 2 ]•4H 2 O, II, and [H2DAB][Zn 3 (hedp) 2 ]•2H 2 O, III, have been synthesized, structurally analyzed, and characterized for the first time. Both compounds I and II have analogous 2-D sheet structure connecting through metal and diphosphonates (1-hydroxyethane-1,1-diphosphonic acid), while the templated amines are different in the framework. Compound III consists of Zn ions and diphosphonate ligands with templated DAB, forming three-dimensional framework with interconnected 4-T, 8-T, and 12-T ring channels. To the best of our knowledge, such structural modifications with coordination variation of metal ions applying the same amine have never been reported in the organophosphonate family. The presence of mixed metal as well as different aliphatic amines plays a crucial role for the structure directing in open-framework compounds, which is noteworthy.

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Two novel oxovanadium–organophosphonate hybrids with a 3D supramolecular structure: synthesis, crystal structures, surface photovoltage and luminescent properties

Abstract: Two novel oxovanadium–organophosphonates with a 3D supramolecular structure, [{M(1,10–phen)}(VO)(OH)(hedp)]·H2O (M = Cu (1), Zn (2)), have been hydrothermally synthesized. The surface photovoltage and luminescent properties of the two compounds have been studied.

Cited by 8 publications

References 49 publications

Switching the Zinc Diphosphonates from 1D Chain to 2D Layer and 3D Framework by the Modulation of a Flexible Organic Amine

Switching the Zinc Diphosphonates from 1D Chain to 2D Layer and 3D Framework by the Modulation of a Flexible Organic Amine

Insight into Intermolecular Charge Transfer Determined by Two Packing Mode Cocrystals

Rare Examples of Amine-Templated Organophosphonate Open-Framework Compounds: Combined Role of Metal and Amine for Structure Building

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