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Guo XY, Wang XJ, Liu Z, Liu YY, Liu J, Niu YY. Two supramolecular compounds constructed by polyacid anion clusters: Synthesis, characterization and performance research. MAIN GROUP CHEMISTRY 2021. [DOI: 10.3233/mgc-210082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In this paper, two novel organic-inorganic hybrid supramolecule compounds {[Cu·L1’·H2O]·(α-Mo8O26)0.5}n 1 and compound {[Cu·L2’·H2O]·(α-Mo8O26)0.5}n 2 have been synthesized [L1’ = 1, 3-bis (4-carboxylpyridine) propane dibromide, L2’ = 1, 4-bis (4-carboxylpyridine) butane dibromide]. Compounds 1 and 2 have been expressly confirmed by PXRD, IR, X-ray single crystal diffraction and TG. Last, the study found that compounds 1 and 2 have obvious adsorption effects on MB and RhB organic dyes, and compound 2 has high adsorption capacity for MB.
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Affiliation(s)
- Xiao-Yu Guo
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Xiao-Jia Wang
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Zhe Liu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Yue-Yan Liu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Jie Liu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Yun-Yin Niu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
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Yang WH, Pei Y, Du HY, Xiao SH, Wu XJ, You ZW, Li YY, Wang XJ, Niu YY. Preparation and application of two novel supramolecular polyoxmetalates with adsorption of organic contaminants in wastewater. MAIN GROUP CHEMISTRY 2021. [DOI: 10.3233/mgc-210021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Two new supramolecular polyoxmetalates were synthesized from 1, 4-bis[4-nitrile-pyridine)-N-methylene]phenyldibromide (L1) and 1, 2-bis[4-nitrile-pyridine)-N-methylene]phenyldibromide (L2) and (NH4)6Mo7–O24·4H2O under hydrothermal conditions. They are named p-[C20H18N2O4][Mo8O26] 0.5·H2O (1) and o-[C20H18N2O4][Mo8O26] ċ 0.5·H2O (2) respectively. The structures have been confirmed through single-crystal X-ray diffraction analyses and further characterized by elemental analyses, IR spectra. The adsorption test of compound 1 and compound 2 in organic dyes were carried out. It was found that compound 1 had a good adsorption effect on methylene blue (MB) and rhodamine B (RhB). The adsorption effect of compound 2 on MB is stronger than that of compound 1.
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Affiliation(s)
- Wen-Hao Yang
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Ying Pei
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Hao-Yu Du
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Shang-Hao Xiao
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Xiu-Jun Wu
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Ze-Wei You
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Yuan-Yuan Li
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Xiao-Jia Wang
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
| | - Yun-Yin Niu
- Green Catalysis Center, and College of Chemistry Zhengzhou University, Henan, P. R. China
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Singh Tanwar LK, Sharma S, Ghosh KK. Spectroscopic detection of Hg2+ in water samples using fluorescent carbon quantum dots as sensing probe. MAIN GROUP CHEMISTRY 2021. [DOI: 10.3233/mgc-183967] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Mercury (Hg2+) is remarked as toxic and hazardous element to global environment. Here, carbon quantum dots (CQDs) were synthesized by simple microwave assisted technique for Hg2+ detection in water samples via. fluorescence quenching and FT-IR spectroscopic approach. The morphology and chemical structure of synthesized CQDs was investigated by TEM, FT-IR, 13C-NMR, fluorescence and UV-vis spectroscopic technique. The resultant CQDs bears spherical morphology with an average size of 2–4 nm. The binding parameters, as Stern-Volmer quenching constant (Ksv) and binding constant for CQDs-Hg system was investigated by fluorescence method, whereas UV-vis techniques was employed for determination of thermodynamic parameters, as Gibb’s free energy (ΔG), enthalpy (ΔH) and entropy (ΔS) at three different temperature (295, 298 and 305 K). Moreover, selectivity assay for Hg2+ detection has been studied in presence of other metal ions by FT-IR as well as fluorescence spectroscopy. Analytical assay was also successfully applied for Hg2+ in spiked water samples collected from different areas of Chhattisgarh, with 98–99 recovery %. The detection of Hg2+ has been demonstrated in the range of 0 to 5.0μM with 3.25 nM detection limit. The present method is found to be simple, highly sensitive and selective for sensing of Hg2+ in aquatic environmental samples using CQDs as sensing probe.
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Affiliation(s)
| | - Srishti Sharma
- School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur (C.G.), India
| | - Kallol K. Ghosh
- School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur (C.G.), India
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Exploring the influence of metal ions/ligands ratio for the structure of polyoxometalate-based host-guest compounds, exhibiting different magnetic phenomena. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128566] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Wang XJ, Qiao XY, Niu YY. Synthesis, characterization, adsorption and catalytic activity of a polyoxometalate supramolecule templated by arylmethylamine. MAIN GROUP CHEMISTRY 2020. [DOI: 10.3233/mgc-190891] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A novel supramolecular compound 1 (C6H3) (CH2NH3)2+ (CH2NH2)]2· (β-Mo8O26)·3H2O was constructed under hydrothermal conditions by (NH4)6Mo7O24·4H2O and arylmethylamine cation L1. This compound 1 has been unambiguously characterized by PXRD, IR, and X-ray single crystal diffraction. What’ more, the compound 1 has features of adsorption and catalytic activity.
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Affiliation(s)
- Xiao-Jia Wang
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Xiu-Ying Qiao
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Yun-Yin Niu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
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Lu YQ. Self-assembly and photocatalytic property of a new inorganic-organic hybrid material based on 1,4-bis(4-pyridylthio)butane. MAIN GROUP CHEMISTRY 2020. [DOI: 10.3233/mgc-200905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A new hybrid compound consisting of 1,4-bis(4-pyridylthio)butane ([Bpytb]) ligand, namely {[Bpytb]Ag2I3}n (1), has been prepared and characterized by IR spectroscopy, solid UV-visible diffuse reflectance spectrum, X-ray Powder Diffraction (PXRD) and TG. Compound 1 consists of 1D anion chain structure. Crystal system: Monoclinic, Space group: P2/c, a = 4.5092(3), b = 11.1895(9), c = 21.3893(14), α= 90°, β= 92.907(2)°, γ= 90°, V = 1077.82(13) Å3, Z = 2, Dcalc = 2.693 g cm–3. The photocatalytic property of compound 1 was also studied and it exhibits a better degradation effect on organic dye MB.
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Affiliation(s)
- Yan-Qi Lu
- Department of Pharmacy, Zhengzhou Railway Vocational and Technical College, PR China
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Qiao GY, Huang WM, Li YY, Qiao XY, Zhu GH, Wu BL, Niu YY. Synthesis, structure and properties of two novel metallohelical compounds. MAIN GROUP CHEMISTRY 2020. [DOI: 10.3233/mgc-190887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Gui-Ying Qiao
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Wen-Ming Huang
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Yuan-Yuan Li
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Xiu-Ying Qiao
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Gai-Hong Zhu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Ben-Lai Wu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
| | - Yun-Yin Niu
- College of Chemistry, Zhengzhou University, Henan, P. R. China
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